TL2575, TL2575HV Datasheet by Texas Instruments

V'.‘ ‘F. B X E I TEXAS INSTRUMENTS
Internal
Regulator On/Off
_
+
_
+
1.23-V
Band-Gap
Reference
52-kHz
Oscillator Reset
Thermal
Shutdown
Current
Limit
FEEDBACK
4
CIN
+
VIN
1
Unregulated
DC Input
GND
3
OUTPUT
2
ON/OFF
5
COUT
+
D1
L
O
A
D
VOUT
1-A
Switch
Driver
Fixed-Gain
Error Amplifier
Comparator
R2
R1
1 kΩ
3.3 V: R2 = 1.7 kΩ
5 V: R2 = 3.1 kΩ
12 V: R2 = 8.84 kΩ
15 V: R2 = 11.3 kΩ
ADJ: R1 = Open, R2 = 0 Ω
L1
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TL2575
,
TL2575HV
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TL2575, TL2575HV 1-A Simple Step-Down Switching Voltage Regulators
1 Features 3 Description
The TL2575 and TL2575HV devices provide all the
1• Fixed 3.3-V, 5-V, 12-V, and 15-V Options with active functions needed for a step-down (buck)
±5% Regulation (Max) Over Line, Load, and switching regulator in an integrated circuit. They
Temperature Conditions require four to six external components for operation.
• Adjustable Option With a Range of 1.23 V to 37 V They accept a wide input-voltage range of up to 60 V
(57 V for HV Version) and ±4% Regulation (Max) (TL2575-HV) and are available in fixed output
Over Line, Load, and Temperature Conditions voltages of 3.3 V, 5 V, 12 V, 15 V, or an adjustable-
output version. The TL2575 and TL2575HV devices
• Specified 1-A Output Current have an integrated switch capable of delivering 1 A of
• Wide Input Voltage Range load current, with excellent line and load regulation.
– 4.75 V to 40 V (60 V for HV Version) The device also offers internal frequency
compensation, a fixed-frequency oscillator, cycle-by-
• Requires Only Four External Components (Fixed cycle current limiting, and thermal shutdown. In
Versions) and Uses Readily Available Standard addition, a manual shutdown is available via an
Inductors external ON/OFF pin.
• 52-kHz (Typ) Fixed-Frequency Internal Oscillator
• TTL Shutdown Capability With 50-μA (Typ) Device Information(1)
Standby Current PART NUMBER PACKAGE BODY SIZE (NOM)
• High Efficiency PDIP (16) 19.31 mm x 6.35 mm
– As High as 88% (Typ) TL2575, TL2575HV TO-263 (5) 10.16 mm x 8.93 mm
TO-220 (5) 10.16 mm x 8.82 mm
• Thermal Shutdown and Current-Limit Protection
with Cycle-by-Cycle Current Limiting (1) For all available packages, see the orderable addendum at
the end of the data sheet.
2 Applications
• Simple High-Efficiency Step-Down (Buck)
Regulators
• Pre-Regulators for Linear Regulators
• On-Card Switching Regulators
• Positive-to-Negative Converters (Buck-Boost)
4 Functional Block Diagram
Pin numbers are for the KTT (TO-263) package.
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
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,
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Table of Contents
9.1 Overview ................................................................. 11
1 Features.................................................................. 19.2 Functional Block Diagram ....................................... 11
2 Applications ........................................................... 19.3 Feature Description................................................. 12
3 Description ............................................................. 19.4 Device Functional Modes........................................ 12
4 Functional Block Diagram .................................... 110 Application and Implementation........................ 13
5 Revision History..................................................... 210.1 Typical Application ............................................... 13
6 Pin Configuration and Functions......................... 311 Power Supply Recommendations ..................... 20
7 Specifications......................................................... 412 Layout................................................................... 20
7.1 Absolute Maximum Ratings ..................................... 412.1 Layout Guidelines ................................................. 20
7.2 Handling Ratings ...................................................... 412.2 Layout Example .................................................... 20
7.3 Recommended Operating Conditions....................... 413 Device and Documentation Support ................. 21
7.4 Thermal Information.................................................. 413.1 Related Links ........................................................ 21
7.5 Electrical Characteristics — TL2575........................ 513.2 Trademarks........................................................... 21
7.6 Electrical Characteristics — TL2575HV................... 613.3 Electrostatic Discharge Caution............................ 21
7.7 Typical Characteristics.............................................. 713.4 Glossary................................................................ 21
8 Parameter Measurement Information ................ 10 14 Mechanical, Packaging, and Orderable
8.1 Test Circuits ............................................................ 10 Information ........................................................... 22
9 Detailed Description............................................ 11
5 Revision History
Changes from Revision B (January 2007) to Revision C Page
• Updated document to new TI data sheet format.................................................................................................................... 1
• Deleted Ordering Information table. ....................................................................................................................................... 1
• Added Pin Functions table...................................................................................................................................................... 3
• Added Handling Ratings table................................................................................................................................................ 4
• Changed Thermal Information table....................................................................................................................................... 4
• Added Detailed Description section. .................................................................................................................................... 11
• Added Application and Implementation section.................................................................................................................... 13
• Added Power Supply Recommendations and Layout sections............................................................................................ 20
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l TEXAS INSTRUMENTS N (PDIP) PACKAGE U \_n_n_n_n_n_n_. ], FF NC * No mlema‘ Connedion KV (TD-220 STAGGERED LEADS) PACKAGE (SIDE VIEW) Fms 2, 4
GND
ON/OFF
FEEDBACK
GND
OUTPUT
VIN
1
2
3
4
5
KV (TO-220 STAGGERED LEADS) PACKAGE
(TOP VIEW) (SIDE VIEW)
Pins 1, 3, 5 Pins 2, 4
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
NC
NC
OUTPUT
NC
GND
NC
FEEDBACK
NC
VIN
NC
NC
GND
GND
NC
NC
ON/OFF
N (PDIP) PACKAGE
(TOP VIEW)
NC − No internal connection
KTT (TO-263) PACKAGE
(TOP VIEW)
1
2
3
4
5
GND
ON/OFF
FEEDBACK
GND
OUTPUT
VIN
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TL2575HV
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6 Pin Configuration and Functions
Pin Functions
PIN
TYPE DESCRIPTION
KTT N KV
NAME TO-263 PDIP TO-220
Feedback pin. Connect to VOUT for fixed-voltage TL2575.
FEEDBACK 4 7 4 Input Connect between two adjustment resistors for adjustable-
voltage TL2575.
5
GND 3 12 3 — Ground
13
1
2
4
6
NC — 8 — — No connect
10
11
14
15
ON/OFF 5 9 5 Input Manual shutdown pin
OUTPUT 2 3 2 Output Output pin
VIN 1 16 1 Input Supply input pin
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7 Specifications
7.1 Absolute Maximum Ratings(1)
over operating free-air temperature range (unless otherwise noted)
MIN MAX UNIT
TL2575HV 60
VIN Supply voltage V
TL2575 42
ON/OFF input voltage range –0.3 VIN V
Output voltage to GND (steady state) –1 V
TJMaximum junction temperature 150 °C
(1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating
Conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
7.2 Handling Ratings
MIN MAX UNIT
Tstg Storage temperature range –65 150 °C
Human body model (HBM), per ANSI/ESDA/JEDEC JS-001, all 0 2000
pins(1)
V(ESD) Electrostatic discharge V
Charged device model (CDM), per JEDEC specification 0 1000
JESD22-C101, all pins(2)
(1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.
(2) JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.
7.3 Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
MIN MAX UNIT
TL2575HV 4.75 60
VIN Supply voltage V
TL2575 4.75 40
TJOperating virtual junction temperature –40 125 °C
7.4 Thermal Information
KTT KV N
THERMAL METRIC(1) UNIT
5 PINS 5 PINS 16 PINS
RθJA Junction-to-ambient thermal resistance 26.5 26.5 67
RθJC(top) Junction-to-case (top) thermal resistance 31.8 31.8 57 °C/W
RθJC(bot) Junction-to-case (bottom) thermal resistance 0.38 0.38 —
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report (SPRA953).
