ThermalRunaway said:Yes it was PWM ICs that I've been looking at, and it's probably the better idea, but Dr.EM's circuit is good from an Electronics Interest point of view, and there's no reason to believe that it'd be no good. I think I'll experiment with it.
Someone Electro said:Esayest way to make a switchmode powersuply is to buy a SMPS controler IC this can be a very small IC like SOT 5 or up to 28 pins.Then you need a external trasnsistor and the proper cirucit around it.All datasheets containg multiple cirucits that use the chip.
A common myth, the diodes aren't used for clamping but to improve the efficiency, and for efficiency's sake you really need to be using a higher frequency >20kHz is best to avoid audiable noise.Dr.EM said:(just 2 antiparallel diodes for clamping)
Hero999 said:A common myth, the diodes aren't used for clamping but to improve the efficiency, and for efficiency's sake you really need to be using a higher frequency >20kHz is best to avoid audiable noise.
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