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LM3445 TRIAC Dimmable Offline LED Driver

LM3445 Description

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design LM3445 SNVS570M * JANUARY 2009 The LM3445 is an adaptive constant off-time AC/DC buck (step-down) constant current controller designed to be compatible with TRIAC dimmers.

LM3445 Features

* 1 TRIAC Dim Decoder Circuit for LED Dimming

LM3445 Applications

* Retro Fit TRIAC Dimming
* Solid State Lighting
* Industrial and Commercial Lighting
* Residential Lighting Typical LM3445 LED Driver Application Circuit BR1 TRIAC DIMMER VAC V+ R2 D1 D3 C7 + D4 D9 C10 D8 C9 + Q1 D2 R5 C5 LM3445MM 1 ASNS U1 BLDR 10 R1 2

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TRIAC Dimmable Offline LED Driver Texas Instruments
Texas Instruments LM3445-like datasheet