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7.5 Electrical Characteristics — TL2575
ILOAD = 200 mA, VIN = 12 V for 3.3-V, 5-V, and adjustable versions, VIN = 25 V for 12-V version, VIN = 30 V for 15-V version
(unless otherwise noted) (see Figure 11)
TL2575
PARAMETER TEST CONDITIONS TJUNIT
MIN TYP MAX
VIN = 12 V, ILOAD = 0.2 A 25°C 3.234 3.3 3.366
TL2575-33 25°C 3.168 3.3 3.432
4.75 V ≤VIN ≤40 V,
0.2 A ≤ILOAD ≤1 A Full range 3.135 3.465
VIN = 12 V, ILOAD = 0.2 A 25°C 4.9 5 5.1
TL2575-05 25°C 4.8 5 5.2
8 V ≤VIN ≤40 V,
0.2 A ≤ILOAD ≤1 A Full range 4.75 5.25
VOUT Output voltage V
VIN = 25 V, ILOAD = 0.2 A 25°C 11.76 12 12.24
TL2575-12 25°C 11.52 12 12.48
15 V ≤VIN ≤40 V,
0.2 A ≤ILOAD ≤1 A Full range 11.4 12.6
VIN = 30 V, ILOAD = 0.2 A 25°C 14.7 15 15.3
TL2575-15 25°C 14.4 15 15.6
18 V ≤VIN ≤40 V,
0.2 A ≤ILOAD ≤1 A Full range 14.25 15 15.75
VIN = 12 V, VOUT = 5 V, 25°C 1.217 1.23 1.243
ILOAD = 0.2 A
Feedback voltage TL2575-ADJ V
25°C 1.193 1.23 1.267
8 V ≤VIN ≤40 V, VOUT = 5 V,
0.2 A ≤ILOAD ≤1 A Full range 1.18 1.28
TL2575-33 VIN = 12 V, ILOAD = 1 A 75%
TL2575-05 VIN = 12 V, ILOAD = 1 A 77%
TL2575-12 VIN = 15 V, ILOAD = 1 A 88%
ηEfficiency 25°C
TL2575-15 VIN = 18 V, ILOAD = 1 A 88%
VIN = 12 V, VOUT = 5 V,
TL2575-ADJ 77%
ILOAD = 1 A
25°C 50 100
IIB Feedback bias current VOUT = 5 V (ADJ version only) nA
Full range 500
25°C 47 52 58
foOscillator frequency(1) kHz
Full range 42 63
25°C 0.9 1.2
VSAT Saturation voltage IOUT = 1 A(2) V
Full range 1.4
Maximum duty cycle(3) 25°C 93% 98%
25°C 1.7 2.8 3.6
ICL Switch peak current(1)(2) A
Full range 1.3 4
VIN = 40(4), Output = 0 V 2
ILOutput leakage current 25°C mA
VIN = 40(4), Output = –1 V 7.5 30
IQQuiescent current(4) 25°C 5 10 mA
ISTBY Standby quiescent current OFF (ON/OFF = 5 V) 25°C 50 200 μA
(1) In the event of an output short or an overload condition, self-protection features lower the oscillator frequency to ≈18 kHz and the
minimum duty cycle from 5% to ≈2%. The resulting output voltage drops to ≈40% of its nominal value, causing the average power
dissipated by the IC to lower.
(2) Output is not connected to diode, inductor, or capacitor. Output is sourcing current.
(3) FEEDBACK is disconnected from output and connected to 0 V.
(4) To force the output transistor off, FEEDBACK is disconnected from output and connected to 12 V for the adjustable, 3.3-V, and 5-V
versions and to 25 V for the 12-V and 15-V versions.
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Electrical Characteristics — TL2575 (continued)
ILOAD = 200 mA, VIN = 12 V for 3.3-V, 5-V, and adjustable versions, VIN = 25 V for 12-V version, VIN = 30 V for 15-V version
(unless otherwise noted) (see Figure 11)
TL2575
PARAMETER TEST CONDITIONS TJUNIT
MIN TYP MAX
25°C 2.2 1.4
ON/OFF high-level logic
VIH OFF (VOUT = 0 V) V
input voltage Full range 2.4
25°C 1.2 1
ON/OFF low-level logic
VIL ON (VOUT = nominal voltage) V
input voltage Full range 0.8
IIH ON/OFF high-level input current OFF (ON/OFF = 5 V) 25°C 12 30 μA
IIL ON/OFF low-level input current ON (ON/OFF = 0 V) 25°C 0 10 μA
7.6 Electrical Characteristics — TL2575HV
ILOAD = 200 mA, VIN = 12 V for 3.3-V, 5-V, and adjustable versions, VIN = 25 V for 12-V version, VIN = 30 V for 15-V version
(unless otherwise noted) (see Figure 11)
TL2575HV
PARAMETER TEST CONDITIONS TJUNIT
MIN TYP MAX
VIN = 12 V, ILOAD = 0.2 A 25°C 3.234 3.3 3.366
TL2575HV-33 25°C 3.168 3.3 3.450
4.75 V ≤VIN ≤60 V,
0.2 A ≤ILOAD ≤1 A Full range 3.135 3.482
VIN = 12 V, ILOAD = 0.2 A 25°C 4.9 5 5.1
TL2575HV-05 25°C 4.8 5 5.225
8 V ≤VIN ≤60 V,
0.2 A ≤ILOAD ≤1 A Full range 4.75 5.275
VOUT Output voltage V
VIN = 25 V, ILOAD = 0.2 A 25°C 11.76 12 12.24
TL2575HV-12 25°C 11.52 12 12.54
15 V ≤VIN ≤60 V,
0.2 A ≤ILOAD ≤1 A Full range 11.4 12.66
VIN = 30 V, ILOAD = 0.2 A 25°C 14.7 15 15.3
TL2575HV-15 25°C 14.4 15 15.68
18 V ≤VIN ≤60 V,
0.2 A ≤ILOAD ≤1 A Full range 14.25 15 15.83
VIN = 12 V, VOUT = 5 V, 25°C 1.217 1.23 1.243
ILOAD = 0.2 A
Feedback voltage TL2575HV-ADJ V
25°C 1.193 1.23 1.273
8 V ≤VIN ≤60 V, VOUT = 5 V,
0.2 A ≤ILOAD ≤1 A Full range 1.180 1.286
TL2575HV-33 VIN = 12 V, ILOAD = 1 A 75%
TL2575HV-05 VIN = 12 V, ILOAD = 1 A 77%
TL2575HV-12 VIN = 15 V, ILOAD = 1 A 88%
ηEfficiency 25°C
TL2575HV-15 VIN = 18 V, ILOAD = 1 A 88%
VIN = 12 V, VOUT = 5 V,
TL2575HV-ADJ 77%
ILOAD = 1 A
25°C 50 100
IIB Feedback bias current VOUT = 5 V (ADJ version only) nA
Full range 500
25°C 47 52 58
foOscillator frequency(1) kHz
Full range 42 63
25°C 0.9 1.2
VSAT Saturation voltage IOUT = 1 A(2) V
Full range 1.4
Maximum duty cycle(3) 25°C 93% 98%
(1) In the event of an output short or an overload condition, self-protection features lower the oscillator frequency to ≈18 kHz and the
minimum duty cycle from 5% to ≈2%. The resulting output voltage drops to ≈40% of its nominal value, causing the average power
dissipated by the IC to lower.
(2) Output is not connected to diode, inductor, or capacitor. Output is sourcing current.
(3) FEEDBACK is disconnected from output and connected to 0 V.
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ILOAD = 200 mA
TJ= 25°C
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
-50 -25 0 25 50 75 100 125 150
TA– Temperature – °C
Output Voltage Change – %
VIN = 20 V
ILOAD = 200 mA
TJ= 25°C
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Electrical Characteristics — TL2575HV (continued)
ILOAD = 200 mA, VIN = 12 V for 3.3-V, 5-V, and adjustable versions, VIN = 25 V for 12-V version, VIN = 30 V for 15-V version
(unless otherwise noted) (see Figure 11)
TL2575HV
PARAMETER TEST CONDITIONS TJUNIT
MIN TYP MAX
25°C 1.7 2.8 3.6
ICL Switch peak current(1) (2) A
Full range 1.3 4
VIN = 60(4), Output = 0 V 2
ILOutput leakage current 25°C mA
VIN = 60(4), Output = –1 V 7.5 30
IQQuiescent current(4) 25°C 5 10 mA
ISTBY Standby quiescent current OFF (ON/OFF = 5 V) 25°C 50 200 μA
25°C 2.2 1.4
ON/OFF high-level logic
VIH OFF (VOUT = 0 V) V
input voltage Full range 2.4
25°C 1.2 1
VIL ON/OFF low-level logic input voltage ON (VOUT = nominal voltage) V
Full range 0.8
IIH ON/OFF high-level input current OFF (ON/OFF = 5 V) 12 30 μA
25°C
IIL ON/OFF low-level input current ON (ON/OFF = 0 V) 0 10 μA
(4) To force the output transistor off, FEEDBACK is disconnected from output and connected to 12 V for the adjustable, 3.3-V, and 5-V
versions and to 25 V for the 12-V and 15-V versions.
