“I wanted an efficient way of stepping down higher voltages from LiPo packs (and other sources) to 5V for electronics projects. In the past I have used generic buck modules from eBay, but the questionable quality control and no name electrolytic capacitors did not fill me with confidence.
So, I decided that I would make my own step down converter to not only challenge myself but to make something useful also!
What I ended up with is a buck converter that has a very wide input voltage range (6V up to 50V input) and outputs 5V at up to 1A load current all in a small form factor. The peak efficiency I measured was 94% so not only is this circuit small but it stays cool too.”