These are great. I wish someone had made videos like these when I was trying to build this stuff. I don't know how it is now, but there was a near total lack of resources on any topology beyond the basic single inductor topologies, and maybe a little bit on flybacks, but not enough. I had make the ultimate sacrifice and actually buy some books and do it the hard way. Expensive books, the kind that will force a starving student who can afford to not only eat ramen into only eating ramen, or if they are already only eating ramen, into food insecurity. I jest (...kind of), but I've always been an autodiadact, and it's extremely frustrating when sheer lack of material, rather than the content of it, is the primary obstacle. I was studying something totally unrelated to electronics in school, so if it wasn't on the web....
Let's just say I ate a lot of ramen
. The sheer quantity of delicious non-ramen earthly delights I could have been eating if these videos had been available back then.
Anyway, bravo. It's great you are doing a very low level, complete discussion of this stuff, you really really need that strong understanding of the theory and math and integrals needed to analyze stuff (like volt time and amp time) when it comes to switchers. And even that isn't all of it, there is all that crazy mosfet shit like phantom turn on and the miller and reverse transfer capacitance, all that stuff when you get into wider voltage differentials or need to optimize efficiency. There's an idea for future part in the series. Unless you already covered that, sorry I haven't watched the earlier videos yet. I had to come here to post how awesome the first one was first.
But anyway, great great stuff! Everyone who is doing switchers but doesn't like theory, nut up and learn it, you need it, and these videos make theory interesting and relatively painless.
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