最近用3842做开关电源,对反激电源的反馈环理解不是太透,
一般资料对于电路反馈,要么只在3842反馈端计算PID参数,
要么只在TL431与PC817电路环节计算PID参数,
问问有没有资料是将这两个反馈环统一起来分析的资料。
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