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TPS2062 限流问题

Other Parts Discussed in Thread: TPS2062, TPS2553, TPS2560, TPS2561

TI 专家:

  你们好!

 TPS2062 限流是1A. 现在我用在AC220V--DC 5V,充电器上面, 我想输出的是5V,1A.  最多电流只能是1A 输出。 为什么我现在接2.5 欧姆的电阻负载, 从TPS2062 输出的电流是2A.  为什么不是持续输出电流1A 了?