The L9911K 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.
Feature
- 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)
 - Self start function
 






















