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TPS22860关断电流

user4111448
Prodigy 150 points
Other Parts Discussed in Thread: TPS22860

芯片手册里面写到

Shutdown Current (ISD) (Typ) (uA)  0.002  

Quiescent current (Iq) (Typ) (uA)  0.01    

但是，实际测量中发现TPS22860关断时，电流消耗为0.3mA

差异太差，请问是什么原因？？？

电路设计参考的手册