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TLV700: output cap ESR requirements

Rocson He
Intellectual 1830 points
Part Number: TLV700

Hi team,

For TLV70033 spec, I don't see one table/curve for output cap region of stability.

But it mentioned it's recommended the ESR of output cap is less than 200mOhm. But what's the frequency band that the cap need to be less than 200mohm ?

Could you help confirm ?

Thanks.

  • 0
    TI__Genius 13265 points
    Hi Rocson,

    Any ceramic cap. will be fine if the output capacitance is high enough. The frequency at which the ESR should be evaluated at is the resonant frequency of the cap., where the impedance changes from falling to rising. Typically this is between 1-10 MHz on a ceramic cap.

    Regards,
    Mike