450W Power Factor Controller with Universal Input Voltage Range

Posted on Feb 7, 2014

This power factor controller accept voltage from 90 to 268 Vac, that`s why we call it power factor controller with universal input, since any standards of mains supply in almost any country would fall within that range. This power factor controller is capable of handling up to 450W load. Here is the schematic diagram of the power factor controller

450W Power Factor Controller with Universal Input Voltage Range
Click here to download the full size of the above Circuit.

circuit: Don`t think this circuit is complex because most of what you see in the schematic diagram is the internal circuitry of MC34262 power factor controller integrated circuit chip. You can replace the IC with MC33262 for higher operating ambient temperature range, -40 to 105 Celsius degree, much better then MC34262 chip that has the ambient operating temperature range of 0-85 Celsius degree.

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