Recommended · for some experience
How Boost Converters Work (DC-DC Step-Up) - Electronics Intermediate 1
Why people recommend it
Explains how a DC-DC boost converter steps voltage up with an inductor, switch and diode; the usual link for people puzzling over cheap USB step-up modules.
Watch for: the working demonstration from about 3:36
In their words
As mentioned in a comment, here is an interesting video giving details about the internals of a step up converter.
Basj on electronics.stackexchange.com, Sept 2019. CC BY-SA.
I got here good demonstration of boost converter.
AirCraft Lover on electronics.stackexchange.com, Jan 2020. CC BY-SA.
So I watched this video to understand how DC-DC boost converter works.
Jack on electronics.stackexchange.com, Feb 2018. CC BY-SA.
