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LM27761: 技术咨询

Part Number: LM27761

你好, 

    设计5V输入, 在使用TI LM27761输出±5V给OPA2991IDSGR供电时,发现输出的-5V有异常。给OPA2991IDSGR供电的正负电源上电是否有时序要求或者其他什么原因呢?

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