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TL432LI: TL432LI Replacement LA431

Hsu cheng
Expert 1565 points
Part Number: TL432LI
Other Parts Discussed in Thread: ATL431LI, TL431LI

My client wants to use TL432LI for LA431, IKA parameters are as follows, will there be any side effects?

TL432LI IKA:  1mA~15mA

LA431 IKA: 0.3mA~100mA

  • 0
    TI__Mastermind 19370 points

    Hi Hsu,

    I cannot comment on side affects without knowing the application and schematic. In most situations the TL431LI can be a drop in replacement but if they require lower Ika then they can use a ATL431LI.

    Can you give us more information on the use case?

    Is this being used as a reference to an ADC or as optocoupler feedback in PD?

    -Marcoo