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LM5156: Ccomp, Rcomp

Part Number: LM5156
Other Parts Discussed in Thread: LM5155, PMP40555, TL431


I would like to ask regarding Rcomp and Ccomp nearby COMP pin.

These components are included in the following calculator.


Why are these components required nevertheless phase is compensated at the series regulator(e.g. TL431) side?

Best Regards,