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USL3631 Datasheet Non-isolated Buck Offline Led Driver

Manufacturer: Unisonic Technologies

Overview: UNISONIC TECHNOLOGIES CO., LTD USL3631 Preliminary LINEAR INTEGRATED CIRCUIT NON-ISOLATED BUCK OFFLINE LED DRIVER.

General Description

The UTC USL3631 is a high performance, high precision and low cost constant current LED driver for non-isolated buck application.

The device operates in critical conduction mode and is suitable for 85V~265V universal input offline LED lighting.

It operates in critical conduction mode, the output current does not change with the inductance and LED output voltage.

Key Features

  • S.
  • Critical conduction mode operation.
  • Internal 600V Power MOSFET.
  • Ultra low operating current.
  • No auxiliary winding.
  • ±5% LED output current accuracy.
  • LED short protection.
  • LED open protection.
  • VCC under voltage protection.
  • Current sensing resistor short protection.
  • Thermal regulation function.

More Datasheets from Unisonic Technologies

Part Number Description
USL3633 NON-ISOLATED BUCK OFFLINE LED DRIVER
USL1601 CONSTANT CURRENT CONTROLLER
USL1650 HIGH EFFICIENCY PWM BUCK LED DRIVER CONTROLLER

USL3631 Distributor