24V Input Micro Family

Vicor Corporation

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24V Micro Family Rev 6.6
Page 1 of 15 03/2019
24V Input
Micro Family
DC-DC Converter Module
S
NRTL
CUS
CUS
®
Actual size:
2.28 x 1.45 x 0.5in
[57,9 x 36,8 x 12,7mm]
Features & Benefits
DC input range: 18 – 36V
Isolated output
Operation to 16V at 75% power
after start up
Input surge withstand: 50V for 100ms
DC output: 3.3 – 48V
Programmable output: 10 – 110%
Regulation: ±0.4% no load to full load
Efficiency: Up to 89%
Maximum operating temp: 100°C,
full load
Power density: up to 91W per cubic inch
Height above board: 0.43in [10,9mm]
Parallelable, with N+M fault tolerance
Low-noise ZCS/ZVS architecture
RoHS Compliant (with F or G pin option)
Product Overview
These DC-DC converter modules use
advanced power processing, control and
packaging technologies to provide the
performance, flexibility, reliability and cost
effectiveness of a mature power component.
High-frequency ZCS/ZVS switching provides
high power density with low noise and
high efficiency.
Parameter Rating Unit Notes
+IN to –IN voltage –0.5 to +53 VDC
PC to –IN voltage –0.5 to +7.0 VDC
PR to –IN voltage –0.5 to +7.0 VDC
SC to –OUT voltage –0.5 to +1.5 VDC
Isolation voltage
IN to OUT 3000 VRMS Test voltage
IN to base 1500 VRMS Test voltage
OUT to base 500 VRMS Test voltage
Operating Temperature –55 to +100 °C M-Grade
Storage Temperature –65 to +125 °C M-Grade
Pin soldering temperature 500 [260] °F [°C] <5 sec; wave solder
750 [390] °F [°C] <7 sec; hand solder
Mounting torque 5 [0.57] in.lbs [N.m] 6 each
Output Voltage
3V3 = 3.3V
5 = 5V
8 = 8V
12 = 12V
15 = 15V
24 = 24V
28 = 28V
36 = 36V
48 = 48V
Output Power
VOUT POUT
3.3V 75W, 50W
5V 125W, 100W, 50W
8V 100W
12V 150W, 100W, 50W
15V 150W, 100W, 50W
24V 150W,100W, 50W
28V 150W, 100W, 50W
36V 100W, 50W
48V 150W, 100W, 50W
Part Numbering
e.g. V24C12T100BL2
Pin Style Finish
Blank: Short Tin/Lead
L: Long Tin/Lead
S: Short ModuMate Gold
N: Long ModuMate Gold
F: Short RoHS Gold
G: Long RoHS Gold
K: Extra Long RoHS Gold
Baseplate
Blank: Slotted
2: Threaded
3: Through-hole
Applications
Industrial and process control, distributed power, medical, ATE, communications,
defense and aerospace.
For details on proper operation please refer to the:
Design Guide & Applications Manual for Maxi, Mini, Micro Family.
Product Type
V = Standard
S = Enhanced
efficiency
(avail. 12
VOUT only)
Absolute Maximum Ratings
B
24C
Product Grade Temperatures (°C)
Grade Operating Storage
E = –10 to +100 –20 to +125
C = –20 to +100 –40 to +125
T = –40 to +100 –40 to +125
H = –40 to +100 –55 to +125
M = –55 to +100 –65 to +125
24V Micro Family Rev 6.6
Page 2 of 15 03/2019
24V Input
Parameter Min Typ Max Unit Notes
Operating input voltage 18 24 36 VDC
Input surge withstand 50 VDC <100ms
Undervoltage turn-on 17.5 17.9 VDC
Undervoltage turn-off 14.8 15.3 VDC
Modules will operate to 16VIN after startup at >17.9V.
Below 18V, available power is reduced to 75% of max
rating.
Overvoltage turn-off/on 36.3 37.8 39.6 VDC
Disabled input current 4.0 mA PC pin low
Parameter Min Typ Max Unit Notes
Output voltage setpoint ±1 % Of nominal output voltage. Nominal input; full load; 25°C
Line regulation ±0.02 ±0.20 % Low line to high line; full load
Temperature regulation ±0.002 ±0.005 % /°C Over operating temperature range
Power sharing accuracy ±2 ±5 % 10 – 100% of full load
Programming range %
Of nominal output voltage. For trimming below 90%
10 110 of nominal, a minimum load of 10% of maximum
rated power may be required.
+OUT to –OUT — Absolute Maximum Ratings
3.3V –0.5 to 4.7 VDC Externally applied
5V –0.5 to 7.0 VDC Externally applied
8V –0.5 to 10.9 VDC Externally applied
12V –0.5 to 16.1 VDC Externally applied
15V –0.5 to 20.0 VDC Externally applied
24V –0.5 to 31.7 VDC Externally applied
28V –0.5 to 36.9 VDC Externally applied
36V –0.5 to 47.1 VDC Externally applied
48V –0.5 to 62.9 VDC Externally applied
Module Input Specifications
Module Output Specifications
Note: The permissible load current must never be exceeded during normal, abnormal or test conditions. For additional output related application information,
please refer to output connections on page 10.
Parameter Min Typ Max Unit
Baseplate to sink; flat, greased surface 0.24 °C/Watt
Baseplate to sink; thermal pad (P/N 20265) 0.21 °C/Watt
Baseplate to ambient 10.9 °C/Watt
Baseplate to ambient; 1000LFM 2.8 °C/Watt
Thermal capacity 48 Watt-sec/°C
Thermal Resistance And Capacity
Module Family Electrical Characteristics
Electrical characteristics apply over the full operating range of input voltage, output load (resistive) and baseplate temperature, unless otherwise specified.
