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ATL431: selection

Minqi Zhao
Intellectual 1660 points
Part Number: ATL431
Other Parts Discussed in Thread: TL431, TPS3890, TPS3808

Dear expert,

My customer is looking for a TL431 as below, another pin is connect to cathode of photocoupler diode in actual application. Do we have device like that? I'm checking with customer why they need that. Thanks for your support.

  • 0
    TI__Mastermind 19370 points

    Hi Minqi,

    We do not have a TL431 with the power supply being separated.

    Is this for a comparator application for overvoltage/undervoltage?

    If that is the case I will promote our open drain supervisors such as TPS3808 or TPS3890. I feel this will meet your application needs.