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TPS54531: bypass when VIN=VOUT

Part Number: TPS54531

trying to design a supply from for USB-PD to 5V at 20W

so input to a DCDC could be 5V, 9V, 15V or 20V and output must be 5V

however, the TPS54531 requires that VOUT <= 0.75 * VIN

is there a recommended solution to bypass the DCDC at VIN = VOUT or an alternative part that includes a bypass?