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TPS2373 抽载issue



dear All,

 你好,使用TPS2373-4设计的PD电源,碰到如下问题:

使用的負載是55W. 上電瞬間抽載超過47W會直接斷電. 若先抽載47W以下, 再增加負載至60W是沒問題 。还请帮忙回答是什么问题造成的,谢谢!