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L9911V Datasheet, PDF (1/19 Pages) STMicroelectronics – Car alternator multifunction smart voltage regulator
L9911
Car alternator multifunction smart voltage regulator
Features
■ Fully monolithic design
■ High side field driver
■ Thermal protection
■ Field short circuit protection
■ Protected diagnostic lamp driver
■ Protected high side relay driver
■ Complex diagnostics
■ Load response control
■ DFM output (field monitor)
Description
The L9911 is a monolithic multifunction alternator
voltage regulator intended for use in automotive
application.
Table 1. Device summary
Order code
Temp. range, °C
L9911F
L9911I
L9911P
L9911V
Tj = -40 to +150
L9911K
L9911U
Datasheet  production data
'!0'03
Multiwatt8
It includes the control section, the field power
stage, fault diagnostic circuit which drives a
warning lamp, and the protection against short
circuits.
Package
Packing
Multiwatt8
Tube
September 2013
This is information on a product in full production.
Doc ID10990 Rev 12
1/19
www.st.com
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