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12.6 W Dimmable LED Driver Using LYT4313E

12.6 W Dimmable LED Driver Using LYT4313E

The document describes an isolated high power factor (PF) TRIAC dimmable LED driver designed to drive an LED string voltage of 34 V at 370 mA from an input voltage range of 90 VAC to 132 VAC. The LED driver utilizes the LYT4313E from the LYTSwitch family of ICs. The topology used is a single-stage power factor corrected flyback that delivers high efficiency, high power factor, low THD, isolation, low component count, and dimming performance required for this design.

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