7.7 Typical Characteristics
Figure 1. Normalized Output Voltage Figure 2. Line Regulation
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-10
-8
-6
-4
-2
0
2
4
6
8
10
-50 -25 0 25 50 75 100 125 150
TJ– Junction Temperature – °C
fNORM – Normalized Frequency – %
VIN = 40 V
VIN = 12 V
Normalized at TJ= 25°C
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
1.2
0 0.2 0.4 0.6 0.8 1
ISW – Switch Current – A
VSAT – Saturation Voltage – V
TJ= –40°C
TJ= 25°C
TJ= 125°C
0
2
4
6
8
10
12
14
16
18
20
0 10 20 30 40 50 60
VIN – Input Voltage – V
IQ– Quiescent Current – mA
VOUT = 5 V
TJ= 25°C
Measured at GND pin
ILOAD = 1 A
ILOAD = 0.2 A
0
50
100
150
200
250
300
350
400
450
500
-50 -25 0 25 50 75 100 125 150
TJ– Junction Temperature – °C
ISTBY – Standby Quiescent Current – µA
VIN = 40 V
VIN = 12 V
V = 5 V
ON/OFF
0
0.25
0.5
0.75
1
1.25
1.5
1.75
2
-40 -25 -10 5 20 35 50 65 80 95 110 125
TJ– Junction Temperature – °C
Input-Output Differential – V
D
W
V = 5%
R = 0.2
OUT
IND
I = 1 A
LOAD
I = 200 mA
LOAD
0
0.5
1
1.5
2
2.5
3
-50 -25 0 25 50 75 100 125 150
TJ– Junction Temperature – °C
IO– Output Current – A
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,
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Typical Characteristics (continued)
Figure 4. Current Limit
Figure 3. Dropout Voltage
Figure 5. Quiescent Current Figure 6. Standby Quiescent Current
Figure 8. Switch Saturation Voltage
Figure 7. Oscillator Frequency
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-50
-40
-30
-20
-10
0
10
20
30
40
50
60
70
80
90
100
-50 -25 0 25 50 75 100 125 150
TJ– Junction Temperature – °C
IIB – Feedback Bias Current – nA
Adjustable version only
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
-50 -25 0 25 50 75 100 125 150
TJ– Junction Temperature – °C
VIN – Input Voltage – V
Adjustable version only
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Typical Characteristics (continued)
Figure 9. Minimum Operating Voltage Figure 10. FEEDBACK Current
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i TEXAS INSTRUMENTS VIN runn Vm R2: 6.12 m
TL2575-xx
Fixed Output
CIN
100 µF
+
+VIN
1
3 GND 5 D1
2
L1
330 µH
COUT
330 µF
+
4
L
O
A
D
VOUT
VIN
Unregulated
DC Input
CIN = 100 µF, Aluminum Electrolytic
COUT = 330 µF, Aluminum Electrolytic
D1 = Schottky
L1 = 330 µH (for 5-V VIN with 3.3-V VOUT
, use 100 H)
Fixed-Output Voltage
TL2575
(ADJ)
CIN
100 µF
+
+VIN
1
3 GND 5 ON/OFF D1
11DQ06
OUTPUT
2
L1
330 µH
COUT
330 µF
+
FEEDBACK
4
L
O
A
D
VOUT
7-V to 40-V
Unregulated
DC Input
Adjustable-Output Voltage
VOUT = VREF (1 + R2 / R1) = 5 V
VREF = 1.23 V
R1 = 2 kΩ
R2 = 6.12 kΩ
R2
R1
ON/OFF
OUTPUT
FEEDBACK
µ
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8 Parameter Measurement Information
8.1 Test Circuits
Pin numbers are for the KTT (TO-263) package.
Figure 11. Test Circuits and Layout Guidelines
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l TEXAS INSTRUMENTS T VOUT ADJ: R1 =0pen, R2: 051
Internal
Regulator On/Off
_
+
_
+
1.23-V
Band-Gap
Reference
52-kHz
Oscillator Reset
Thermal
Shutdown
Current
Limit
FEEDBACK
4
CIN
+
VIN
1
Unregulated
DC Input
GND
3
OUTPUT
2
ON/OFF
5
COUT
+
D1
L
O
A
D
VOUT
1-A
Switch
Driver
Fixed-Gain
Error Amplifier
Comparator
R2
R1
1 kΩ
3.3 V: R2 = 1.7 kΩ
5 V: R2 = 3.1 kΩ
12 V: R2 = 8.84 kΩ
15 V: R2 = 11.3 kΩ
ADJ: R1 = Open, R2 = 0 Ω
L1
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9 Detailed Description
9.1 Overview
The TL2575 and TL2575HV devices greatly simplify the design of switching power supplies by conveniently
providing all the active functions needed for a step-down (buck) switching regulator in an integrated circuit.
Accepting a wide input-voltage range of up to 60 V (TL2575-HV) and available in fixed output voltages of 3.3 V, 5
V, 12 V, 15 V, or an adjustable-output version, the TL2575 and TL2575HV devices have an integrated switch
capable of delivering 1 A of load current, with excellent line and load regulation. The device also offers internal
frequency compensation, a fixed-frequency oscillator, cycle-by-cycle current limiting, and thermal shutdown. In
addition, a manual shutdown is available via an external ON/OFF pin.
The TL2575 and TL2575HV devices represent superior alternatives to popular three-terminal linear regulators.
Due to their high efficiency, the devices significantly reduce the size of the heatsink and, in many cases, no
heatsink is required. Optimized for use with standard series of inductors available from several different
manufacturers, the TL2575 and TL2575HV greatly simplify the design of switch-mode power supplies by
requiring a minimal addition of only four to six external components for operation.
The TL2575 and TL2575HV devices are characterized for operation over the virtual junction temperature range
of –40°C to 125°C.
9.2 Functional Block Diagram
Pin numbers are for the KTT (TO-263) package.
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9.3 Feature Description
9.3.1 Feedback Connection
For fixed-voltage options, FEEDBACK must be wired to VOUT. For the adjustable version, FEEDBACK must be
connected between the two programming resistors. Again, both of these resistors should be in close proximity to
the regulator, and each should be less than 100 kΩto minimize noise pickup.
9.3.2 ON/OFF Input
ON/OFF should be grounded or be a low-level TTL voltage (typically < 1.6 V) for normal operation. To shut down
the TL2575 or TL2575HV devices and place in standby mode, a high-level TTL or CMOS voltage should be
supplied to this pin. ON/OFF should not be left open and safely can be pulled up to VIN with or without a pullup
resistor.
9.4 Device Functional Modes
9.4.1 Standby Mode
When a high-level TTL or CMOS voltage is applied to the ON/OFF pin, the device enters standby mode, drawing
a typical quiescent current of 50 µA.
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l TEXAS INSTRUMENTS u DClnput ‘ 2 3 GND 5 (TN/OFF “ Cm I mm: 330 HH DI 1N5315 52 |_________ ___l
TL2575-05
7-V to 40-V
Unregulated
DC Input
CIN
100 µF
+
+VIN
1
3 GND 5 ON/OFF
D1
1N5819
OUTPUT
2
L1
330 µH
COUT
330 µF
+
FEEDBACK
4
5-V
Regulated
Output
1-A Load
L2
20 µH
C1
100 µF
+
Optional Output Ripple Filter
TL2575
,
TL2575HV
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SLVS638C –JANUARY 2006–REVISED NOVEMBER 2014
10 Application and Implementation
NOTE
Information in the following applications sections is not part of the TI component
specification, and TI does not warrant its accuracy or completeness. TI’s customers are
responsible for determining suitability of components for their purposes. Customers should
validate and test their design implementation to confirm system functionality.
