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[参考译文] LMR23610:CFF 选择

Guru**** 2387060 points
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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/714824/lmr23610-cff-selection

器件型号:LMR23610

你(们)好

COUT = 47uF、CFF = 39pF 通过 WEBENCH 仿真获得、Vin=24V、Vout=3.3V、Iout = 0.3A。

而根据等式(17)和(18)、在以下条件下、CFF 可计算为58pF。

VOUT = 3.3V、

COUT = 47uF (降额后的陶瓷电容器)

RFBT = 51K Ω

如果选择的 CFF 小于计算结果、可以考虑什么影响?

贝斯特雷加兹