UL22 - LED DRIVER CONTROLLER

Product Overview

UTC

Part number	UL22
Manufacturer	UTC
File Size	404.96 KB
Description	LED DRIVER CONTROLLER
Datasheet	UL22 Datasheet
Additional preview pages of the UL22 datasheet.

Featured Device, UTC UL22, is a PWM controller with innovative Free-DimmingTM technology.

The controller drives one of the two strings of LEDs by an ON/OFF AC wall switch and provides a cost effective solution for light control.

It supports power-factor-correction function in applications.

S.
Free-DimmingTM technology.
Proprietary technology using ON/OFF wall switch to select one of the two LED channels.
Supports high-side Buck, Buck-Boost and Flyback topologies.
High power factor with Discontinue-Current-Mode (DCM) control.
Low start-up current and operating current to maximize conversion efficiency.
Under-voltage lockout (UVLO) with hysteresis.
Provides complete protection functions -Maximum gate driver output clamp 　-VDD pin Over-Voltage Prote.

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Published: Apr 21, 2020 |