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TPS54240-Q1: Input voltage ripple equation

Part Number: TPS54240-Q1

Hello team, 

At datasheet of TPS54240-Q1 is mentioned(32 page), An input voltage ripple is 206mV under Ioutmax = 2.5A, Cin = 4.4uF, Fsw = 300KHz. 

Vin ripple = (Ioutmax x0.25) / Cin x Fsw (Equation 39)

But i can't get a answer of 206 mV, I got a result, 470 mV. Please let me know if I make a mistake. 

Please comment on this.

Thank you.