DESCRIPTION

The L9484 is a monolithic multifunction generator Voltage regulator intended for use in automotive charging applications.

This All Silicon Voltage Regulator regulates the output of an automotive generator by controlling the field winding current by means of a variable frequency PWM high side driver.

FEATURES

■ 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

■ THERMAL PROTECTION

■ FIELD DRIVER, LAMP DRIVER, RELAY DRIVER, AND DF (FIELD MONITOR) SHORT CIRCUIT PROTECTED

■ LOAD RESPONSE CONTROL

■ SINGLE PHASE AUTOSTART