APW7057(2008) 데이터 시트보기 (PDF) - Anpec Electronics

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APW7057
(Rev.:2008)

High Power Step-Down Synchronous DC/DC Controller

Anpec Electronics 

APW7057

Block Diagram

VCC

BOOT

UnderVoltage

Lockout

UVLO

0.5V

UVP

Shutdown

Soft-Start

and Fault

Logic

OCP

OC

Comparator

IOCSET

40µA

Soft-Start

FB

- COMP

+

VREF

Error

Amplifier

0.8V

Inhibit

PWM

-+

Gate

Control

VCC

Oscillator

FOSC

300kHz

Figure 1.

OCSET

PHASE

UGATE

LGATE

GND

Copyright © ANPEC Electronics Corp.

5

Rev. A.5 - Jun., 2008

www.anpec.com.tw

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