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OPA548: Current limit settling time

Isao Takigasaki
Expert 3750 points

Part Number: OPA548

Hi,

My cusotmer is using current limit of OPA548 in their design.

What is the settling time to limit the output current?

Best Regards, Taki

 

  • 0
    TI__Mastermind 18106 points

    Hi Taki-san,

    The OPA548 current limit circuitry operates beyond the bandwidth of the actual core OPA548 amplifier. 

    For this reason, it is likely that the limit will naturally "activate" at a very similar speed to the natural large signal behavior of the OPA. 

    Are you looking for a specific test condition? 

    I am happy to measure on bench to demonstrate.

    Thanks,

    Jacob