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.
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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
