LM3445 Datasheet (Texas Instruments) - TRIAC Dimmable Offline LED Driver

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