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客户在使用TLV1117和LM1117时发现，相同电路TLV1117在掉电时会有一反冲电压，电压调到1V之后会再升高到1.5左右再往下掉。而LM1117没有该现象。
测试验证发现时负载上的余电反冲回来导致的，但是LM1117却不受影响。是什么原因？
能否上传下波形，测试条件都一样么
