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LTC1981ES5

Single and Dual Micropower High Side Switch Controllers in SOT-23

Linear Technology 

LTC1981/LTC1982

TYPICAL APPLICATIO

Driving Both High Side and Low Side Switches

VCC

1.8 to 5.0V

VEXT

(30V MAX)

SHDN 1

1

SHDN 1

6

VCC

LTC1982

2

5

GND

GATE 1

3

4

SHDN 2

SHDN 2 GATE 2

10µF

LOW SIDE

LOAD

1k

0.1µF

1k

0.1µF

Q1

Si6954DQ

Q2

Si6954DQ

HIGH SIDE

LOAD

1981/82 • TA03

RELATED PARTS

PART NUMBER

LTC1153/LTC1154

LTC1155/LTC1255

LTC1163/LTC1165

LTC1623

LTC1710

DESCRIPTION

Single High Side Micropower MOSFET Drivers

Dual High Side Micropower MOSFET Drivers

Triple 1.8V to 6V High Side MOSFET Driver

SMBus Dual High Side Switch Controller

SMBus Dual Monolithic High Side Switch

COMMENTS

Circuit Breaker with Auto Reset

Latchoff Current Limit

Three MOSFET Drivers in 8-Lead SO Package

Uses External Switches, Two Three-State Address Pins

Uses Internal Switches, One Three-State Address Pin

8

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408)432-1900 q FAX:(408)434-0507 q www.linear-tech.com

sn19812 19812fs LT/LCG 1200 4K • PRINTED IN USA

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