各位好,
使用TPS62131希望输出2.5V电压,但始终输出1.8V,电路如下:
相应的引脚已经检查过了,焊接没有问题,输出电压1.79V,FB上电压测得0.4V,输入12V正常,请问还有什么可能造成这个现象?
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