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LM5143-Q1: DCDC输出电容计算公式的区别

Part Number: LM5143-Q1
Other Parts Discussed in Thread: LM5143

Hi TI team,

      我发现不同的芯片datasheet里基于电流跳变考虑计算输出电容的公式不太一样,请问下有啥区别,以及是怎么推导出来的?公式3我大概能推导出来

公式1(from LM5143 DS):

公式2(from LM5140 DS)

公式3(from TI Technical Article ssztal7.pdf)