LDO基础知识:噪声-第2部分

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在我的上一篇博文LDO基础知识:噪声–第1部分中,我探讨了如何减少输出噪声和控制压摆率,方法是为参考电压(CNR/SS)并联一个电容器。在本篇博文中,我将讨论降低输出噪声的另一种方法:使用前馈电容(CFF)。什么是前馈电容?前馈电容是一个可选的顶容器,与电阻分压器的上半部电阻并联,如图1所示。
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