10.1 Typical Application
Pin numbers are for the KTT (TO-263) package.
Figure 12. Typical Application Circuit (Fixed Version)
10.1.1 Design Requirements
• Input capacitor for stability
• Output capacitor for loop stability and ripple filtering
• Catch diode to filter noise
• Output inductor depending on the mode of operation
10.1.2 Detailed Design Procedure
10.1.2.1 Input Capacitor (CIN)
For stability concerns, an input bypass capacitor (electrolytic, CIN ≥47 μF) needs to be located as close as
possible to the regulator. For operating temperatures below –25°C, CIN may need to be larger in value. In
addition, since most electrolytic capacitors have decreasing capacitances and increasing ESR as temperature
drops, adding a ceramic or solid tantalum capacitor in parallel increases the stability in cold temperatures.
To extend the capacitor operating lifetime, the capacitor RMS ripple current rating should be calculated as shown
in Equation 1.
IC,RMS > 1.2 (ton / T) ILOAD
where
• ton/T = VOUT/VIN {buck regulator}
• ton/T = |VOUT|/(|VOUT| + VIN) {buck-boost regulator} (1)
10.1.2.2 Output Capacitor (COUT)
For both loop stability and filtering of ripple voltage, an output capacitor is required, again in close proximity to
the regulator. For best performance, low-ESR aluminum electrolytics are recommended, although standard
aluminum electrolytics may be adequate for some applications as shown in Equation 2.
Output ripple voltage = (ESR of COUT) × (inductor ripple current) (2)
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Typical Application (continued)
Output ripple of 50 mV to 150 mV typically can be achieved with capacitor values of 220 μF to 680 μF. Larger
COUT can reduce the ripple 20 mV to 50 mV peak to peak. To improve further on output ripple, paralleling of
standard electrolytic capacitors may be used. Alternatively, higher-grade capacitors such as high frequency, low
inductance, or low ESR can be used.
The following should be taken into account when selecting COUT:
• At cold temperatures, the ESR of the electrolytic capacitors can rise dramatically (typically 3× nominal value
at –25°C). Because solid-tantalum capacitors have significantly better ESR specifications at cold
temperatures, they should be used at operating temperature lower than –25°C. As an alternative, tantalums
can also be paralleled to aluminum electrolytics and should contribute 10% to 20% to the total capacitance.
• Low ESR for COUT is desirable for low output ripple. However, the ESR should be greater than 0.05 Ωto
avoid the possibility of regulator instability. Hence, a sole tantalum capacitor used for COUT is most
susceptible to this occurrence.
• The ripple current rating of the capacitor, 52 kHz, should be at least 50% higher than the peak-to-peak
inductor ripple current.
10.1.2.3 Catch Diode
As with other external components, the catch diode should be placed close to the output to minimize unwanted
noise. Schottky diodes have fast switching speeds and low forward voltage drops and, thus, offer the best
performance, especially for switching regulators with low output voltages (VOUT < 5 V). If a high-efficiency, fast-
recovery, or ultra-fast-recovery diode is used in place of a Schottky, it should have a soft recovery (versus abrupt
turn-off characteristics) to avoid the chance of causing instability and EMI. Standard 50- to 60-Hz diodes, such as
the 1N4001 or 1N5400 series, are not suitable.
10.1.2.4 Inductor
Proper inductor selection is key to the performance-switching power-supply designs. One important factor to
consider is whether the regulator is used in continuous mode (inductor current flows continuously and never
drops to zero) or in discontinuous mode (inductor current goes to zero during the normal switching cycle). Each
mode has distinctively different operating characteristics and, therefore, can affect the regulator performance and
requirements. In many applications, the continuous mode is the preferred mode of operation, since it offers
greater output power with lower peak currents, and also can result in lower output ripple voltage. The advantages
of continuous mode of operation come at the expense of a larger inductor required to keep inductor current
continuous, especially at low output currents and/or high input voltages.
The TL2575 and TL2575HV devices can operate in either continuous or discontinuous mode. With heavy load
currents, the inductor current flows continuously and the regulator operates in continuous mode. Under light load,
the inductor fully discharges and the regulator is forced into the discontinuous mode of operation. For light loads
(approximately 200 mA or less), this discontinuous mode of operation is perfectly acceptable and may be
desirable solely to keep the inductor value and size small. Any buck regulator eventually operates in
discontinuous mode when the load current is light enough.
The type of inductor chosen can have advantages and disadvantages. If high performance or high quality is a
concern, then more-expensive toroid core inductors are the best choice, as the magnetic flux is contained
completely within the core, resulting in less EMI and noise in nearby sensitive circuits. Inexpensive bobbin core
inductors, however, generate more EMI as the open core does not confine the flux within the core. Multiple
switching regulators located in proximity to each other are particularly susceptible to mutual coupling of magnetic
fluxes from each other’s open cores. In these situations, closed magnetic structures (such as a toroid, pot core,
or E-core) are more appropriate.
Regardless of the type and value of inductor used, the inductor never should carry more than its rated current.
Doing so may cause the inductor to saturate, in which case the inductance quickly drops, and the inductor looks
like a low-value resistor (from the dc resistance of the windings). As a result, switching current rises dramatically
(until limited by the current-by-current limiting feature of the TL2575 and TL2575HV devices) and can result in
overheating of the inductor and the IC itself.
NOTE
Different types of inductors have different saturation characteristics.
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Typical Application (continued)
10.1.2.5 Output Voltage Ripple and Transients
As with any switching power supply, the output of the TL2575 and TL2575HV devices have a sawtooth ripple
voltage at the switching frequency. Typically about 1% of the output voltage, this ripple is due mainly to the
inductor sawtooth ripple current and the ESR of the output capacitor (see Output Capacitor (COUT)). Furthermore,
the output also may contain small voltage spikes at the peaks of the sawtooth waveform. This is due to the fast
switching of the output switch and the parasitic inductance of COUT. These voltage spikes can be minimized
through the use of low-inductance capacitors.
There are several ways to reduce the output ripple voltage: a larger inductor, a larger COUT, or both. Another
method is to use a small LC filter (20 μH and 100 μF) at the output. This filter can reduce the output ripple
voltage by a factor of 10 (see Figure 11).
10.1.2.6 Grounding
The power and ground connections of the TL2575 and TL2575HV devices must be low impedance to help
maintain output stability. For the 5-pin packages, both pin 3 and tab are ground, and either connection can be
used as they are both part of the same lead frame. With the 16-pin package, all the ground pins (including signal
and power grounds) should be soldered directly to wide PCB copper traces to ensure low-inductance
connections and good thermal dissipation.
10.1.2.7 Reverse Current Considerations
There is an internal diode from the output to VIN. Therefore, the device does not protect against reverse current
and care must be taken to limit current in this scenario.
10.1.2.8 Buck Regulator Design Procedure
PROCEDURE (Fixed Output) EXAMPLE (Fixed Output)
Known: Known:
VOUT = 3.3 V, 5 V, 12 V, or 15 V VOUT = 5 V
VIN(Max) = Maximum input voltage VIN(Max) = 20 V
ILOAD(Max) = Maximum load current ILOAD(Max) = 1 A
1. Inductor Selection (L1) 1. Inductor Selection (L1)
A. From Figure 13 through Figure 16, select the appropriate inductor A. From Figure 14 (TL2575-05), the intersection of 20-V line and 1-A
code based on the intersection of VIN(Max) and ILOAD(Max). line gives an inductor code of L330.
B. The inductor chosen should be rated for operation at 52-kHz and B. L330 →L1 = 330 μH
have a current rating of at least 1.15 × ILOAD(Max) to allow for the Choose from:
ripple current. The actual peak current in L1 (in normal operation) 34042 (Schott)
can be calculated as follows:
PE-52627 (Pulse Engineering)
IL1(pk) = ILOAD(Max) + (VIN – VOUT) × ton / 2L1
Where ton = VOUT / VIN × (1 / fosc)RL1952 (Renco)
2. Output Capacitor Selection (COUT) 2. Output Capacitor Selection (COUT)
A. The TL2575 control loop has a two-pole two-zero frequency A. COUT = 100-μF to 470-μF, standard aluminum electrolytic
response. The dominant pole-zero pair is established by COUT and
L1. To meet stability requirements while maintaining an acceptable
output ripple voltage (Vripple ≉0.01 × VOUT), the recommended range
for a standard aluminum electrolytic COUT is between 100 μF and
470 μF.
