UD05124

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LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

3 of 9

www.unisonic.com.tw

QW-R115-038.c

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PIN CONFIGURATION

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PIN DESCRIPTION

PIN NO.

PIN NAME

DESCRIPTION

1

EN

Enable control pin. Pull high to turn the IC on, and pull low to disable the IC. Don’t

leave this pin floating.

2

GND

Ground pin.

3

LX

Power switching node. Connect an external inductor to this switching node.

4

VIN

Power supply input pin. Placed input capacitors as close as possible from VIN to

GND to avoid noise influence.

5

FB

Voltage feedback input pin. Connect FB and VOUT with a resistive voltage divider.

This IC senses feedback voltage via FB and regulates it at 0.6V.

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BLOCK DIAGRAM