• RE: LM3676: *Continued Input Voltage Dependent Noise Issue

  

  Alex Mattes

  Andreas, We substituted the LM3676 passives in our current design with those of different inductance/capacitance as previously mentioned and saw no effects to the magnitude of output noise. To answer your question, the previous PCB operated at the same…

  • 3 months ago
  • Power management
  • Power management forum

• LM3676: Input Voltage Dependent Noise Issue

  

  Zach

  Part Number: LM3676 I have a design that uses a LM3676SD-3.3 regulator, this design has been in production without issue for a while. We performed a minor board revision which did not touch the regulator or its layout and are now seeing unexpected noise…

  • 6 months ago
  • Power management
  • Power management forum

• RE: TPS62740: How to eliminate Ripples from DC-DC converter using PI filter

  

  Alex Da Silva

  Hi Vinayak, Unfortunately I could not find an alternative which would be pin to pin compatible. Otherwise you could check this two devices which would have similar specifications as the TPS62740 and the 'forced PWM mode' function : LM3676 data sheet…

  • over 2 years ago
  • Power management
  • Power management forum

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