RT8101 Просмотр технического описания (PDF) - Richtek Technology

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RT8101

12V Synchronous Buck PWM DC-DC

Richtek Technology 

Function Block Diagram

Preliminary

VCC

RT8101/A

Voltage

Reference

Bias Enable Power On

Reset (POR)

5V

Regulator

0.8V

0.4V

+ UV

-

POR

Soft-Start

&

Fault Logic

PH_M

+

-

OC

1.5V

5VDD

30uA

0.4V

21.6k

0.8V

FB

+

+ EA

-

SSE

INHIBIT

SS

PWM

+

+

-

Driver

Logic

Oscillator

COMP

GND

BOOT

UGATE

PHASE

LGATE

DS8101/A-01 March 2007

www.richtek.com

3

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