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LM2611(-5V输出)

Other Parts Discussed in Thread: LM2611

使用LM2611做正5V到-5转换,纹波为120mv左右,看波形时,每隔一段时间会有一个凸起下落,就是这个东西峰峰值为120mv。其他时间波形都比较平,请问这属于正常现象。