L9911
Features
- Fully monolithic design
- High side field driver
- Thermal protection
- Field short circuit protection
- Protected diagnostic lamp driver
- Protected high side relay driver
- plex diagnostics
- Load response control
- DFM output (field monitor)
- Self start function
Description
The L9911 is a monolithic multifunction alternator voltage regulator intended for use in automotive application.
It includes the control section, the field power stage, fault diagnostic circuit which drives a warning lamp, and the protection against short circuits
Order code
L9911F L9911I L9911P L9911V L9911K L9911U
Table 1. Device summary
Temp. range, °C
Package
Tj = -40 to +150
Multiwatt8
Packing Tube
September 2015
This is information on a product in full production.
Doc ID10990 Rev 13
1/20
.st.
Contents
Contents
1 Circuit operation
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- - . . . . 5 1.1 Voltage regulation
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