All temperatures refer to the operating temperature at the center of the baseplate.
24V Micro Family Rev 6.6
Page 3 of 15 03/2019
24V Input
Parameter Min Typ Max Unit Notes
Isolation test voltage (IN to OUT)* 3000 VRMS Complies with reinforced insulation requirements
Isolation test voltage (IN to base)* 1500 VRMS Complies with basic insulation requirements
Isolation test voltage (OUT to base)* 500 VRMS Complies with operational insulation requirements
Isolation resistance 10 IN to OUT, IN to baseplate, OUT to baseplate
Weight (E, C, T grade) 1.9 2.1 2.3 ounces
[52.8] [59.3] [65.8] [grams]
Weight (H, M grade) 2.1 2.3 2.5 ounces
[58.7] [65.2] [71.7] [grams]
Temperature limiting 100 115 °C See Figs. 3 and 5. Do not operate coverter >100°C.
Agency approvals cURus, cTÜVus, CE UL60950-1, EN60950-1, CSA60950-1, IEC60950-1.
With appropriate fuse in series with the +Input
Parameter Min Typ Max Unit Notes
Primary Side (PC = Primary Control; PR = Parallel)
PC bias voltage 5.50 5.75 6.00 VDC PC current = 1.0mA
current limit 1.5 2.1 3.0 mA PC voltage = 5.5V
PC module disable 2.3 2.6 2.9 VDC Switch must be able to sink ≥4 mA. See Fig. 2
PC module enable delay 4 7 ms
PC module alarm 0.5 VAVG UV, OV, OT, module fault. See Figs. 3 and 5
PC resistance 0.9 1.0 1.1 See Fig. 3, converter off or fault mode
PR emitter amplitude 5.7 5.9 6.1 Volts PR load >30Ω, <30pF
PR emitter current 150 mA
PR receiver impedance 375 500 625 Ω 25°C
PR receiver threshold 2.4 2.5 2.6 Volts Minimum pulse width: 20ns
PR drive capability 12 modules Without PR buffer amplifier
Secondary Side (SC = Secondary Control)
SC bandgap voltage 1.21 1.23 1.25 VDC Referenced to –Sense
SC resistance 990 1000 1010 Ω
SC capacitance 0.033 µF
SC module alarm 0 VDC With open trim; referenced to –Sense. See Fig. 7
Module Control Specifications
Module General Specifications
* Isolation test voltage, 1 minute or less.
Note: Specifications are subject to change without notice.
Module Family Electrical Characteristics (Cont.)
24V Micro Family Rev 6.6
Page 4 of 15 03/2019
24V Input
Module-Specific Operating Specifications
Parameter Min Typ Max Unit Notes
Efficiency
S24C3V3C75BL (enhanced efficiency) 84.6 86.2 % Nominal input; 75% load; 25°C
V24C3V3C75BL (standard efficiency) 80.0 81.6
Ripple and noise 140 175 mV P-P; Nominal input; full load; 20MHz bandwidth
Output OVP setpoint 4.14 4.3 4.46 Volts 25°C; recycle input voltage or PC to restart (>100ms off)
Dissipation, standby 4 6 Watts No load
Load regulation ±0.02 ±0.4 % No load to full load; nominal input
Load current 0 22.72 Amps
Current limit 23.1 26.1 30.7 Amps Output voltage 95% of nominal
Short circuit current 15.8 26.1 30.7 Amps Output voltage <250mV
3.3VOUT, 75W (e.g. S24C3V3C75BL, V24C3V3C75BL)
Parameter Min Typ Max Unit Notes
Efficiency
S24C3V3C50BL (enhanced efficiency) 82.6 84.0 % Nominal input; 75% load; 25°C
V24C3V3C50BL (standard efficiency) 75.0 79.2
Ripple and noise 240 300 mV P-P; Nominal input; full load; 20MHz bandwidth
Output OVP setpoint 4.14 4.3 4.46 Volts 25°C; recycle input voltage or PC to restart (>100ms off)
Dissipation, standby 1.6 3 Watts No load
Load regulation ±0.02 ±0.2 % No load to full load; nominal input
Load current 0 15.15 Amps
Current limit 15.5 17.5 20.6 Amps Output voltage 95% of nominal
Short circuit current 10.6 17.5 20.6 Amps Output voltage <250mV
3.3VOUT, 50W (e.g. S24C3V3C50BL, V24C3V3C50BL)
Parameter Min Typ Max Unit Notes
Efficiency
S24C5C100BL (enhanced efficiency) 85.9 87.4 % Nominal input; 75% load; 25°C
V24C5C100BL (standard efficiency) 84.0 85.7
Ripple and noise 100 125 mV P-P; Nominal input; full load; 20MHz bandwidth
Output OVP setpoint 6.03 6.25 6.47 Volts 25°C; recycle input voltage or PC to restart (>100ms off)
