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SN6501: Can BAT54C be used as rectifier?

John11513
Expert 5360 points
Part Number: SN6501

Hi experts,

My customer want to implement a small sized 5V to 5V, 1w isolated DC/DC with SN6501. To conserve space they want to use a BAT54C as second side rectifier. Could you please help me check if BAT54C is enough for this application?

Thank you!

John

  • 0
    TI__Mastermind 49445 points

    Hi John,

    Thanks for reaching out. I am assuming isolated DC/DC solution based on SN6501 to be supporting 5V @ 200mA to be meet 1W requirement. BAT54C has a absolute maximum forward current rating of 200mA and there is absolutely no margin. Hence, BAT54C might not be the best diode to be used in this application.

    The EVM for SN6501 uses a diode with a current rating of 500mA, customer might want to consider something similar. Let me know if you have any other question, thanks.


    Regards,
    Koteshwar Rao