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WEBENCH®工具/ UCC28180： UCC28180 some questions

Charles.huang.J
Prodigy 155 points
Part Number: UCC28180

Tool/software: WEBENCH® Design Tools

Hi,

I have some questions when I use UCC28180, please help to solve them.

1.The following pictures

2.Is the calculation method for M1 M2 M3 valid for all frequency ranges? For example, can FSW be calculated from 30k to 250k according to ucc28180 datasheet?