Dissipation, standby 3.2 4.8 Watts No load
Load regulation ±0.02 ±0.2 % No load to full load; nominal input
Load current 0 20 Amps
Current limit 20.4 23 27 Amps Output voltage 95% of nominal
Short circuit current 2 23 27 Amps Output voltage <250mV
5VOUT, 100W (e.g. S24C5C100BL, V24C5C100BL)
Parameter Min Typ Max Unit Notes
Efficiency
S24C5C125BL (enhanced efficiency) 85.0 86.5 % Nominal input; 75% load; 25°C
V24C5C125BL (standard efficiency) 83.0 84.5
Ripple and noise 150 188 mV P-P Nominal input full load 20MHz bandwidth
Output OVP setpoint 6.0 6.25 6.5 Volts 25°C; recycle input voltage or PC to restart (>100ms off)
Dissipation, standby 4.3 5.3 Watts No load
Load regulation ±0.02 ±0.2 % No load to full load nominal input
Load current 0.0 25.0 Amps
Current limit 25.5 28.8 33.8 Amps Output voltage 95% of nominal
Short circuit current 17.5 28.8 33.8 Amps Output voltage <250mV
5VOUT, 125W (e.g. S24C5C125BL, V24C5C125BL)
24V Micro Family Rev 6.6
Page 5 of 15 03/2019
24V Input
Parameter Min Typ Max Unit Notes
Efficiency
S24C12C150BL (enhanced efficiency) 88.0 89.5 % Nominal input; 75% load; 25°C
V24C12C150BL (standard efficiency) 87.5 88.8
Ripple and noise 170 212 mV P-P Nominal input full load 20MHz bandwidth
Output OVP setpoint 13.8 14.3 14.8 Volts 25°C; recycle input voltage or PC to restart (>100ms off)
Dissipation, standby 3.7 4.5 Watts No load
Load regulation ±0.02 ±0.2 % No load to full load nominal input
Load current 0 12.5 Amps
Current limit 12.8 14.4 16.9 Amps Output voltage 95% of nominal
Short circuit current 8.8 14.4 16.9 Amps Output voltage <250mV
12VOUT, 150W (e.g. S24C12C150BL, V24C12C150BL)
Parameter Min Typ Max Unit Notes
Efficiency
S24C8C100BL (enhanced efficiency) 86.0 89.0 % Nominal input; 75% load; 25°C
V24C8C100BL (standard efficiency) 85.0 86.4
Ripple and noise 145 182 mV P-P; Nominal input; full load; 20MHz bandwidth
Output OVP setpoint 9.36 9.7 10.1 Volts 25°C; recycle input voltage or PC to restart (>100ms off)
Dissipation, standby 3 3.4 Watts No load
Load regulation ±0.02 ±0.2 % No load to full load; nominal input
Load current 0 12.5 Amps
Current limit 12.7 14.4 16.9 Amps Output voltage 95% of nominal
Short circuit current 8.75 14.4 16.9 Amps Output voltage <250mV
8VOUT, 100W (e.g. S24C8C100BL, V24C8C100BL)
Parameter Min Typ Max Unit Notes
Efficiency
S24C5C50BL (enhanced efficiency) 86.5 87.8 % Nominal input; 75% load; 25°C
V24C5C50BL (standard efficiency) 83.0 84.5
Ripple and noise 80 100 mV P-P; Nominal input; full load; 20MHz bandwidth
Output OVP setpoint 6.03 6.25 6.47 Volts 25°C; recycle input voltage or PC to restart (>100ms off)
Dissipation, standby 1.3 2.1 Watts No load
Load regulation ±0.02 ±0.2 % No load to full load; nominal input
Load current 0 10 Amps
Current limit 10.2 11.5 13.5 Amps Output voltage 95% of nominal
Short circuit current 2 11.5 13.5 Amps Output voltage <250mV
5VOUT, 50W (e.g. S24C5C50BL, V24C5C50BL)
Parameter Min Typ Max Unit Notes
Efficiency
S24C12C100BL (enhanced efficiency) 88.7 90.2 % Nominal input; 75% load; 25°C
V24C12C100BL (standard efficiency) 87.0 88.4
Ripple and noise 209 262 mV P-P; Nominal input; full load; 20MHz bandwidth
Output OVP setpoint 13.7 14.3 14.9 Volts 25°C; recycle input voltage or PC to restart (>100ms off)
Dissipation, standby 4.4 6.1 Watts No load
Load regulation ±0.02 ±0.2 % No load to full load; nominal input
Load current 0 8.33 Amps
Current limit 8.5 9.59 10.9 Amps Output voltage 95% of nominal
Short circuit current 1.09 9.59 10.9 Amps Output voltage <250mV
12VOUT, 100W (e.g. S24C12C100BL, V24C12C100BL)
Module-Specific Operating Specifications (Cont.)
24V Micro Family Rev 6.6
Page 6 of 15 03/2019
24V Input
Module-Specific Operating Specifications (Cont.)
