This is information on a product in full production.

June 2016

DocID029462 Rev 1

1/14

L9408F

Automotive multifunction smart alternator regulator

Datasheet

- production data

Features

 AEC-Q100 qualified

 Fully monolithic design

 Low 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 L9408F is a monolithic multifunction

alternator voltage regulator.

It includes the control section, the field power

stage, fault diagnostic circuit which drives a

warning lamp.

DIE

Table 1. Device summary

Order code

Package

Packing

L9408FDIETR

DIE

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