3

 2003 Semtech Corp.

www.semtech.com

POWER MANAGEMENT

SC4431

Shunt Regulator With

Open Collector Output

Notes: (1) Only available in tape and reel packaging.

(Suffix ‘.TR’ e.g. SC4431CSK-X.TR).

(2) Where “-X” denotes initial reference voltage toler-

ance. Available options are ±0.5% (-.5), ±1% (-1) and

±2% (-2).

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Ordering Information

Pin Configurations

(SOT-23-5 Lead

(SOT-23-5 Lead

(SOT-23-5 Lead

(SOT-23-5 Lead

(TOP VIEW)

(TOP VIEW)

(TOP VIEW)

(TOP VIEW)

(TOP VIEW)

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Pin Descriptions

Block Diagram

Marking Information

4431

Top Mark

Bottom Mark

yyww = Datecode (Example: 9908)

yyww