UNISONIC TECHNOLOGIES CO., LTD

ULD3380

Preliminary

LINEAR INTEGRATED CIRCUIT

www.unisonic.com.tw

1 of 4

Copyright © 2014 Unisonic Technologies Co., Ltd

QW-R109.034.b

HIGH EFFICIENCY PWM

BUCK LED DRIVER

CONTROLLER

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DESCRIPTION

The UTC ULD3380 is a PWM mode step-down converter. By

well controlling the external MOSFET and regulating a constant

output current. The output duty cycle of the UTC ULD3380 can

be up to 100% for wider input voltage application.

The UTC ULD3380 is available in a SOT-26 package.

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FEATURES

* Universal input voltage range with off-line topology

* Programmable constant LED current

* Output LED string short protection

* Output LED string open protection

* Dimmable LED current by ACTL

* OCP

* Built-in OTP

SOT-26

4

5

3

2

1

6

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ORDERING INFORMATION

Ordering Number

Package

Packing

Lead Free

Halogen Free

ULD3380L-AG6-R

ULD3380G-AG6-R

SOT-26

Tape Reel

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PIN CONFIGURATION