Buck Regulator Positive Output Step-Down DC-DC Controller IC 20-WQFN (3x3)
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RT6543BGQW

DigiKey Part Number
1028-RT6543BGQWTR-ND - Tape & Reel (TR)
1028-RT6543BGQWCT-ND - Cut Tape (CT)
1028-RT6543BGQWDKR-ND - Digi-Reel®
Manufacturer
Richtek USA Inc.
Manufacturer Product Number
RT6543BGQW
Description
IC REG CTRLR BUCK PWM WQFN-20
Manufacturer Standard Lead Time
13 Weeks
Customer Reference
Detailed Description
Buck Regulator Positive Output Step-Down DC-DC Controller IC 20-WQFN (3x3)
Datasheet
 Datasheet
Product Attributes
Type
Description
Select All
Category
Manufacturer
Richtek USA Inc.
Series
-
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Part Status
Active
Output Type
Transistor Driver
Function
Step-Down
Output Configuration
Positive
Topology
Buck
Number of Outputs
1
Output Phases
1
Voltage - Supply (Vcc/Vdd)
3V ~ 24V
Frequency - Switching
400kHz, 600kHz, 800kHz
Duty Cycle (Max)
-
Synchronous Rectifier
Yes
Clock Sync
No
Serial Interfaces
-
Control Features
Current Limit, Dead Time Control, Enable, Frequency Control, Phase Control, Power Good, Soft Start
Operating Temperature
-40°C ~ 125°C (TJ)
Mounting Type
Surface Mount
Package / Case
20-WFQFN Exposed Pad
Supplier Device Package
20-WQFN (3x3)
Base Product Number
RT6543
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In-Stock: 5,819
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Quantity
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.92000$0.92
10$0.66200$6.62
25$0.59640$14.91
100$0.52460$52.46
250$0.49028$122.57
500$0.46958$234.79
1,000$0.45253$452.53
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000$0.43148$1,294.44
6,000$0.42118$2,527.08
9,000$0.41602$3,744.18
15,000$0.41031$6,154.65
21,000$0.40697$8,546.37
Manufacturers Standard Package