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UCC28700 Cout

Other Parts Discussed in Thread: UCC28700, UCC28700-Q1

Please tell me calculation method for UCC28700 Cout.

A calculation formula of Cout is different from a datasheet and application note.

datasheet : Cout=Itran*(1/fsw(min)+150us)/⊿Vo

application note : Cout > 2ms*Pout/(Vout*2)/(Vout-Votrm)

application note is "slua653c"

Why is it a different calculating formula?

Which calculating formula should I use?