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LM5160DNTFBK-CALC: Correct reference for ripple injection voltage

Guru 19495 points
Part Number: LM5160DNTFBK-CALC
Other Parts Discussed in Thread: LM5160A

About newly design for LM5160A, would you let me know about calculation method for ripple injection circuit below;

①Datasheet equation is based on ripple injection voltage: 25mV, but Quick start calculator is 50mV.

 Which equation should be based?

   

②In my condition, when calculated based on below application note, ripple injection voltage become 17mV, which is less than 25mV.

 In this case, should I adjust to increase the ripple injection voltage?

https://www.ti.com/lit/an/snva874/snva874.pdf

Best regards,

Satoshi