The basic buck regulator circuit in Figure 1 will be used to illustrate the single most common design mistake made in switching converters: inadequate input support capacitance (sometimes called ...

For most people, that would be the end of the story. But he, like everyone who’s reading this right now, really wanted to see what the inside of a 45 year old voltage regulator looked like.

LM340T5 is also known as a 7805, which is a five-volt positive voltage regulator. A 7812 is 12 volts and a 7912 is a 12-volt regulator for negative power supplies. Some are adjustable with a few ...