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TPS7A47: 关于输出电压偏高的问题

Part Number: TPS7A47

设计TPS7A4700电路如上

实际测量时,发现其输出电压是5.075V,而不是5V,请问是为什么呢

按照设计,输出电压应该为1.4V(REF)+ 0.2V + 3.2V = 5V