The L9484 is a monolithic multifunction alternator voltage regulator intended for use in automotive charging applications.L9484 regulates the output of an automotive generator by controlling the field winding current by means of a variable frequency PWM high side driver.
For air and liquid cooled applications
Ambient air temperature (thermistor) compensated
Special default compensation curve with TS-terminal open
Compensation curve with application specific resistor on TS
Field driver, lamp driver, relay driver, and df (field monitor) short circuit protected