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TPS23753A: In your evaluation board TPS23753AEVM-001 , there is a BAV99 in the feedback circuit. Can you explain the purpose of this diode? protection?

Tuan Tran83
Prodigy 30 points
Part Number: TPS23753A

In your evaluation board TPS23753AEVM-001 , there is a BAV99 in the feedback circuit. Can you explain the purpose of this diode? protection?

  • 0
    TI__Mastermind 40120 points
    Hi Tony,

    This is needed for softstart along with the RC circuit that's connected to it. For example, the reference is ramped up slowly given the RC network. The diodes act to discharge the cap at turn off and not affect the feedback loop of the converter.

    Please let me know if this helps. Thanks!
    Regards,
    Darwin