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Original question:

LMR14030: Power distribution over 3 meter cables

TPS65131: Power distribution over 3 meter cables

Benjamin
Intellectual 290 points
Part Number: TPS65131
Other Parts Discussed in Thread: LMR14030,

Tool/software:

Hello,

Please read the related question:
I initially asked this question with the LMR14030 tag, but was suggested to ask with the TPS65131 tag. Original question and conversation is linked, but a schematic of the "device" input circuitry is also included here.

So given that I am trying to optimise for low noise, my questions are:

  1. Should I include the ferrite beads on the LMR14030 side?
  2. How can I best damp the input signal on the device side?
  3. Are there other things I could consider? (EG an LDO after the LMR14030)

Thanks!