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Failure mode with over the specification of VOUT for LP2951-50-Q1

Atsushi Yamauchi
Genius 4810 points

I would like to confirm the failure mode for output voltage spec out.

In the datasheet page 3, there is Vout specification (4.9 to 5.1V with -40 to 125 degreeC).
About this specification, how is the situation for over 5.1V?
What is broken with out of this specification? what is failure mode?

Beat regards,
Atsushi yamauchi

  • 0
    TI__Mastermind 27780 points

    Hello Atsushi,

    The appropriate Applications Engineer has been assigned to answer your question(s). You can expect a follow-up response within a few days.

    Regards,

  • 0
    TI__Expert 3360 points

    Hi Atsushi,

     

    There are multiple kinds of failure mode that might leads to Vout higher than 5.1V, if the device is overstressed or use out of its spec. For example

    1. Internal regulation loop is damaged and becomes open loop. Vout=Vin in such case

    2. Vout is short to Vin internally

    3. Bandgap voltage is shift up.

     

    Best regards

    David Xu