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Hi
Boost芯片容易因为芯片内部整流MOS的寄生二极管产生由输入,电感,体二极管,输出组成的回路, 所以这个芯片会出现关闭时仍然有输出电压,会造成消耗。
如果你想要关掉输出,你需要选择带有隔断功能的boost芯片,例如TPS61178: www.ti.com.cn/.../TPS61178