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AP3428 Datasheet(PDF) 3 Page - Diodes Incorporated

Part # AP3428
Description  1.5MHZ, 1A STEP-DOWN DC-DC BUCK CONVERTER
PDF  14 Pages
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Manufacturer  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AP3428 Datasheet(HTML) 3 Page - Diodes Incorporated

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AP3428/A
Document number: DS37417 Rev. 5 - 2
3 of 14
www.diodes.com
May 2021
© Diodes Incorporated
AP3428/A
Functional Block Diagram
LX
GND
Error
Amplifier
FB
EN
PWM
Comparator
Buffer &
Dead Time
Control
Logic
Control
Logic
Current
Sensing
Reverse Inductor
Current Comparator
VIN OVP Comparator
Oscillator
Slope
Compensation
OCP
Comparator
Soft
Start
Bias
Generator
Shutdown
Comparator
Bandgap
Reference
UVLO
VIN
1(3){2}
5(4){6}
2(2){5}
3(5){4}
4(1){3}
(A): TSOT25/TSOT25 (Type SM) for AP3428
(B): TSOT25/TSOT25 (Type SM) for AP3428A
(C): U-DFN2020-6 (Type J)



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