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TPS799: TPS79901 - Cfb value?

Part Number: TPS799

The data sheet is not very informative about the right value of the FB capacitor..

Please let me know under below listed conditions the most appropriate values or the min/max values of the C fb when the FB pin is looking into 4Kohm

application values

Vi = 3.5 to 5V

Vout = 1v8 or 3v3

Iout =< 250mA

Impedance on FB on= 4kohm

Value of Feedback capacitor??

Let me know

Thanks

James Bond (007)

1 Reply

  • Hello James Bond,
    We recommend using the maximum Cff value of 1 nF, or the maximum Cff capacitor that the output rise time will allow.

    For more information on using the Cff cap, see the app. note below:

    www.ti.com/.../sbva042.pdf

    Regards,
    Mike

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