USL3531 Datasheet (UTC) - NON-ISOLATED BUCK OFFLINE LED DRIVER

USL3531, NON-ISOLATED BUCK OFFLINE LED DRIVER

The UTC USL3531 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 cu

USL3531 Features

* Critical conduction mode operation

* Internal 500V 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 p