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关于BLPFC电压回授电阻22k欧姆



BLPFC 输出电压回授采用1M、1M、22k之分压取样

但28035晶片上限电压为3.3V,当BLPFC输出电压400V时取样讯号为4.35V。

请问TI内部是如何运作来解决此问题的?