Parameter Min Typ Max Unit Notes
Efficiency 88.0 89.4 % Nominal input; 75% load; 25°C
Ripple and noise 160 200 mV P-P; Nominal input; full load; 20MHz bandwidth
Output OVP setpoint 17.1 17.8 18.5 Volts 25°C; recycle input voltage or PC to restart (>100ms off)
Dissipation, standby 1.8 2.6 Watts No load
Load regulation ±0.02 ±0.2 % No load to full load; nominal input
Load current 0 3.33 Amps
Current limit 3.39 3.83 4.5 Amps Output voltage 95% of nominal
Short circuit current 2.33 3.83 4.5 Amps Output voltage <250mV
15VOUT, 50W (e.g. V24C15C50BL)
Parameter Min Typ Max Unit Notes
Efficiency 89.0 90.0 % Nominal input; 75% load; 25°C
Ripple and noise 100 125 mV P-P; Nominal input; full load; 20MHz bandwidth
Output OVP setpoint 17.1 17.8 18.5 Volts 25°C; recycle input voltage or PC to restart (>100ms off)
Dissipation, standby 4.6 7 Watts No load
Load regulation ±0.02 ±0.2 % No load to full load; nominal input
Load current 0 6.67 Amps
Current limit 6.8 7.67 8.67 Amps Output voltage 95% of nominal
Short circuit current 4.66 7.67 8.67 Amps Output voltage <250mV
15VOUT, 100W (e.g. V24C15C100BL)
Parameter Min Typ Max Unit Notes
Efficiency
S24C12C50BL (enhanced efficiency) 87.8 89.2 % Nominal input; 75% load; 25°C
V24C12C50BL (standard efficiency) 87.5 88.5
Ripple and noise 80 100 mV P-P; Nominal input; full load; 20MHz bandwidth
Output OVP setpoint 13.7 14.3 14.9 Volts 25°C; recycle input voltage or PC to restart (>100ms off)
Dissipation, standby 1.8 2.6 Watts No load
Load regulation ±0.02 ±0.2 % No load to full load; nominal input
Load current 0 4.17 Amps
Current limit 4.25 4.8 5.63 Amps Output voltage 95% of nominal
Short circuit current 2.91 4.8 5.63 Amps Output voltage <250mV
12VOUT, 50W (e.g. S24C12C50BL, V24C12C50BL)
Parameter Min Typ Max Unit Notes
Efficiency 88.0 89.6 % Nominal input; 75% load; 25°C
Ripple and noise 152.0 190.0 mV P-P Nominal input full load 20MHz bandwidth
Output OVP setpoint 17.1 17.8 18.4 Volts 25°C; recycle input voltage or PC to restart (>100ms off)
Dissipation, standby 3.9 5.0 Watts No load
Load regulation ±0.02 ±0.2 % No load to full load nominal input
Load current 0.0 10.0 Amps
Current limit 10.2 11.5 13.5 Amps Output voltage 95% of nominal
Short circuit current 7.0 11.5 13.5 Amps Output voltage <250mV
15VOUT, 150W (e.g. V24C15C150BL)
24V Micro Family Rev 6.6
Page 7 of 15 03/2019
24V Input
Module-Specific Operating Specifications (Cont.)
Parameter Min Typ Max Unit Notes
Efficiency 87.0 88.6 % Nominal input; 75% load; 25°C
Ripple and noise 80 100 mV P-P; Nominal input; full load; 20MHz bandwidth
Output OVP setpoint 27.1 28.1 29.1 Volts 25°C; recycle input voltage or PC to restart (>100ms off)
Dissipation, standby 2 3 Watts No load
Load regulation ±0.02 ±0.2 % No load to full load; nominal input
Load current 0 2.08 Amps
Current limit 2.12 2.39 2.81 Amps Output voltage 95% of nominal
Short circuit current 1.45 2.39 2.81 Amps Output voltage <250mV
24V
OUT
, 50W (e.g. V24C24C50BL)
Parameter Min Typ Max Unit Notes
Efficiency 87.0 88.6 % Nominal input; 75% load; 25°C
Ripple and noise 70 88 mV P-P; Nominal input; full load; 20MHz bandwidth
Output OVP setpoint 27.1 28.1 29.1 Volts 25°C; recycle input voltage or PC to restart (>100ms off)
Dissipation, standby 3.6 5.4 Watts No load
Load regulation ±0.02 ±0.2 % No load to full load; nominal input
Load current 0 4.17 Amps
Current limit 4.25 4.8 5.67 Amps Output voltage 95% of nominal
Short circuit current 2.91 4.8 5.42 Amps Output voltage <250mV
24VOUT, 100W (e.g. V24C24C100BL)
Parameter Min Typ Max Unit Notes
Efficiency 88.0 89.0 % Nominal input; 75% load; 25°C
Ripple and noise 100 150 mV P-P; Nominal input; full load; 20MHz bandwidth
Output OVP setpoint 31.6 32.7 33.8 Volts 25°C; recycle input voltage or PC to restart (>100ms off)
Dissipation, standby 4.2 6.2 Watts No load
Load regulation ±0.02 ±0.2 % No load to full load; nominal input
Load current 0 5.4 Amps
Current limit 5.5 6.2 7.2 Amps Output voltage 95% of nominal
Short circuit current 3.8 6.2 7.2 Amps Output voltage <250mV
28VOUT, 150W (e.g. V24C28C150BL)
Parameter Min Typ Max Unit Notes
Efficiency 87.3 88.3 % Nominal input; 75% load; 25°C
Ripple and noise 100 150 mV P-P; Nominal input; full load; 20MHz bandwidth
Output OVP setpoint 27.1 28.1 29.1 Volts 25°C; recycle input voltage or PC to restart (>100ms off)
Dissipation, standby 4.0 5.0 Watts No load
Load regulation ±0.02 ±0.2 % No load to full load; nominal input
Load current 0.0 6.3 Amps
Current limit 6.4 7.2 8.4 Amps Output voltage 95% of nominal
Short circuit current 4.4 7.2 8.4 Amps Output voltage <250mV
24VOUT, 150W (e.g. V24C24C150BL)
24V Micro Family Rev 6.6
Page 8 of 15 03/2019
24V Input
Module-Specific Operating Specifications (Cont.)
