SC4517A 데이터 시트보기 (PDF) - Semtech Corporation

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SC4517A

1.25MHz, 1.5A Step-Down Switching Regulator

Semtech Corporation 

POWER MANAGEMENT

Block Diagram

SC4517A

+

Is

+

SLOPE

+

ISEN

IN

40m

COMP

FB

EN

SYNC

-

EA

+

PWM

SQ

R

BST

POWER

TRANSISTOR

1V

REFERENCE UVLO

OSCILLATOR

0.7V

SLOPE

SLOPE COMP

FREQUENCY

CLK

Is

SOFT START

OL

HICCUP

FB

SW

GND

 2006 Semtech Corp.

6

www.semtech.com

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