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LM22676 输出电路中电感选择

Other Parts Discussed in Thread: LM22676

我用LM22676_ADJ 芯片,将12V 转成5V ,要求输出电流是3A,根据datasheet中电感计算公式,公式12,应该是68uH,但是用webench 软件设计出来是12 uH,,为什么会有这么大的差异?