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TPS7B4254-Q1: Startup timing from ADJ high to OUT?

Julio Apps
Expert 3665 points
Part Number: TPS7B4254-Q1

Team,

IN is battery at 12V and ADJ is currently low. What is the timing from ADJ considered to be high (>=2V per the test parameters in Electrical Characteristics ) to OUT of the LDO ramping and tracking ADJ?

  • 0
    TI__Guru 55940 points

    Hi Julio,

    Below please find a scopeshot that is similar to your application.  Vin is Yellow at 12 V, Vout is Magenta, and Vadj is Blue.  

    This scopeshot shows that after Vadj transitions to enable the output, it will take ~75 us for the output to begin to rise.  

    Very Respectfully,

    Ryan