用UCC28600D 做的60W 适配器,输出19.4v,电流3A,满载的时候,发现电压跌的厉害,为18V,改变反馈有改善,但是没办法调到最优化。431那边为RCC补偿方式,原边就是一个220pf的电容。调大原边反馈电容有改善,但是还是跌。请问如何调整,或有最优值?谢谢
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