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关于BQ24620纹波的问题



TI的大神好,我们现在根据BQ24620手册设计了一个充电器,现在千辛万苦,电压出来,电流也还算满意,但是用示波器观察出现图中这样的纹波,不知道这样的纹波是不是正常??如果不正常应该从哪些地方考虑赵州解决???谢谢。。