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hello friends , well in this post i seek help regarding half bridge smps . I have salvaged some er33c cores .and i cannot find anything regarding them on the net all i can find is ei 33 core , but my core does not look like them , it look more like etd 34 core . primary turns are around...

hello friend , i am just learning about smps , so i want to know the difference between these three topologies , when driving the gate transformer what are differences , what are benefit what are demerits ? here is the attachment , , and also the difference between driving these ...