© 2000 SEMTECH CORP.

652 MITCHELL ROAD NEWBURY PARK CA 91320

SHUNT REGULATOR WITH OPEN

COLLECTOR OR OUTPUT

SC4431

PRELIMINARY - September 11, 2000

4

PIN DESCRIPTION

Pin

Pin Name Pin Function

1

VCC

This is the input supply pin for the IC.

2

GND

Logic and power ground.

3

NC

No connection.

4

REF

This is connected to the non-inverting input of the error amplifier.

5

OUT

This is the output pin of the device, essentially an open collector.

BLOCK DIAGRAM

PIN CONFIGURATION

SOT-23 -5 Lead (Top View)