L9305QFP-TR

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L9305QFP-TR 数据手册

L9305A

DUAL HIGH CURRENT RELAY DRIVER

HIGH OUTPUT CURRENT

HYSTERESIS INPUT COMPARATOR WITH

WIDE RANGE COMMON MODE OPERATION

AND GROUND COMPATIBLE INPUTS

INPUT COMPARATOR HYSTERESIS

INTERNAL THERMAL PROTECTION WITH

HYSTERESIS

INTERNAL OUTPUT OVERVOLTAGECLAMP-

ING

SINGLE SUPPLY VOLTAGE (3.5V up to 18V)

Powerdip (8 + 8)

ORDERING NUMBER : L9305A

DESCRIPTION

A built in thermal shut-downswitches off the device

whentheIC’sinternaldissipationbecomestoogreat

and the chip temperature exceeds a set security

threshold.

The L9305A is a monolithic interface circuit with dif-

ferentialinput comparatorandopen collectoroutput

able to sink high current specifically to drive relays,

lamps, d.c. motors.

A hysteresis input comparatorincreases the interfa-

ce’s noise immunity, allowing the correctuse also in

critical environmentsas automotive or industrialap-

plications.

Particular care has been taken to protectthe device

against destructive failures - short circuit of outputs

to V_S, output overvoltages,supply overvoltage.

BLOCK DIAGRAM

1/6

January 1992

This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.

12 3 4 5 6

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