Everything for Electronics
Nuts & Volts Magazine (June 2008)

Build A Switching Regulator

By Jim Stewart    View In Digital Edition  

We’re all familiar with linear IC regulators, especially the three-pin TO-220 package types like the 7805 and the LM317. They’re inexpensive, and their low-noise andfast transient response make them ideal for many applications. Their one drawback is efficiency. For example, a 7805 regulator delivering one amp from an input of 12 volts will dissipate seven watts of heat while delivering five watts to the load. Plus, a large heatsink would be required to keep it cool enough to operate...


Read This Article!
If you’re a subscriber and your subscription includes this issue of Nuts & Volts, you can read this article in our digital edition by clicking the blue icon in the upper right corner. Use the email address associated with your subscriber services account to login.

If you're a member of our Preferred Subscriber Network, not only will the magic blue icon let you read this article, but EVERY article in EVERY issue is yours to enjoy! Over a decades worth of content is stored in our digital archive!

If you’re not a subscriber, you can still view a few sample pages of our digital edition or subscribe here for full digital access and/or print delivery. Also, as you browse around our site, you will find selected articles have been posted in their entirety for you to enjoy.


Electronic Gadgets 200806 (Figure 6 layout)