B. COUT should have a voltage rating of at least 1.5 × VOUT. But if a B. Although a COUT rated at 8 V is sufficient for VOUT = 5 V, a
low output ripple voltage is desired, choose capacitors with a higher- higher-voltage capacitor is chosen for its typically lower ESR (and
voltage ratings than the minimum required, due to their typically hence lower output ripple voltage) →Capacitor voltage
lower ESRs. rating = 20 V.
3. Catch Diode Selection (D1) (see Table 1) 3. Catch Diode Selection (D1) (see Table 1)
Copyright © 2006–2014, Texas Instruments Incorporated Submit Documentation Feedback 15
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l TEXAS INSTRUMENTS
C 7758
OUT ³(µF)
VIN(Max)
V L1(µH)
OUT ·
(
(
R2 = R1 – 1
VOUT
VREF
V = V
OUT REF 1 + where V = 1.23 V
REF
(
(
R2
R1
TL2575
,
TL2575HV
SLVS638C –JANUARY 2006–REVISED NOVEMBER 2014
www.ti.com
Typical Application (continued)
PROCEDURE (Fixed Output) EXAMPLE (Fixed Output)
A. In normal operation, the catch diode requires a current rating of at A. Pick a diode with 3-A rating.
least 1.2 × ILOAD(Max). For the most robust design, D1 should be
rated to handle a current equal to the TL2575 maximum switch peak
current; this represents the worst-case scenario of a continuous
short at VOUT.
B. The diode requires a reverse voltage rating of at least B. Pick 30-V rated Schottky diode (1N5821, MBR330, 31QD03, or
1.25 × VIN(Max). SR303) or 100-V rated Fast Recovery diode (31DF1, MURD310, or
HER302).
4. Input Capacitor (CIN) 4. Input Capacitor (CIN)
An aluminum electrolytic or tantalum capacitor is needed for input CIN = 100 μF, 25 V, aluminum electrolytic
bypassing. Locate CIN as close to the VIN and GND pins as possible.
PROCEDURE (Adjustable Output) EXAMPLE (Adjustable Output)
Known: Known:
VOUT(Nom) VOUT = 10 V
VIN(Max) = Maximum input voltage VIN(Max) = 25 V
ILOAD(Max) = Maximum load current ILOAD(Max) = 1 A
1. Programming Output Voltage (Selecting R1 and R2) 1. Programming Output Voltage (Selecting R1 and R2)
Referring to Figure 2, VOUT is defined by: Select R1 = 1 kΩ
R2 = 1 (10 / 1.23 – 1) = 7.13 kΩ
Select R2 = 7.15 kΩ(closest 1% value)
Choose a value for R1 between 1 kΩand 5 kΩ(use 1% metal-film
resistors for best temperature coefficient and stability over time).
2. Inductor Selection (L1) 2. Inductor Selection (L1)
A. Calculate the "set" volts-second (E × T) across L1: A. Calculate the "set" volts-second (E × T) across L1:
E × T = (VIN – VOUT) × ton E × T = (25 – 10) × (10 / 25) × (1000 / 52) [V × μs]
E × T = (VIN – VOUT) × (VOUT / VIN) × {1000 / fosc(in kHz)} [V × μs] E × T = 115 V × μs
NOTE: Along with ILOAD, the "set" volts-second (E × T) constant
establishes the minimum energy storage requirement for the
inductor.
B. Using Figure 17, select the appropriate inductor code based on B. Using Figure 17, the intersection of 115 V • μs and 1 A
the intersection of E × T value and ILOAD(Max). corresponds to an inductor code of H470.
C. The inductor chosen should be rated for operation at 52-kHz and C. H470 →L1 = 470 μH
have a current rating of at least 1.15 x ILOAD(Max) to allow for the Choose from:
ripple current. The actual peak current in L1 (in normal operation) 34048 (Schott)
can be calculated as follows:
PE-53118 (Pulse Engineering)
IL1(pk) = ILOAD(Max) + (VIN – VOUT) × ton / 2L1
Where ton = VOUT / VIN × (1 / fosc)RL1961 (Renco)
3. Output Capacitor Selection (COUT) 3. Output Capacitor Selection (COUT)
A. The TL2575 control loop has a two-pole two-zero frequency A. COUT ≥7785 × 25 / (10 × 470) [μF]
response. The dominant pole-zero pair is established by COUT and COUT ≥41.4 μF
L1. To meet stability requirements, COUT must meet the following To obtain an acceptable output voltage ripple →
requirement: COUT = 220 μF electrolytic
However, COUT may need to be several times larger than the
calculated value above in order to achieve an acceptable output
ripple voltage of ~0.01 × VOUT.
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l TEXAS INSTRUMENTS man 9 2 x m mu m g 2 ’ é a mo i E 5 z ‘2‘ § 0.2 0.3 a. 0.5013 0.3 m :12 03 a. nfiasnmaomc MAXMUM LOAD CURRENHA‘, ”WW" LOAD CURRENT (A)
TL2575
,
TL2575HV
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PROCEDURE (Adjustable Output) EXAMPLE (Adjustable Output)
B. COUT should have a voltage rating of at least 1.5 × VOUT. But if a
low output ripple voltage is desired, choose capacitors with a higher
voltage ratings than the minimum required due to their typically lower
ESRs.
4. Catch Diode Selection (D1) (see Table 1) 4. Catch Diode Selection (D1) (see Table 1)
A. In normal operation, the catch diode requires a current rating of at A. Pick a diode with a 3-A rating.
least 1.2 × ILOAD(Max). For the most robust design, D1 should be
rated for a current equal to the TL2575 maximum switch peak
current; this represents the worst-case scenario of a continuous
short at VOUT.
B. The diode requires a reverse voltage rating of at least B. Pick a 40-V rated Schottky diode (1N5822, MBR340, 31QD04, or
1.25 × VIN(Max). SR304) or 100-V rated Fast Recovery diode (31DF1, MURD310, or
HER302)
5. Input Capacitor (CIN) 5. Input Capacitor (CIN)
An aluminum electrolytic or tantalum capacitor is needed for input CIN = 100 μF, 35 V, aluminum electrolytic
bypassing. Locate CIN as close to VIN and GND pins as possible.
Table 1. Diode Selection Guide
SCHOTTKY FAST RECOVERY
VR1A 3A 1A 3A
1N5817 1N5820
20 V MBR120P MBR320
SR102 SR302
1N5818 1N5821
MBR130P MBR330
30 V 11DQ03 31DQ03
SR103 SR303 The following diodes The following diodes
1N5819 IN5822 are all rated to 100 V: are all rated to 100 V:
MBR140P MBR340 11DF1 31DF1
40 V 11DQ04 31DQ04 MUR110 MURD310
SR104 SR304 HER102 HER302
MBR150 MBR350
50 V 11DQ05 31DQ05
SR105 SR305
MBR160 MBR360
60 V 11DQ06 31DQ06
SR106 SR306
10.1.2.9 Inductor Selection Guide
Inductor Value Selection Guide for Continuous-Mode Operation
Figure 14. TL2575-50
Figure 13. TL2575-33
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l TEXAS INSTRUMENTS MAXNUM \NPUY VGUAGE (v) so on so 25 2n ‘8 n ‘5 ‘5 u DZ as N as oaawflosw MAXIMUM LOAD CURRENT (A) MAXIMUM mm" VOUAGE (v) n,2 n.3 u l MAXWUM LOAD CURRENT (A) 0,5 mm maxim n we ‘50 ‘25 mo an an in mwws) w 3n 1n n.2 MAXWUM LOAD CURRENT (A) L630 LA7o L330 L220 usu mu m m 05 u 5 munm n
D
B
{
0 A
C
0 A
{
A
0 V
{
{
V = 5 V
OUT
4 µs/Div
TL2575
,
TL2575HV
SLVS638C –JANUARY 2006–REVISED NOVEMBER 2014
www.ti.com
Inductor Value Selection Guide for Continuous-Mode Operation
Figure 16. TL2575-15
Figure 15. TL2575-12
Figure 17. TL2575-ADJ
10.1.3 Application Curves
Output ripple voltage, 20 mV/Div Figure 18. Switching Waveforms
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l TEXAS INSTRUMENTS Ripple antage 4v as ‘ rYimerms
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
-0.1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
t – Time – ms
ILOAD – Load Current – A
-0.2
-0.15
-0.1
-0.05
0
0.05
0.1
0.15
0.2
-0.1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
t – Time – ms
Ripple Voltage – V
TL2575
,
TL2575HV
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SLVS638C –JANUARY 2006–REVISED NOVEMBER 2014
Inductor Value Selection Guide for Continuous-Mode Operation
Figure 19. Load Transient Response
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GND GND
FEEDBACK
/ON/OFF
OUTPUT
VIN
GNDGND
Connect FEEDBACK
between two output
resistors on adjustable
version.