Parameter Min Typ Max Unit Notes
Efficiency 86.0 87.1 % Nominal input; 75% load; 25°C
Ripple and noise 32 40 mV P-P; Nominal input; full load; 20MHz bandwidth
Output OVP setpoint 40.4 41.9 43.4 Volts 25°C; recycle input voltage or PC to restart (>100ms off)
Dissipation, standby 3.7 4.3 Watts No load
Load regulation ±0.02 ±0.2 % No load to full load; nominal input
Load current 0 2.78 Amps
Current limit 2.83 3.2 3.76 Amps Output voltage 95% of nominal
Short circuit current 1.94 3.2 3.76 Amps Output voltage <250mV
36VOUT, 100 W (e.g. V24C36C100BL)
Parameter Min Typ Max Unit Notes
Efficiency 84.0 84.9 % Nominal input; 75% load; 25°C
Ripple and noise 27 34 mV P-P; Nominal input; full load; 20MHz bandwidth
Output OVP setpoint 40.4 41.9 43.4 Volts 25°C; recycle input voltage or PC to restart (>100ms off)
Dissipation, standby 1.8 2.3 Watts No load
Load regulation ±0.02 ±0.2 % No load to full load; nominal input
Load current 0 1.39 Amps
Current limit 1.41 1.6 1.88 Amps Output voltage 95% of nominal
Short circuit current 0.97 1.6 1.88 Amps Output voltage <250mV
36VOUT, 50 W (e.g. V24C36C50BL)
Parameter Min Typ Max Unit Notes
Efficiency 88.0 89.0 % Nominal input; 75% load; 25°C
Ripple and noise 85 107 mV P-P; Nominal input; full load; 20MHz bandwidth
Output OVP setpoint 31.5 32.7 33.9 Volts 25°C; recycle input voltage or PC to restart (>100ms off)
Dissipation, standby 3.3 5 Watts No load
Load regulation ±0.02 ±0.2 % No load to full load; nominal input
Load current 0 3.57 Amps
Current limit 3.64 4.12 5 Amps Output voltage 95% of nominal
Short circuit current 0.5 4.12 5 Amps Output voltage <250mV
28VOUT, 100 W (e.g. V24C28C100BL)
Parameter Min Typ Max Unit Notes
Efficiency 87.5 89.0 % Nominal input; 75% load; 25°C
Ripple and noise 80 100 mV P-P; Nominal input; full load; 20MHz bandwidth
Output OVP setpoint 31.5 32.7 33.9 Volts 25°C; recycle input voltage or PC to restart (>100ms off)
Dissipation, standby 1.8 2.7 Watts No load
Load regulation ±0.02 ±0.2 % No load to full load; nominal input
Load current 0 1.78 Amps
Current limit 1.82 2.06 2.42 Amps Output voltage 95% of nominal
Short circuit current 1.25 2.06 2.42 Amps Output voltage <250mV
28VOUT, 50 W (e.g. V24C28C50BL)
24V Micro Family Rev 6.6
Page 9 of 15 03/2019
24V Input
Parameter Min Typ Max Unit Notes
Efficiency 86.0 87.2 % Nominal input; 75% load; 25°C
Ripple and noise 120 150 mV P-P; Nominal input; full load; 20MHz bandwidth
Output OVP setpoint 53.7 55.7 57.7 Volts 25°C; recycle input voltage or PC to restart (>100ms off)
Dissipation, standby 2.1 3 Watts No load
Load regulation ±0.02 ±0.2 % No load to full load; nominal input
Load current 0 1.04 Amps
Current limit 1.06 1.2 1.41 Amps Output voltage 95% of nominal
Short circuit current 0.72 1.2 1.66 Amps Output voltage <250mV
48VOUT, 50 W (e.g. V24C48C50BL)
Parameter Min Typ Max Unit Notes
Efficiency 86.2 87.7 % Nominal input; 75% load; 25°C
Ripple and noise 100 125 mV P-P; Nominal input; full load; 20MHz bandwidth
Output OVP setpoint 53.7 55.7 57.7 Volts 25°C; recycle input voltage or PC to restart (>100ms off)
Dissipation, standby 3 5 Watts No load
Load regulation ±0.02 ±0.2 % No load to full load; nominal input
Load current 0 2.08 Amps
Current limit 2.12 2.4 2.81 Amps Output voltage 95% of nominal
Short circuit current 1.46 2.4 2.81 Amps Output voltage <250mV
48VOUT, 100 W (e.g. V24C48C100BL)
Parameter Min Typ Max Unit Notes
Efficiency 87.9 88.9 % Nominal input; 75% load; 25°C
Ripple and noise 100 150 mV P-P Nominal input full load 20MHz bandwidth
Output OVP setpoint 53.8 55.7 57.6 Volts 25°C; recycle input voltage or PC to restart (>100ms off)
Dissipation, standby 3.7 5.7 Watts No load
Load regulation ±0.02 ±0.2 % No load to full load nominal input
Load current 0.0 3.1 Amps
Current limit 3.2 3.8 4.2 Amps Output voltage 95% of nominal
Short circuit current 2.2 3.8 4.2 Amps Output voltage <250mV
48VOUT, 150 W (e.g. V24C48C150BL)
Module-Specific Operating Specifications (Cont.)
24V Micro Family Rev 6.6
Page 10 of 15 03/2019
24V Input
+IN
PC
PR
–IN
+OUT
SC
–OUT
C3*
4.7nF
C2*
4.7nF
For C1 – C5, keep leads and connections short.
C5*
4.7nF
C4*
4.7nF
F1*
C1*
0.2µF
Figure 1 — Basic module operation requires fusing, grounding, bypassing capacitors.* See Maxi, Mini, Micro Design Guide.
