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3 votes
3 answers
807 views

Input impedance of a buck converter

Is there an approximate formula for calculating the minimum value of the input resistance (or impedance) of a switching regulator? I found several formulas but can't figure out which one to choose. I ...
Gigapel's user avatar
  • 61
2 votes
2 answers
1k views

Understanding Buck Converters and Solar Panels

I have a solar panel rated at 5V 80mA and want to increase the output current significantly higher to around 500mA and decrease the voltage to either 3V or minimum of 2.7V, how can I go about this? I ...
Sherman's user avatar
  • 81