同步整流采用自驱动式.
现做一款5V/20A的电源,在10A时,同步整流的效率才74%,用二极管也一样.
同步整流管选用的时100V/100A的管子.
开关管,整流管GC,续流管GC的波形附上(第一次做,波形好像没问题)
请问名位大侠:问题出在哪呢?是波形不对还是管子选项的不对还是环路有问题还是什么别的问题?
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