L9484 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'L9484' PDF : 11 Pages View PDF
L9484
Alternator voltage regulator
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
Multiiwatt8
Description
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.
Table 1.
Device summary
Order code
L9484
Package
Multiwatt8
Packing
Tube
September 2013
Rev 4
1/11
www.st.com
11
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