LN2543 Datasheet (natlinear) - 85 ~ 265V AC Input LED Constant Current Driver

LN2543, 85 ~ 265V AC Input LED Constant Current Driver

The LN2543 is a high voltage buck control IC for constant LED current regulation.

The LN2543 operates constant off-time mode.

It allow efficient operation of High Brightness (HB) LEDs from voltage sources ranging from 8VDC up to 450VDC or 12VAC~265VAC.

LN2543 is available by SOT23-6 packages.

LN2543 Features

* Switch mode constroller for single switch LED Drivers

* Open loop peak current controller

* Wide Input range from 8VDC~450VDC or 12VAC~265VAC

* Application from a few mA to more than 1A output

* Up to hundreds of LEDs

* Constant off-time operation

* Requires few externa