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UL22

Part Number	UL22
Manufacturer	UTC
Description	LED DRIVER CONTROLLER
Published	Apr 21, 2020
Detailed Description	UNISONIC TECHNOLOGIES CO., LTD UL22 Preliminary LED DRIVER CONTROLLER  DESCRIPTION Featured Device, UTC UL22, is a ...
Datasheet	UL22 PDF File

Overview

UNISONIC TECHNOLOGIES CO.
, LTD UL22 Preliminary LED DRIVER CONTROLLER  DESCRIPTION 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.
UTC UL22 provides several protection features.
It includes a cycle-by-cycle current limit to the power switch; over-current protection at the LED load; bias voltage VDD over-voltage protection.
In addition, the driver output (DRV) voltage is clamped for driving the external power MOSFET effectively and safely.
The contr...

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