想用UCC28950参考TI的例子来设计一款48V/62.5A的移相全桥开关电源,原理图在附件。
现在的问题是带载超过40A的话,2分钟就炸机,同步管合功率管全都坏,330V的大电容还有电,可以排除MOSFET直通
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