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L4120 - 40V/1.2A INTEGRATED POWER LED DRIVER

Description

The UTC L4120 is a continuous conduction mode inductive step-down converter, designed for driving single or multiple series connected LEDs.

Using a few external components.

The UTC L3080 has a build-in power switch, based on different input voltage, The UTC L4120 can drive several 1W or 3W LEDs.

Features

  • S.
  • Up to 1.2A output current.
  • High efficiency (up to 97%).
  • Wide input voltage range: 5V~30V.
  • Typical ±5% output current accuracy.
  • Single DIM pin on/off and brightness control using DC voltage or PWM signal.
  • Internal thermal shutdown protection.
  • Adjustable Constant LED Current 1 SOT-89-5.

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Full PDF Text Transcription

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UNISONIC TECHNOLOGIES CO., LTD L4120 Preliminary 40V/1.2A INTEGRATED POWER LED DRIVER CMOS IC „ DESCRIPTION The UTC L4120 is a continuous conduction mode inductive step-down converter, designed for driving single or multiple series connected LEDs. Using a few external components. The UTC L3080 has a build-in power switch, based on different input voltage, The UTC L4120 can drive several 1W or 3W LEDs. The device has the function of thermal shutdown protection and LED short-circuit/open-circuit protection. „ FEATURES * Up to 1.2A output current * High efficiency (up to 97%) * Wide input voltage range: 5V~30V * Typical ±5% output current accuracy * Single DIM pin on/off and brightness control using DC voltage or PWM signal * Internal thermal shutdown protection.
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