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TPS75005电源无输出求教

完全按照芯片手册上推荐的电路连接的,但是OUT1输出正常,OUT2输出为0.9V(正常应为3.3v),

测得VMON=1.3V,EN=5V,PG=0。将10k电阻去掉后,输出正常。按照芯片手册说法,只要VMON

大于1.206V,VDET为高电平,进而EN为高电平,输出应该正常,但是不知道为何会出现不正常的情况?

请各位大神帮忙看看,谢谢啦