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ST Microelectronics - (L9307 / L9309) Dual High Current Low Side Driver

Numéro de référence L9307
Description (L9307 / L9309) Dual High Current Low Side Driver
Fabricant ST Microelectronics 
Logo ST Microelectronics 





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L9307 fiche technique
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L9307
L9309
DUAL HIGH CURRENT LOW SIDE DRIVER
HIGH OUTPUT CURRENT
INPUT COMPARATOR WITH WIDE RANGE
COMMON MODE OPERATION AND
GROUND COMPATIBLE INPUTS
INPUT COMPARATOR HYSTERESIS
SHORT CIRCUIT PROTECTION WITH SOA
PROTECTION OF OUTPUT
INTERNAL THERMAL PROTECTION WITH
HYSTERESIS
SINGLE SUPPLY VOLTAGE (3.5 V to 28V)
DESCRIPTION
The L9307/9 is a monolithic integrated circuit with
differential input comparator and open collector
output able to sink high current specially to drive
relays, lamps, d.c. motors.
Particular care has been taken to protect the de-
vice against destructive failures, i.c. short circuit
of outputs to VS, SOA protection, supply overvol-
tage.
A built in thermal shut-down switches off the de-
vice when the IC’s internal dissipation becomes
BLOCK DIAGRAM
Multiwatt 11
SIP 10
ORDERING NUMBERS:
L9307
L9309
too high and the chip temperature exceeds secu-
rity threshold.
The input comparator hysteresis increases the in-
terface’s noise immunity allowing the correct use
critical environments as automotive applications.
This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
October 1990
1/7

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