LM3445 - TRIAC Dimmable Offline LED Driver
The LM3445 is an adaptive constant off-time AC/DC buck (step-down) constant current controller designed to be compatible with TRIAC dimmers.
The LM3445 provides a constant current for illuminating high power LEDs and includes a TRIAC dim decoder.
The dim decoder allows wide range LED dimming using s
LM3445 Features
* 1 TRIAC Dim Decoder Circuit for LED Dimming
* Application Voltage Range 80 VAC to 277 VAC
* Capable of Controlling LED Currents Greater Than 1 A
* Adjustable Switching Frequency
* Low Quiescent Current
* Adaptive Programmable Off-Time Allows for Const