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  • TI Thinks Resolved

TPS54360: Vcomp Noise level

Part Number: TPS54360

Hello,

Is there any guide or recommendation about Vcomp noise level? like as its ripple voltage must be under 10% of Vcomp?

Regards,

Nicky

  • Nicky,

    I do not know of a guide for this. Good layout and reasonable component selection should mean this is not an issue.

    -Sam
  • In reply to Samuel Jaffe:

    Hi Sam,

    That means there is no guide or recommended value about Vcomp noise?
    Just recommended to use reasonable component selection and layout. Am I right?

    Regards,
    Nicky
  • In reply to Nicky Lim:

    Nicky,

    That is correct.

    The COMP pin is connected directly to the output of an op amp so this is a low-impedance path. FB is a high-impedance, noise-sensitive pin which is right next to COMP. This is why we are more worried about FB vs COMP. If there's an issue with noise on COMP, there's almost definitely a bigger issue with noise on FB.

    -Sam
  • In reply to Samuel Jaffe:

    Hi Samuel,
    I Have a design that could take an experts eye. Can you pass me your mail so that I can send you the Gerbers.
    Thanks ,
    Tony
  • In reply to Tony Philip69:

    Tony,

    Send it to my email. I'll take a look. Thanks,

    -Sam

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