The following sources offer additional information on power management strategies and products.
Maxim Integrated Systems' site provides product information, design and application notes, and technical support on power and power management issues.
This is the home page for Darnell Group, a Corona, Calif.-based researcher focused on power electronics markets and technologies.
Application notes, technical papers, reference designs, design tips, and packaging information on MOSFETs and other power switches are found here.
National Semiconductor's site provides technical support, application notes, articles, papers, and a reading list related to power issues and management.