STMicroelectronics L9473J
The L9473 is a monolithic multifunction generator Voltage regulator intended for use in automotive c 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 t(s
● Special default compensation curve with TSc terminal open u
● Compensation curve with application specific d resistor on TS ro
● Thermal protection te P
● Field driver, lamp driver, relay driver, and df (field monitor) short circuit protected ole
● Load response control s
● Single phase autostart Multiwatt8 - Ob
DESCRIPTION
t(s) Obsolete Produ Table 1. Device summary Order code L9473J Package Multiwatt8 Packing Tube September 2013 Rev 3 1/10 10 Contents Contents L9473 1 Block diagram and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .