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

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)

• Self start function