SC1543 查看數據表（PDF） - Semtech Corporation

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SC1543

400mA/200mA Dual 3.3V Smart Power Switch

Semtech Corporation 

PRELIMINARY - October 9, 2000

BLOCK DIAGRAM

400mA/200mA Dual 3.3V Smart

Power Switch

SC1543

PIN CONFIGURATION

Top View

(MSOP-8)

PIN DESCRIPTION

Pin Pin Name Pin Function

1,2

VIN1 Primary input supply, nominally 3.3V.

3,4

VIN2 Secondary input supply, nominally 3.3V.

5

GND Power and logic ground.

6,7

VOUT 3.3V out.

8

SHDN Shutdown, with internal pull-down. Device is OFF when this pin is High. Leave open if shut-

down feature is not required.

© 2000 SEMTECH CORP.

4

652 MITCHELL ROAD NEWBURY PARK CA 91320

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