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LP8860-Q1: Output inductor selection question

Part Number: LP8860-Q1

Hi team,

we can see that our datasheet  recommend use  22uH~33uH output inductor, but it don't give  specific calculation process to us. NOW , my customer used it at  Vin=17V, Vout= 37V, Iout = 80mA per channel. we used the usual inductance calculation method to calculate it , we get 109uH,this is quite different from the recommended value. so could you please provide me the detail calculation process of recommended value.

Thanks!