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如题,附上初级MOSFET源极电流波形和漏源极电压波形:
满载占空比还这么小?提供完整的电路原理图及参数来看看。
图挂了!
230Vac输入,直流母线电压约300Vdc,100V反射电压占空比25%很正常的。
惨:图确实挂了……
图又好了,问题解决了:换一种TL431解决问题!
买到假货了?否则不至于。