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0 votes
1 answer
844 views

Why is an inductor rather than a capacitor used to smooth switch mode regulators

I understand (at least at a high level) how to use both capacitors and inductors to reduce noise but I don't understand the advantages/disadvantages of each approach or why one is chosen over the ...
AndrewT's user avatar
  • 263
14 votes
7 answers
16k views

Is there any downside to using a larger than needed smoothing capacitor?

I work with low-power DC voltage regulators. I am already aware of the formula to calculate the size of smoothing capacitor(s). This can be an iterative process of testing one size with a scope and ...
PhilM's user avatar
  • 291