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LP8866S-Q1: Sepic configuration, 48Vin and ~40Vout

Part Number: LP8866S-Q1

Hello,

I'm looking through the LP8866S-Q1 datasheet to understand if this device can be used in sepic mode for 48Vin and ~40Vout. One point that concerns be is this note on page 66.

"In SEPIC mode, the SW pin detects a maximum voltage equal to the sum of the input and output voltages, a consideration when selecting components." For a 48Vin + 40Vout configuration would this pose an issue for the device?

Thanks,
Nick