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UL24D - LED DRIVER CONTROLLER

General Description

Featured Device, UTC UL24D, is a PWM controller with innovative technology.

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

It supports power-factor-correction function in applications.

Key Features

  • S.
  • Using ON/OFF wall switch to dimming.
  • High power factor for high brightness LEDs.
  • Low start-up current and operating current.
  • Under-voltage lockout (UVLO) with hysteresis.
  • Provides complete protection functions -Maximum gate driver output clamp -VDD pin Over-Voltage Protection -Cycle-by-cycle current limit -LEDs Over-Current Protection -LEDs Open-Loop Protection -LEDs Short-Circuit Protection -Internal Over-Temperature Protection.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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UNISONIC TECHNOLOGIES CO., LTD UL24D Advance LED DRIVER CONTROLLER CMOS IC  DESCRIPTION Featured Device, UTC UL24D, is a PWM controller with innovative technology. The controller drives a strings of LEDs and can be dimming 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 UL24D provides several protection features. It includes a cycle-by-cycle current limit to the power switch; over-current protection at the LED load; VDD over-voltage protection. The controller also features an internal over-temperature protection.