TL2575
,
TL2575HV
SLVS638C –JANUARY 2006–REVISED NOVEMBER 2014
www.ti.com
11 Power Supply Recommendations
This device operates with a power supply range of 4.75 V to 40 V (60 V for the TL2575-HV). A 100-µF
decoupling capacitor is recommended on the input to filter noise.
12 Layout
12.1 Layout Guidelines
With any switching regulator, circuit layout plays an important role in circuit performance. Wiring and parasitic
inductances, as well as stray capacitances, are subjected to rapidly switching currents, which can result in
unwanted voltage transients. To minimize inductance and ground loops, the length of the leads indicated by
heavy lines should be minimized. Optimal results can be achieved by single-point grounding (see Figure 11) or
by ground-plane construction. For the same reasons, the two programming resistors used in the adjustable
version should be located as close as possible to the regulator to keep the sensitive feedback wiring short.
12.2 Layout Example
Figure 20. Layout Diagram (KV Package)
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13 Device and Documentation Support
13.1 Related Links
The table below lists quick access links. Categories include technical documents, support and community
resources, tools and software, and quick access to sample or buy.
Table 2. Related Links
TECHNICAL TOOLS & SUPPORT &
PARTS PRODUCT FOLDER SAMPLE & BUY DOCUMENTS SOFTWARE COMMUNITY
TL2575 Click here Click here Click here Click here Click here
TL2575HV Click here Click here Click here Click here Click here
13.2 Trademarks
All trademarks are the property of their respective owners.
13.3 Electrostatic Discharge Caution
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
13.4 Glossary
SLYZ022 —TI Glossary.
This glossary lists and explains terms, acronyms, and definitions.
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14 Mechanical, Packaging, and Orderable Information
The following pages include mechanical, packaging, and orderable information. This information is the most
current data available for the designated devices. This data is subject to change without notice and revision of
this document. For browser-based versions of this data sheet, refer to the left-hand navigation.
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I TEXAS INSTRUMENTS Samples Samples Samples Samples Samples Samples Samples Samples Samples Sample: Sample: Samples Samples Samples Samples Samples Samples Samples
PACKAGE OPTION ADDENDUM
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Addendum-Page 1
PACKAGING INFORMATION
Orderable Device Status
(1)
Package Type Package
Drawing Pins Package
Qty Eco Plan
(2)
Lead finish/
Ball material
(6)
MSL Peak Temp
(3)
Op Temp (°C) Device Marking
(4/5)
Samples
TL2575-05IKTTR ACTIVE DDPAK/
TO-263 KTT 5 500 RoHS & Green SN Level-3-245C-168 HR -40 to 125 TL2575-05I
TL2575-05IKTTRG3 ACTIVE DDPAK/
TO-263 KTT 5 500 RoHS & Green SN Level-3-245C-168 HR -40 to 125 TL2575-05I
TL2575-05IKV ACTIVE TO-220 KV 5 50 RoHS & Green SN N / A for Pkg Type -40 to 125 TL2575-05I
TL2575-05IN ACTIVE PDIP N 16 25 RoHS & Green NIPDAU N / A for Pkg Type -40 to 125 TL2575-05IN
TL2575-12IKTTR ACTIVE DDPAK/
TO-263 KTT 5 500 RoHS & Green SN Level-3-245C-168 HR -40 to 125 TL2575-12I
TL2575-12IKV ACTIVE TO-220 KV 5 50 RoHS & Green SN N / A for Pkg Type -40 to 125 TL2575-12I
TL2575-12IN ACTIVE PDIP N 16 25 RoHS & Green NIPDAU N / A for Pkg Type -40 to 125 TL2575-12IN
TL2575-15IKTTR ACTIVE DDPAK/
TO-263 KTT 5 500 RoHS & Green SN Level-3-245C-168 HR -40 to 125 TL2575-15I
TL2575-15IKV ACTIVE TO-220 KV 5 50 RoHS & Green SN N / A for Pkg Type -40 to 125 TL2575-15I
TL2575-15IN ACTIVE PDIP N 16 25 RoHS & Green NIPDAU N / A for Pkg Type -40 to 125 TL2575-15IN
TL2575-33IKTTR ACTIVE DDPAK/
TO-263 KTT 5 500 RoHS & Green SN Level-3-245C-168 HR -40 to 125 TL2575-33I
TL2575-33IKV ACTIVE TO-220 KV 5 50 RoHS & Green SN N / A for Pkg Type -40 to 125 TL2575-33I
TL2575-33IN ACTIVE PDIP N 16 25 RoHS & Green NIPDAU N / A for Pkg Type -40 to 125 TL2575-33IN
TL2575-ADJIKTTR ACTIVE DDPAK/
TO-263 KTT 5 500 RoHS & Green SN Level-3-245C-168 HR -40 to 125 TL2575ADJI
TL2575-ADJIKTTRG3 ACTIVE DDPAK/
TO-263 KTT 5 500 RoHS & Green SN Level-3-245C-168 HR -40 to 125 TL2575ADJI
TL2575-ADJIKV ACTIVE TO-220 KV 5 50 RoHS & Green SN N / A for Pkg Type -40 to 125 TL2575ADJI
TL2575-ADJIN ACTIVE PDIP N 16 25 RoHS & Green NIPDAU N / A for Pkg Type -40 to 125 TL2575-ADJIN
TL2575-ADJINE4 ACTIVE PDIP N 16 25 RoHS & Green NIPDAU N / A for Pkg Type -40 to 125 TL2575-ADJIN
I TEXAS INSTRUMENTS Samples Samples Samples Samples Samples Samples Samples Sample: Sample: Samples Samples Samples Samples Samples Samples
PACKAGE OPTION ADDENDUM
www.ti.com 20-Nov-2021
Addendum-Page 2
Orderable Device Status
(1)
Package Type Package
Drawing Pins Package
Qty Eco Plan
(2)
Lead finish/
Ball material
(6)
MSL Peak Temp
(3)
Op Temp (°C) Device Marking
(4/5)
Samples
TL2575HV-05IKTTR ACTIVE DDPAK/
TO-263 KTT 5 500 RoHS & Green SN Level-3-245C-168 HR -40 to 125 2BHV-05I
TL2575HV-05IKV ACTIVE TO-220 KV 5 50 RoHS & Green SN N / A for Pkg Type -40 to 125 TL2575HV-05I
TL2575HV-05IN ACTIVE PDIP N 16 25 RoHS & Green NIPDAU N / A for Pkg Type -40 to 125 TL2575HV-05IN
TL2575HV-12IKTTR ACTIVE DDPAK/
TO-263 KTT 5 500 RoHS & Green SN Level-3-245C-168 HR -40 to 125 2BHV-12I
TL2575HV-12IKV ACTIVE TO-220 KV 5 50 RoHS & Green SN N / A for Pkg Type -40 to 125 TL2575HV-12I
TL2575HV-12IN ACTIVE PDIP N 16 25 RoHS & Green NIPDAU N / A for Pkg Type -40 to 125 TL2575HV-12IN
TL2575HV-15IKTTR ACTIVE DDPAK/
TO-263 KTT 5 500 RoHS & Green SN Level-3-245C-168 HR -40 to 125 2BHV-15I
TL2575HV-15IKV ACTIVE TO-220 KV 5 50 RoHS & Green SN N / A for Pkg Type -40 to 125 TL2575HV-15I
TL2575HV-15IN ACTIVE PDIP N 16 25 RoHS & Green NIPDAU N / A for Pkg Type -40 to 125 TL2575HV-15IN
TL2575HV-33IKTTR ACTIVE DDPAK/
TO-263 KTT 5 500 RoHS & Green SN Level-3-245C-168 HR -40 to 125 2BHV-33I
TL2575HV-33IKV ACTIVE TO-220 KV 5 50 RoHS & Green SN N / A for Pkg Type -40 to 125 TL2575HV-33I
TL2575HV-33IN ACTIVE PDIP N 16 25 RoHS & Green NIPDAU N / A for Pkg Type -40 to 125 TL2575HV-33IN
TL2575HV-ADJIKTTR ACTIVE DDPAK/
TO-263 KTT 5 500 RoHS & Green SN Level-3-245C-168 HR -40 to 125 2BHV-ADJI
TL2575HV-ADJIKV ACTIVE TO-220 KV 5 50 RoHS & Green SN N / A for Pkg Type -40 to 125 TL2575HVADJI
TL2575HV-ADJIN ACTIVE PDIP N 16 25 RoHS & Green NIPDAU N / A for Pkg Type -40 to 125 TL2575HV-ADJIN
(1) The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
I TEXAS INSTRUMENTS
PACKAGE OPTION ADDENDUM
www.ti.com 20-Nov-2021
Addendum-Page 3
(2) RoHS: TI defines "RoHS" to mean semiconductor products that are compliant with the current EU RoHS requirements for all 10 RoHS substances, including the requirement that RoHS substance
do not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, "RoHS" products are suitable for use in specified lead-free processes. TI may
reference these types of products as "Pb-Free".
