This article explains how to extend the battery lifetime of a device by adding a nanopower converter to an existing system, ...

The Art of Electronics, on regulators. Chapter 5 probably made most of an impression on the late-teenage me, because it explains voltage regulation and power supplies both linear and switching.

Linear voltage regulators are key components in any power-management system ... Vidatronic’s shutdown currents are less than 20 nA, even at the maximum junction temperature allowed. Minimum “Bleeder” ...

And sometimes it’s just annoying, like the use of cheap voltage regulators that fail often and perform poorly. [fvfilippetti] was tired of dealing with this on his motorcycle, so he built a ...