UCL2310

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

2 of 7

www.unisonic.com.tw

QW-R125-061.a

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MARKING

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PIN CONFIGURATION

4

3

2

1

COMP

FB

CS

NC

7

6

5

GND

8

NC

GATE

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PIN DESCRIPTION

PIN No.

PIN NAME

Description

1

COMP

Loop Compensation Node. This pin connects a capacitor to GND for stabilization of the

control loop, achieving accurate LED current, high Power Factor and low THD.

2

FB

Feedback Voltage Input Pin. This pin detects the transformer demagnetization signal and

the output voltage.

3

CS

Current Sense Pin. Connect a resistor to GND to sense the power MOSFET current.

4,7

NC

No Connect

5

GATE

Gate Driver Pin. Connect this pin to the gate of external power MOSFET.

6

Power Supply Pin. Connect a bypass capacitor from this pin to GND

8

GND

Ground.

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BLOCK DIAGRAM