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TLV3011-EP: TLV3011-EP : OUTPUT latch up issue at -55degC

Midhun M
Prodigy 230 points
Part Number: TLV3011-EP
Other Parts Discussed in Thread: TLV3011

Hi,

We are using TLV3011-EP comparator with internal reference to detect undervoltage on a supply rail and the compartor is powered up with 5V. 

It is observed that the output got latched from LOW to HIGH when the temperature was decreased from 25degC to -55degC and there was no change in input voltage or the supply to the IC.

Can you please let us know if there is any issues with TLV3011 internal reference voltage with respect to temperature?

Thanks,

Midhun

  • 0
    TI__Mastermind 24300 points

    Midhum

    Can you share how circuit? It is possible that the reference is not working properly.  If you can monitor the reference as the temperature is decreasing with an oscilloscope, that will give you a good indication if there is a problem with the reference.

    I will send you a friend request because it may be easier for you to share your details offline.  If we go offline, I will close this post and support you directly.

    Chuck

  • 0 in reply to Chuck Sins
    TI__Mastermind 24300 points

    closing since taking offline, I will look again for a response to my friend request

    Chuck