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TPS54302: The delay of current limit

Yusuke Mukuno
Expert 7395 points
Part Number: TPS54302

Hi expert,

Could you please let me know the delay of current limit?

How long time does TPS54302 control logic need from threshold to switch turn off?

Thanks

Muk

  • 0
    TI__Expert 4035 points

    Hi Yusuke,

    The detect and response time is short, but you need know there is minimum on-time limitation for buck converter. During the high-side MOSFET on, the MOSFET must turn on with a time longer than the minimum on-time even the current is already higher than the peck current limit threshold.