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TPS54360: Pre-bias start up

K. Sasaki14
Guru 10200 points
Part Number: TPS54360

Does TPS54360 support pre-bias start up?
Is it no problem because this is non-synchronous DCDC converter?

Please let me know if you have any concern.

Best Regards,
Kohei Sasaki

  • 0
    TI__Expert 4365 points

    Hello Kohei-san

    You are correct that any non-synchronously rectified buck will not have an issue starting up into a pre-biased output.

    Only synchronously rectified regulators would have a problem with this, and it would be the types that have a control section that permit reverse inductor current.

    The synchronously rectified regulators that implement "diode emulation mode" are designed not have any issue with start-up into a per-biased output.