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L4120 Datasheet 40v/1.2a Integrated Power Led Driver

Manufacturer: Unisonic Technologies

Overview: UNISONIC TECHNOLOGIES CO., LTD L4120 Preliminary 40V/1.2A INTEGRATED POWER LED DRIVER CMOS IC.

General 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 ponents.

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

Key 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.

More Datasheets from Unisonic Technologies

Part Number Description

L4120 Distributor