The document describes an isolated high power factor (PF) TRIAC dimmable LED driver designed to drive a nominal LED string voltage of 41 V at 350 mA from an input voltage range of 90 VAC to 132 VAC.
This is a design example report of a high efficiency, high power factor, 15 W LED driver employing LinkSwitch™-PH LNK417EG. This design features no electrolytic capacitor, clean monotonic start-up, ...
High power LED lighting is harder than it looks. Power, dimming, control, and communication collide in one design.
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