Basic Module Operation
Comprehensive Online Application Information The Design Guide and Applications Manual includes:
Application circuits
Design requirements
EMC considerations
Current sharing in power arrays
Thermal performance information
Recommended soldering methods
Accessory modules – filtering, rectification, front-ends
Mounting options
...and more.
Also at vicorpower.com
PowerBench online configurators
Over 20 Application Notes
Online calculators – thermal, trimming, hold-up
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DESIGN GUIDE
Output Connections and Considerations
The permissible load current must never be exceeded during
normal, abnormal or test conditions. Converters subject to dynamic
loading exceeding 25% of rated current must be reviewed by
Vicor Applications Engineering to ensure that the converter will
operate properly.
Under dynamic-load, light-load or no-load conditions, the converter
may emit audible noise. Converters that utilize remote sense may
require compensation circuitry to offset the phase lag caused
by the external output leads and load impedance. If an external
remote-sense circuit is used, the remote-sense leads must be
protected for conditions such as lead reversal, noise pickup, open
circuit or excessive output lead resistance between the sense
point and the converters output terminals. For applications that
may draw more than the rated current, a fast acting electronic
circuit breaker must be utilized to protect the converter. Under
no circumstance should the rated current be exceeded. Utilizing
or testing of current limit or short circuit current will damage the
converter. Ensure that the total output capacitance connected to
the converter does not exceed the limits on Page 16, “Maximum
Output Capacitance”, of the design guide.
24V Micro Family Rev 6.6
Page 11 of 15 03/2019
24V Input
Module Enable/Disable
The module may be disabled by pulling PC to 0V (2.3V max) with
respect to the –Input. This may be done with an open collector
transistor, relay, or optocoupler. Converters may be disabled with a
single transistor or relay either directly or via “OR’ing” diodes for 2
or more converters. See Figure 2.
Primary Auxiliary Supply
During normal operation only, the PC Pin can source 5.7V
@ 1.5mA. In the example shown in Figure 4, PC powers a
module enabled LED.
Module Alarm
The module contains “watchdog” circuitry which monitors input
voltage, operating temperature and internal operating parameters.
In the event that any of these parameters are outside of their
allowable operating range, the module will shut down and PC will
go low. PC will periodically go high and the module will check to
see if the fault (as an example, Input Undervoltage) has cleared.
If the fault has not been cleared, PC will go low again and the
cycle will restart. The SC pin will go low in the event of a fault
and return to its normal state after the fault has been cleared. See
Figures 3 and 5.
Disable
Disable = PC < 2.3V
+OUT
SC
–OUT
+IN
PC
PR
–IN
Figure 2 Module enable/disable
Input Undervoltage
Input Overvoltage
Over Temperature
Module Faults
2 – 20ms typ.
f(VIN)
Auto
Restart
5.7VDC
(0 – 3mA)
50Ω
SW2 SW3
1.23
VDC
6kΩ
1kΩ
SW1
SW1, 2, & 3 shown
in "Fault" position
+OUT
SC
–OUT
+IN
PC
PR
–IN
1MΩ
Figure 3 PC/SC module alarm logic
Figure 4 LED on-state indicator
4kΩ
"Module
Enabled"
+OUT
SC
–OUT
+IN
PC
PR
–IN 2-20ms typ.
Fault
SC
PC
1.23V
5.7V
40µs typ.
Figure 5 PC/SC module alarm timing
Optocoupler
+OUT
SC
–OUT
+IN
PC
PR
–IN
4k Alarm
1.00V
+OUT
SC
–OUT
+IN
PC
PR
–IN
Comparator
Figure 6 Isolated on-state indicator Figure 7 Secondary-side on-state indicator
Primary Control – PC Pin
24V Micro Family Rev 6.6
Page 12 of 15 03/2019
24V Input
Secondary Control – SC Pin
Output Voltage Programming
The output voltage of the converter can be adjusted or
programmed via fixed resistors, potentiometers or voltage
DACs. See Figure 8.
Trim Down
1. This converter is not a constant-power device – it has a
constant current limit. Hence, available output power is
reduced by the same percentage that output voltage is
trimmed down. Do not exceed maximum rated output current.
2. The trim-down resistor must be connected between the SC
and –S pins. Do not bypass the SC pin directly with a capacitor.
Trim Up
1. The converter is rated for a maximum delivered power. To
ensure that maximum rated power is not exceeded, reduce
maximum output current by the same percentage increase in
output voltage.
2. The trim-up resistor must be connected between the SC and
+S pins. Do not bypass the SC pin directly with a capacitor.
3. Do not trim the converter above maximum trim range (typically
+10%) or the output over voltage protection circuitry may
be activated.
Parallel Bus – PR Pin
Parallel Operation
The PR pin supports paralleling for increased power with N+1
(N+M) redundancy. Modules of the same input voltage, output
voltage, and power level will current share if all PR pins are
suitably interfaced.
Compatible interface architectures include the following:
AC-coupled single-wire interface. All PR pins are connected to a
single communication bus through 0.001µF (500V) capacitors. This
interface supports current sharing and is fault tolerant except for
the communication bus. Up to three converters may be paralleled
by this method. See Figure 9.
Transformer-coupled interface. For paralleling four or more
converters a transformer-coupled interface is required, and under
certain conditions a PR buffer circuit.
For details on parallel operation please refer to the
Design Guide & Applications Manual for Maxi, Mini, Micro Family.
