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我最近用了一个tps2379做pd接口，测量vdd管脚电压不是48v，而是大概在3v或4v这样的而且是时有时无。2379后面有没有负载现象都没有48v的正常输出
你好，我想知道，tps2379这个后面要有多大的功率需求才能正常输出48v电压呢？如果我的后端dcdc和ldo都空载或者后面休眠功率很小的话那么tps2379这个就不会正常输出48v吗/
