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TPS4021不使能时,怎么才能没有输出

Other Parts Discussed in Thread: TPS61099, LM5121

参考的参考设计,不使时输出经过电感和二极管直接到输出,而我想的是不使能的时候输出电压为0,有什么方式实现么,我想的是在二极管前端加一个电容,不知道这种方式可不可行,见图,图中C1位置。