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LM5122: Behavior in for Vin > Vout

Genius 16285 points
Part Number: LM5122

Hi all

My customer has this specification: Vin= 15V -26V, Vout=24V, Iout=13A.

The LM5122 should fit here and using a boost (instead of a buck-boost) is preferred due to the lower number of FETs.

What happens if Vin > Vout, in this case Vin=26V ?

They wouldn't mind the output voltage going to 26V. 

Best regards

Ueli