Triacs are bidirectional ac switches that can control loads with currents as high as 25A rms at voltages as high as 600V. They find wide use in motor-speed, heater, and incandescent-lamp controls.
This is a design example report of a 8.8 W, high efficiency, high power factor, TRIAC dimmable, non-isolated buck LED driver employing LYTSwitch™-4 LYT4321E intended to drive a nominal LED string ...
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