L9686

AUTOMOTIVE DIRECTION INDICATOR

ADVANCE DATA

RELAY DRIVER IN CAR DIRECTION

INDICATORS

FLASH FREQUENCY DOUBLES TO INDI-

CATE LAMP FAILURE

DUMP PROTECTION (

± 80 V)

REVERSE BATTERY PROTECTION

DESCRIPTION

The L9686 is a two frequency oscillator particu-

larly suitable as relay driver for flashing light con-

trol in automotive applications. The circuit may be

also used for other warning lamps like ”handbrake

on” etc. The lamp failure detection is given by

doubling the flash repetition frequency. The

L9686 is supplied in minidip 8-lead and SO8 plas-

tic packages.

This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.

May 1995

BLOCK DIAGRAM

MINIDIP

SO8

ORDERING NUMBERS:

L9686

L9686D

1/7