Comment by RetroTechie
2 days ago
From that quote @ start of the article:
"It switched the power on and off not sixty times per second, but thousands of times; this allowed it to store the power for far less time, and thus throw off less heat."
Aargh who wrote that?!? (not Jobs himself, I hope). Electronics designers everywhere grab their vomit bag.
Anyway, good read & well researched by Ken (as always).
That was written by Walter Isaacson, who wrote the biography of Steve Jobs.He is a good writer, but that description of a switching power supply is very messed up. You can see the right ideas inside there, struggling to escape.