Figure 8 — Output voltage trim-down and trim-up circuit
Load
RD
Trim Down
Error
Amp
1kΩ
1.23V
0.033μF
+OUT
SC
–OUT
+IN
PC
PR
–IN
1,000VOUT
VNOM – VOUT
RD (Ω) =
1,000 (VOUT – 1.23) VNOM
1.23 (VOUT – VNOM)
RU (Ω) = – 1,000
RU
Trim Up
Trim resistor values calculated automatically:
On-line calculators for trim resistor values are available on
the vicor website at:
asp.vicorpower.com/calculators/calculators.asp?calc=1
Resistor values can be calculated for fixed trim up, fixed
trim down and for variable trim up or down.
Figure 9 — AC-coupled single-wire interface
* See Maxi, Mini, Micro Design Guide
+IN
PC
PR
–IN
+IN
PC
PR
–IN
Module 2
Module 1
+
Parallel
Bus
0.2µF
0.001µF
0.2µF
0.001µF
Low inductance
ground plane
or bus
4.7nF
4.7nF
4.7nF
4.7nF
R1*
R1*
+IN
PC
PR
–IN
+IN
PC
PR
–IN
Module 2
Module 1
T1
T2
+
0.2µF
0.2µF
Parallel
Bus
4.7nF
4.7nF
4.7nF
4.7nF
R1*
R1*
Figure 10 — Transformer-coupled interface
Number of Converters in Parallel *R1 value Ω
275
350
433
5 or more refer to application note:
Designing High-Power Arrays
using Maxi, Mini, Micro
Family DC-DC Converters
24V Micro Family Rev 6.6
Page 13 of 15 03/2019
24V Input
+
+
R1
R2 U1 R3
2.55 k
R4
R5
1.00k
U2
TLV431
C1
R7 21.0k
C2
0.22µF
R8
4.02k
C3
R9
R10
1.24k
U3
LM10
+S
–S
+OUT
SC
–OUT
R Load
PS2701
R11
36.5kR6
1.65k 470pF 200mV
Vcc
Gnd
*See Component Selection section below.
*
*
**
*
+OUT
SC
–OUT
L
O
A
D
Plane
Ground
Plane
Module #1
Designated
Master
Module #2
trimmed
down 2%
Module #3
trimmed
down 4%
+OUT
SC
–OUT
+OUT
SC
–OUT
The +OUT and –OUT
power buses should be
designed to minimize
and balance parasitic
impedance from each
module output to the
load.
• At the discretion of the
power system designer,
a subset of all modules
within an array may be
configured as slaves by
connecting SC
to –OUT.
• Do not use output
OR’ing diodes with
MicroMods.
• This module is designed for point-of-load regulation, where remote sensing is
not required. Active voltage drop compensator, as shown here, may be used
in applications with significant distribution losses.
Please consult with the Micro Family Isolated Remote Sense Application Note
for additional information.
Figure 12 — Voltage-drop compensation
Figure 11 — N+1 module array output connections
Designator Description Finish Notes
(None) Short Tin/Lead Requires in-board, mounting
L Long Tin/Lead On-board mounting for 0.065” boards
S Short ModuMate Gold SurfMate or in-board socket mounting
N Long ModuMate Gold On-board socket mounting
F Short RoHS Gold Select for RoHS compliant in-board solder, socket, or SurfMate mounting
G Long RoHS Gold Select for RoHS compliant on-board solder or socket mounting
K Extra Long RoHS Gold Select for RoHS compliance on-board mounting for thicker PCBs
(not intended for socket or Surfmate mounting)
* Pin style designator follows the “B” after the output power and precedes the baseplate designator.
Ex.
V24C12T100BN2
— Long ModuMate Pins
Pin Styles*
Parallel Bus / Voltage Drop Compensation
Storage
Vicor products, when not installed in customer units, should be stored in ESD safe packaging in accordance with ANSI/ESD S20.20,
“Protection of Electrical and Electronic Parts, Assemblies and Equipment” and should be maintained in a temperature controlled factory/
warehouse environment not exposed to outside elements controlled between the temperature ranges of 15°C and 38°C. Humidity shall not
be condensing, no minimum humidity when stored in an ESD compliant package.
24V Micro Family Rev 6.6
Page 14 of 15 03/2019
24V Input
PINS STYLES
SOLDER:TIN/LEAD PLATED
MODUMAT E: GOLD PLATED COPPER
RoHS: GOLD PLATED COPPER
ALUMINUM
BASEPLATE
23
6
1
7
4
5
PLATED
THRU HOLE
DIA
±0,08
*DENOTES TOL =
0.133
3,38
1.734**
44,04
.400*
10,16
1.090**
27,69
0.145*
3,68
0.800*
20,32
0.525*
13,34
0.275*
6,99
2.000*
50,80
0.06
1,5
R (4X)
INBOARD
SOLDER
MOUNT
SHORT PIN STYLE
0.094 ±0.003
2,39 ±0,08
0.45
11,5
ALL MARKINGS
THIS SURFACE
(7X)
**PCB WINDOW
PCB THICKNESS 0.062 ±0.010
1,57 ±0,25
SURFACE MOUNT
SOCKET
N/A
0.183 ±0.003
4,65 ±0,08
0.56
14,2
0.46
11,7
SOCKETS
0.080" DIA PINS (7X)
P/N 13632 (100 pcs.)
