L9484 Datasheet, PDF (1/8 Pages) STMicroelectronics – CAR ALTERNATOR VOLTAGE REGULATOR

L9484
CAR ALTERNATOR VOLTAGE REGULATOR
PRODUCT PREVIEW
s FOR AIR AND LIQUID COOLED
APPLICATIONS
s AMBIENT AIR TEMPERATURE
(THERMISTOR) COMPENSATED
s SPECIAL DEFAULT COMPENSATION
CURVE WITH TS-TERMINAL OPEN
s COMPENSATION CURVE WITH
APPLICATION SPECIFIC RESISTOR ON TS
s THERMAL PROTECTION
s FIELD DRIVER, LAMP DRIVER, RELAY
DRIVER, AND DF (FIELD MONITOR) SHORT
CIRCUIT PROTECTED
s LOAD RESPONSE CONTROL
s SINGLE PHASE AUTOSTART
DESCRIPTION
The L9484 is a monolithic multifunction generator
MULTIWATT8
ORDERING NUMBER: L9484
Voltage regulator intended for use in automotive
charging applications. This All Silicon Voltage Regu-
lator regulates the output of an automotive generator
by controlling the field winding current by means of a
variable frequency PWM high side driver.
Figure 1. Typical Application SchematicPIN DESCRIPTION
NTC
4
7
1
8
2
6
3
February 2003
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This is preliminary information on a new product now in development. Details are subject to change without notice.