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TPS65400的VFB电压为什么不是在0.8V,而是每一路的电压都不一样?这么说是不是Vref不是0.8V?输出电压按Vref=0.8V来管也是不对的,而按VFB电压来算是对的,为什么?

Other Parts Discussed in Thread: TPS65400

TPS65400的VFB电压为什么不是在0.8V,而是每一路的电压都不一样?这么说是不是Vref不是0.8V?输出电压按Vref=0.8V来管也是不对的,而按VFB电压来算是对的,为什么?