RoHS Exempt: TI defines "RoHS Exempt" to mean products that contain lead but are compliant with EU RoHS pursuant to a specific EU RoHS exemption.
Green: TI defines "Green" to mean the content of Chlorine (Cl) and Bromine (Br) based flame retardants meet JS709B low halogen requirements of <=1000ppm threshold. Antimony trioxide based
flame retardants must also meet the <=1000ppm threshold requirement.
(3) MSL, Peak Temp. - The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature.
(4) There may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device.
(5) Multiple Device Markings will be inside parentheses. Only one Device Marking contained in parentheses and separated by a "~" will appear on a device. If a line is indented then it is a continuation
of the previous line and the two combined represent the entire Device Marking for that device.
(6) Lead finish/Ball material - Orderable Devices may have multiple material finish options. Finish options are separated by a vertical ruled line. Lead finish/Ball material values may wrap to two
lines if the finish value exceeds the maximum column width.
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information
provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and
continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals.
TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release.
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis.
OTHER QUALIFIED VERSIONS OF TL2575HV-05, TL2575HV-33 :
•Automotive : TL2575HV-05-Q1, TL2575HV-33-Q1
NOTE: Qualified Version Definitions:
•Automotive - Q100 devices qualified for high-reliability automotive applications targeting zero defects
l TEXAS INSTRUMENTS REEL DIMENSIONS TAPE DIMENSIONS 7 “K0 '«Pt» Reel Dlameter AD Dimension designed to accommodate the component Width ED Dimension designed to accommodate the component tengtn K0 Dimension designed to accommodate the component thickness 7 w Overau Width onhe carrier tape i P1 Pitch between successive cawty centers f T Reel Width (W1) QUADRANT ASSIGNMENTS FOR PIN 1 ORIENTATION IN TAPE C) O O D O O D O iSDrOckethes —> User Dtrecllnn 0' Feed \i/ Pockel Quadrams
TAPE AND REEL INFORMATION
*All dimensions are nominal
Device Package
Type Package
Drawing Pins SPQ Reel
Diameter
(mm)
Reel
Width
W1 (mm)
A0
(mm) B0
(mm) K0
(mm) P1
(mm) W
(mm) Pin1
Quadrant
TL2575-05IKTTR DDPAK/
TO-263 KTT 5 500 330.0 24.4 10.8 16.1 4.9 16.0 24.0 Q2
TL2575-05IKTTR DDPAK/
TO-263 KTT 5 500 330.0 24.4 10.8 16.3 5.11 16.0 24.0 Q2
TL2575-12IKTTR DDPAK/
TO-263 KTT 5 500 330.0 24.4 10.8 16.3 5.11 16.0 24.0 Q2
TL2575-15IKTTR DDPAK/
TO-263 KTT 5 500 330.0 24.4 10.8 16.3 5.11 16.0 24.0 Q2
TL2575-33IKTTR DDPAK/
TO-263 KTT 5 500 330.0 24.4 10.8 16.3 5.11 16.0 24.0 Q2
TL2575-33IKTTR DDPAK/
TO-263 KTT 5 500 330.0 24.4 10.8 16.1 4.9 16.0 24.0 Q2
TL2575-ADJIKTTR DDPAK/
TO-263 KTT 5 500 330.0 24.4 10.8 16.1 4.9 16.0 24.0 Q2
TL2575-ADJIKTTR DDPAK/
TO-263 KTT 5 500 330.0 24.4 10.8 16.3 5.11 16.0 24.0 Q2
TL2575HV-05IKTTR DDPAK/
TO-263 KTT 5 500 330.0 24.4 10.8 16.3 5.11 16.0 24.0 Q2
TL2575HV-05IKTTR DDPAK/
TO-263 KTT 5 500 330.0 24.4 10.8 16.1 4.9 16.0 24.0 Q2
TL2575HV-12IKTTR DDPAK/ KTT 5 500 330.0 24.4 10.8 16.3 5.11 16.0 24.0 Q2
PACKAGE MATERIALS INFORMATION
www.ti.com 5-Jan-2022
Pack Materials-Page 1
l TEXAS INSTRUMENTS TAPE AND REEL BOX DIMENSIONS
Device Package
Type Package
Drawing Pins SPQ Reel
Diameter
(mm)
Reel
Width
W1 (mm)
A0
(mm) B0
(mm) K0
(mm) P1
(mm) W
(mm) Pin1
Quadrant
TO-263
TL2575HV-15IKTTR DDPAK/
TO-263 KTT 5 500 330.0 24.4 10.8 16.3 5.11 16.0 24.0 Q2
TL2575HV-33IKTTR DDPAK/
TO-263 KTT 5 500 330.0 24.4 10.8 16.1 4.9 16.0 24.0 Q2
TL2575HV-33IKTTR DDPAK/
TO-263 KTT 5 500 330.0 24.4 10.8 16.3 5.11 16.0 24.0 Q2
TL2575HV-ADJIKTTR DDPAK/
TO-263 KTT 5 500 330.0 24.4 10.8 16.1 4.9 16.0 24.0 Q2
TL2575HV-ADJIKTTR DDPAK/
TO-263 KTT 5 500 330.0 24.4 10.8 16.3 5.11 16.0 24.0 Q2
*All dimensions are nominal
Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm)
TL2575-05IKTTR DDPAK/TO-263 KTT 5 500 350.0 334.0 47.0
TL2575-05IKTTR DDPAK/TO-263 KTT 5 500 340.0 340.0 38.0
TL2575-12IKTTR DDPAK/TO-263 KTT 5 500 340.0 340.0 38.0
TL2575-15IKTTR DDPAK/TO-263 KTT 5 500 340.0 340.0 38.0
TL2575-33IKTTR DDPAK/TO-263 KTT 5 500 340.0 340.0 38.0
TL2575-33IKTTR DDPAK/TO-263 KTT 5 500 350.0 334.0 47.0
TL2575-ADJIKTTR DDPAK/TO-263 KTT 5 500 350.0 334.0 47.0
PACKAGE MATERIALS INFORMATION
www.ti.com 5-Jan-2022
Pack Materials-Page 2
l TEXAS INSTRUMENTS
Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm)
TL2575-ADJIKTTR DDPAK/TO-263 KTT 5 500 340.0 340.0 38.0
TL2575HV-05IKTTR DDPAK/TO-263 KTT 5 500 340.0 340.0 38.0
TL2575HV-05IKTTR DDPAK/TO-263 KTT 5 500 350.0 334.0 47.0
TL2575HV-12IKTTR DDPAK/TO-263 KTT 5 500 340.0 340.0 38.0
TL2575HV-15IKTTR DDPAK/TO-263 KTT 5 500 340.0 340.0 38.0
TL2575HV-33IKTTR DDPAK/TO-263 KTT 5 500 350.0 334.0 47.0
TL2575HV-33IKTTR DDPAK/TO-263 KTT 5 500 340.0 340.0 38.0
TL2575HV-ADJIKTTR DDPAK/TO-263 KTT 5 500 350.0 334.0 47.0
TL2575HV-ADJIKTTR DDPAK/TO-263 KTT 5 500 340.0 340.0 38.0
PACKAGE MATERIALS INFORMATION
www.ti.com 5-Jan-2022
Pack Materials-Page 3
