L9466 Datasheet, PDF (1/11 Pages) STMicroelectronics – Car alternator voltage regulator

L9466
Car alternator voltage regulator
Features
■ For air and liquid cooled applications
■ DF output (inverted field monitor)
■ Thermal protection
■ FIeld driver, lamp driver, relay driver, and DF
(field monitor) short circuit protected
■ Load response control
■ Single phase autostart
Multiwatt8
Description
The L9466 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.
Table 1.
Device summary
Order code
L9466N
Package
Multiwatt8
Packing
Tube
October 2008
Rev 2
1/11
www.st.com
11