"That switching power supply was as revolutionary as the Apple II logic board was. ![]() The introduction of a single-chip power supply controller in 1976 made switching power supplies simpler, smaller, and cheaper.Īpple's involvement with switching power supplies goes back to 1977 when Apple's chief engineer Rod Holt designed a switching power supply for the Apple II. ![]() In the 1950s, switching power supplies were complex and expensive, used in aerospace and satellite applications that needed small, lightweight power supplies.īy the early 1970s, new high-voltage transistors and other technology improvements made switching power supplies much cheaper and they became widely Switching power supplies are now very cheap, but this wasn't always the case. ![]() The switching power supply gets its name because it switches power on and off thousands of times a second, which turns out to be a very efficient way to do this conversion. Most consumer electronics, from your cell phone to your television, use a switching power supply to convert AC power from the wall to the low-voltage DC used by electronic circuits. Many electronic components work together to provide smooth power to your laptop.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |