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TPS7A19: input cap distance

Kaileh
Intellectual 620 points
Part Number: TPS7A19

Hi Sir 

May I know TI have any application note to describe what's the side effect with different input cap distance  

Thanks 

  • 0
    TI__Mastermind 43570 points

    HI Kaile,

    Normally LDO's don't require an input capacitor for stability. Normally the input capacitor is present to prevent excessive voltage drop at the input in the event of a large load transient. To address this the TPS7A19 has the following statement:

    This recommendation is to mitigate any parasitic resistance and inductance between the input supply and the device.

    I hope this answers your question.