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LM2904: 故障分析

Part Number: LM2904

LM2904DGKR  这款型号用在一款开关电源上面,以前有正常使用,这次生产老化过程中,出现6.4%的不良,不良现象为电源开机保护,就排查,为LM2904DGKR6号脚对地漏电,导致运放误动作,重新更换LM2904DGKR 后,回复正常。

麻烦帮分析一下故障原因可能在哪里可以吗?
report.pdf