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© 2006 Semtech Corp.

www.semtech.com

SC339

PRELIMINARY

POWER MANAGEMENT

Pin Descriptions

Notes:

1) Only available in tape and reel packaging. A reel contains 2500

devices.

2) V

3) V

4) Lead-free product. This product is fully WEEE and RoHS

compliant.

Pin Configuration

Ordering Information

Part Number

Package

SC339SKTRT

SOT-23 6 Pin

SC339EVB

Evaluation Board

Pin

Pin Name

Pin Function

1

IN

5V supply

2

GND

Ground

3

EN

Active high enable control - connect to IN if not being used - do not allow to float

4

PGD

Power good signal output for V

OUT

5

ADJ

Regulator sense input - used for sensing the output voltage for power good and

under-voltage and to set the output voltage

6

DRV

Output of regulator - drives the gate of an N-channel MOSFET to maintain V

OUT

set by R1 and R2

Marking Information

1

4

5

6

3

2

DRV

IN

EN

PGD

GND

ADJ

Top View

(SOT-23 6L)

Marking for SOT23, 6 lead package:

yyww = Datecode (Example: E652)