P/N 16023 (7 pc. kit)
SOCKET HEADERS
(SURFACE MOUNT)
KIT INCLUDES
INPUT & OUTPUT
P/N 16025
INBOARD
SOCKET
MOUNT
ONBOARD
SOCKET
SURFACE MOUNT
0.53
13,5
ONBOARD
SOLDER
MOUNT
LONG PIN STYLE
0.094 ±0.003
2,39 ±0,08
±0.003
PINS STYLES
SOLDER:TIN/LEAD PLATED
MODUMAT E: GOLD PLATED COPPER
RoHS: GOLD PLATED COPPER
ALUMINUM
BASEPLATE
23
6
1
7
4
5
PLATED
THRU HOLE
DIA
±0,08
*DENOTES TOL =
0.133
3,38
1.734**
44,04
.400*
10,16
1.090**
27,69
0.145*
3,68
0.800*
20,32
0.525*
13,34
0.275*
6,99
2.000*
50,80
0.06
1,5
R (4X)
INBOARD
SOLDER
MOUNT
SHORT PIN STYLE
0.094 ±0.003
2,39 ±0,08
0.45
11,5
ALL MARKINGS
THIS SURFACE
(7X)
**PCB WINDOW
PCB THICKNESS 0.062 ±0.010
1,57 ±0,25
SURFACE MOUNT
SOCKET
N/A
0.183 ±0.003
4,65 ±0,08
0.56
14,2
0.46
11,7
SOCKETS
0.080" DIA PINS (7X)
P/N 13632 (100 pcs.)
P/N 16023 (7 pc. kit)
SOCKET HEADERS
(SURFACE MOUNT)
KIT INCLUDES
INPUT & OUTPUT
P/N 16025
INBOARD
SOCKET
MOUNT
ONBOARD
SOCKET
SURFACE MOUNT
0.53
13,5
ONBOARD
SOLDER
MOUNT
LONG PIN STYLE
0.094 ±0.003
2,39 ±0,08
±0.003
For Soldering Methods and Procedures
Please refer to:
The Maxi, Mini Micro Design Guide.
SLOTTED BASEPLATE
Figure 13 — Module outline
Figure 14 — PCB mounting specifications
Mechanical Drawings
Converter Pins
No. Function Label
1 +IN +
2 Primary PC
Control
3 Parallel PR
4 IN
5 OUT
6 Secondary SC
Control
7 +OUT +
Unless otherwise specified,
dimensions are in inches
mm
Decimals Tol. Angles
0.XX ±0.01
±0.25 ±1°
0.XXX ±0.005
±0.127
2. DIMENSIONS AND VALUES IN BRACKETS ARE METRIC
3. MANUFACTURING CONTROL IS IN PLACE TO ENSURE THAT THE SPACING
BETWEEN THE MODULES LABEL SURFACE TO THE PRINTED CIRCUIT BOARD
OF THE APPLICATION RANGES FROM DIRECT CONTACT (ZERO), TO THE
MAXIMUM GAP AS CALCULATED FROM THE TOLERANCE STACK-UP
AND IS NOT SUBJECT NEGATIVE TOLERANCE ACCUMULATION
24V Micro Family Rev 6.6
Page 15 of 15 03/2019
24V Input
Contact Us: http://www.vicorpower.com/contact-us
Vicor Corporation
25 Frontage Road
Andover, MA, USA 01810
Tel: 800-735-6200
Fax: 978-475-6715
www.vicorpower.com
email
Customer Service: custserv@vicorpower.com
Technical Support: apps@vicorpower.com
Vicor’s comprehensive line of power solutions includes high density AC-DC and DC-DC modules and
accessory components, fully configurable AC-DC and DC-DC power supplies, and complete custom
power systems.
Information furnished by Vicor is believed to be accurate and reliable. However, no responsibility is assumed by Vicor for its use. Vicor
makes no representations or warranties with respect to the accuracy or completeness of the contents of this publication. Vicor reserves
the right to make changes to any products, specifications, and product descriptions at any time without notice. Information published by
Vicor has been checked and is believed to be accurate at the time it was printed; however, Vicor assumes no responsibility for inaccuracies.
Testing and other quality controls are used to the extent Vicor deems necessary to support Vicor’s product warranty. Except where
mandated by government requirements, testing of all parameters of each product is not necessarily performed.
Specifications are subject to change without notice.
Visit http://www.vicorpower.com/dc-dc-converters-board-mount/high-density-dc-dc-converters for the latest product information.
Vicor’s Standard Terms and Conditions and Product Warranty
All sales are subject to Vicor’s Standard Terms and Conditions of Sale, and Product Warranty which are available on Vicor’s webpage
(http://www.vicorpower.com/termsconditionswarranty) or upon request.
Life Support Policy
VICOR’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE
EXPRESS PRIOR WRITTEN APPROVAL OF THE CHIEF EXECUTIVE OFFICER AND GENERAL COUNSEL OF VICOR CORPORATION. As used
herein, life support devices or systems are devices which (a) are intended for surgical implant into the body, or (b) support or sustain life and
whose failure to perform when properly used in accordance with instructions for use provided in the labeling can be reasonably expected to
result in a significant injury to the user. A critical component is any component in a life support device or system whose failure to perform
can be reasonably expected to cause the failure of the life support device or system or to affect its safety or effectiveness. Per Vicor Terms
and Conditions of Sale, the user of Vicor products and components in life support applications assumes all risks of such use and indemnifies
Vicor against all liability and damages.
Intellectual Property Notice
Vicor and its subsidiaries own Intellectual Property (including issued U.S. and Foreign Patents and pending patent applications) relating to the
products described in this data sheet. No license, whether express, implied, or arising by estoppel or otherwise, to any intellectual property
rights is granted by this document. Interested parties should contact Vicor’s Intellectual Property Department.
©2019 Vicor Corporation. All rights reserved. The Vicor name is a registered trademark of Vicor Corporation.
All other trademarks, product names, logos and brands are property of their respective owners.

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