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TPS76901: Precision of working at start up

Other Parts Discussed in Thread: TPS62200


I want to know how the TPS76901 works at start up when the input voltage is under Vin_min=2,7V?

In my application, at start up, Vin raises from 0 to 5V.

thank you for your answer.

  • Buzz,

    Unlike the TPS62200, the TPS76901 does not have a UVLO circuit, so the start-up voltage below 2.7V is not defined.  The IC could start producing an output voltage at anytime below 2.7V.  In addition, this is an older LDO--we have many newer ones that would almost certainly be a better fit for your application.  Are you looking for a particular start-up requirement or behavior?