您好!我使用TPS62130组成5V转4V降压电路,输出结果如下图,想请教一下为什么有那个尖峰呢?我使用的电感大小为4.7μH,输入和输出电容均为65μF,谢谢!
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Hi
输出滤波器组合LC Output Filter Combinations见datasheet:http://www.ti.com.cn/general/cn/docs/lit/getliterature.tsp?genericPartNumber=tps62130&fileType=pdf 第十八页,不推荐用到4.7uH这么大的电感。