UNISONIC TECHNOLOGIES CO., LTD

UC4107

Preliminary

CMOS IC

www.unisonic.com.tw

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Copyright © 2017 Unisonic Technologies Co., Ltd

QW-R125-055.b

TWO-STAGE HYSTERETIC LED

DRIVER CONTROLLER



DESCRIPTION

The UTC UC4107 is a two-stage controller with dual gate

drivers consist of a Boost converter and a Buck converter. The

advantage of the two-stage topology is highly compatible with

Electronic Transformer in MR16/AR111 lighting market field

applications.

The UTC UC4107 is equipped with dual output gate drivers for

external power MOSFETs, suitable for higher power applications.



FEATURES

* Topology: Boost+Buck

* Input Voltage Range: 4.5V~40V

* Adjustable Peak Input Current Control

* Adjustable Boost Output Voltage

* Independent Dual Stage Function

* Adjustable LED Current

* LED Current Accuracy: ±5%

* Input Under Voltage Lockout Detection

* Thermal Shutdown Protection

SOP-8

HSOP-8

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ORDERING INFORMATION

Ordering Number

Lead Free

Halogen Free

Package

Packing

UC4107L-S08-R

UC4107G-S08-R

SOP-8

Tape Reel

UC4107L-SH2-R

UC4107G-SH2-R

HSOP-8

Tape Reel

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MARKING