电源芯片按照手册这样设计以后,没有电源输出,请问是哪里设计的不对呢
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您好
根据datasheet 您的FB是VDDA结合电阻和内部选择,您疑问的是Vout 为什么小于VFB吗?
如果您很介意请您参考以下官方的计算工具