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有什么办法可以根据后级输出电压来调节PFC电压。输入电压与FFC反馈电压电阻风压网络要一样，不好根据后级输出调节PFC输出电压。
你想实现什么功能？想线性调整还是分段调整，想调整的目的是什么。
你好，
可以根据分压电阻调节，谢谢。
