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L3060 - 30V/500mA HIGH DIMMING RATIO LED CONSTANT CURRENT DRIVER

Description

The UTC L3060 is a continuous conduction mode inductive step-down converter, designed for driving single or multiple series connected LEDs efficiently from a voltage source higher than the total LEDs chain voltage.

Features

  • S.
  • 5V~30V input voltage range.
  • Simple low parts count.
  • Typical ±3% output current accuracy.
  • Up to 500mA output current.
  • Single DIM pin on/off and brightness control using DC voltage or PWM signal.
  • High efficiency up to 97%.
  • Adjustable constant LED current.
  • Protection features: LED open-circuit protection LED short-circuit protection Internal thermal shutdown protection.

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Full PDF Text Transcription

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UNISONIC TECHNOLOGIES CO., LTD L3060 30V/500mA HIGH DIMMING RATIO LED CONSTANT CURRENT DRIVER  DESCRIPTION The UTC L3060 is a continuous conduction mode inductive step-down converter, designed for driving single or multiple series connected LEDs efficiently from a voltage source higher than the total LEDs chain voltage. The device provides an externally adjustable output current of up to 500mA for a single LED. A dedicated DIM pin accepts either a DC voltage (0.5V~2.5V) dimming or a wide range of pulsed dimming. Applying a voltage of 0.3V or lower to the DIM pin turns the output off and switches the device into a low current standby state. The UTC L3060 has a build-in power switch, based on different input voltage, UTC L3060 can drive several 1W or 2W LEDs.
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