l TEXAS INSTRUMENTS T - Tube height| L - Tube length l ,g + w-Tuhe _______________ _ ______________ width $ — B - Alignment groove width
TUBE
*All dimensions are nominal
Device Package Name Package Type Pins SPQ L (mm) W (mm) T (µm) B (mm)
TL2575-05IKV KV TO-220 5 50 534 32.7 700 15.6
TL2575-05IN N PDIP 16 25 506 13.97 11230 4.32
TL2575-12IKV KV TO-220 5 50 534 32.7 700 15.6
TL2575-12IN N PDIP 16 25 506 13.97 11230 4.32
TL2575-15IKV KV TO-220 5 50 534 32.7 700 15.6
TL2575-15IN N PDIP 16 25 506 13.97 11230 4.32
TL2575-33IKV KV TO-220 5 50 534 32.7 700 15.6
TL2575-33IN N PDIP 16 25 506 13.97 11230 4.32
TL2575-ADJIKV KV TO-220 5 50 534 32.7 700 15.6
TL2575-ADJIN N PDIP 16 25 506 13.97 11230 4.32
TL2575-ADJINE4 N PDIP 16 25 506 13.97 11230 4.32
TL2575HV-05IKV KV TO-220 5 50 534 32.7 700 15.6
TL2575HV-05IN N PDIP 16 25 506 13.97 11230 4.32
TL2575HV-12IKV KV TO-220 5 50 534 32.7 700 15.6
TL2575HV-12IN N PDIP 16 25 506 13.97 11230 4.32
TL2575HV-15IKV KV TO-220 5 50 534 32.7 700 15.6
TL2575HV-15IN N PDIP 16 25 506 13.97 11230 4.32
TL2575HV-33IKV KV TO-220 5 50 534 32.7 700 15.6
TL2575HV-33IN N PDIP 16 25 506 13.97 11230 4.32
TL2575HV-ADJIKV KV TO-220 5 50 534 32.7 700 15.6
TL2575HV-ADJIN N PDIP 16 25 506 13.97 11230 4.32
PACKAGE MATERIALS INFORMATION
www.ti.com 5-Jan-2022
Pack Materials-Page 4
MECHANICAL DATA KV (R—PZFM-TS) PLASTIC FLANGE-MOUNT PACKAGE 01-20 (10,671 0185 (1170) n 1 8 (,65) 1 (1 17 (4‘ 1 , 7:121:11 a “g , i 0 3 1 a 0 270 (656) i 7 i 0 230 (5,84) 1 D 1 0 350 1a 89) 1 0507 7‘ 04/2 _ , / ‘ H 0270 16,56) '1 0552 116661 1 1 , 0 620 15175 1 A 7 0 361 < l="" 1="" 777777777="" a="" 0330="" (8,38)="" l="" '\="" 1="" 1="" 0="" 7215="" (1614a)="" ‘="" ‘="" 0.672="" (17071="" 1="" m="" exposed="" ‘="" 0640="" 121,541="" 7="" ,="" 1="" 1="" 1="" 0163="" (4,="" 5)="" thermfl="" pcd="" mw="" r="" m="" ,="" ¢="" 0="" 570="" (zz‘u)="" h="" 033="" (0‘="" .5)="" mw="" 0115="" (2‘92)="" 7="" 1="" 2="" 3="" a="" 5="" u="" 080="" (zu3=""> 0175 14,52) 0‘54 (3,01) 0067 (1,701 0 02L (0,611 0014 (0135) 0 335 (6,50) 0511 (7.90) ' IMMUNE/I: 06/20U6 A11 Mnec' d1mens'10rs Ne m mm: (m1111me1ers) TH: drawmq 1s subjee, :6 change warm: nonce A1 1621:! a1mensms upp1y 3 ' smear d3 We center 1ecc 1s 1r e1ech1001 comet WWW the moLMmg 166 A B C D A We chc'n‘er 15 mm Trerrrm sud CDMULV nphona‘ w'1th1n :hese d'wersmrs INSrRUMEm-s www.1i.com
MECHANICAL DATA N (R—PDlP-T“) PLASTIC DUAL—IN—LINE PACKAGE 16 P15 SHOWN PWS " A L . [NM 15 a 20 16 9 0 775 U 777 0 SZU '1 USE 3 , 1H HH HH r% r’H r"—1 r’H H1 1 A VAX “9‘69? (191591 (23,37) (25,92) 0 250 (6,50‘ A MN [1145‘ 0142‘ 0.350 new 3 O 240 (6.10), 15 92/ (1832/ (2 .59) (23,58) MSiUO‘ (A AA AA Ari AA AA AA R1 &. VAR1AT1CN M RR AC AD 1 B 0070( (17s) 0015 (111) A 0045 (1,111 g n > , ‘ -) 3.020 (0,51) MW w o 5 (0 35) 0200( 38) MAX f, ), Gnu E Home 1 1‘ 9 fix—1%)” 1 0125’ 1/111 4% 0010 (v.37 ) NOM 31a) U L»- J 0450 (13,92) MAX L 202‘ (0,53) » e c 015 (0,35) / \ a; 00‘s (0,Zb)® / \ 1 1 \\¥,// 11/18 Pm (My > @ 20 Pm vendor upho'v mom/r 17/7037 NO'FS A AH Mnec' mmensmr‘fi: B 1m: drawmq 1s sume m muss (m1111mevem) 0 change mm): nofice /c\ FuHs wumn JEDEC M57001, except 15 an: 20 p171 'r1111mLm body 1mm (01m A) A The 70 p171 and 15m} shmflder Md” 15 a ve'vdnr 0311071, eher NIH Dr 111 wkflh INSI'RUMENTS www.1i.com
MECHANICAL DATA KTT (R7PSFM705) PLASTiC FLANGEiMOUNT PACKAGE 15. 88 6.86 Min r i I I I I I I I I I I L M. 60 0PTi0NAL LEAD FORM 420057774/5 (Ti/i] NOTES: A. AH iinear dimensions are in miliimeters. E This drawing is subject to change without notice. C, Body dimensions do not inciude moid flash or protrusion, Mold iiash or protrusion not to exceed 0,005 (0,13) per side, & Fails within JEDEC T0—263 variation BA. except minimum iead thickness. maximum seating height, and minimum body ienqth. 41* INSTRUMENTS www.li.com
LAND PATTERN DATA KTT (R—PSFM—G5) PLASTIC FLANGE—MOUNT PACKAGE \ / Pad Geometry \ // Example Boord Layout Example stencil Design (Note C) (Note D) ‘°-7 Copper Area ms (Note F) 36 — — 35 _ _ .L .L Elana w l i H - — 4m Example f» k 1,0 Solder Musk Opening / / ("“9 E) 3,4 1 I / I —— ‘— o.o7 / All Around/ / (Note c) lzoazossJ/c 05/12 NOTES: Ad All linear dimensions are in millimeters. E. This drawing is subject to chonge without notice c. Puoiicotion iPc—SM—7az is recommended ior oitemote designs, 9. Loser cutting opertures with trapezoidal wells and also rounding corners will oiler oetler poste release. Customers should contoct their board assembly site lor stencil design recommendolions Refer to iPc—ms, E. Customers should contoct their board iotiricotion site ior soider musk loleronces between ond oround signoi pods. F This package is designed to he soldered to o lhennol pad on the board. Reier lo the Produet Dolosheel tor speciiie thermal iniormotion. v‘ia requirements, and recommended thermal pad size. For thermal pad sizes iorger thon shown o soider musk deiined pad is recommended in order to moinlcin the soiderooie pod geometry while increosing copper creo, {if Tam INSTRUMENTS wwwxi .com
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