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Suggestions for Low noise power supplies from TI

Amal
Expert 1140 points
Other Parts Discussed in Thread: TPS54040

Hai,

i am a designer looking for low noise power supplies for my design.I need two different buck regulators both for 3.3 and 5V power supplies.The current supplying capabilities of both needs to be in range of 500mA or less.Please Share your suggestions regarding this.

  • 0
    TI__Expert 3465 points
    Hello Amal,

    it's my pleasure to support you.

    to answer your question I would need a more precise definition of Low Noise. In particular a max spectral noise mask specification would help me finding a solution for you.
  • 0 in reply to Emmanuel Granatello
    Expert 1140 points
    Hai Emmanuel,
    I am glad that i got a prompt reply for my query.Actually we dont have any more noise constraints in our design and i used TI's web bench and chose TPS54040 IC which i felt would serve the purpose.I would surely leave some space and implement some filter circuits to ensure that am not affected by any noise issues upon the release of my design.