SWITCHING POWER SUPPLY DESIGN: TUTORIALS,

TOPOLOGIES: THEORY and

SAMPLES of PSU SCHEMATICS FOR ENGINEERS AND HOBBYISTS 

TI (formerly Unitrode) seminars: all manuals from 1983 to 2010 Linear and switching voltage regulator basics SMPS design SWITCHMODE™ reference manual Power factor correction (PFC) online handbook Electronics and SMPS design books
POWER ELECTRONICS TECHNOLOGY HANDBOOKS,
Fundamentals
of power electronics (instructor's slides see their terms of use)LECTURES, GUIDES Interactive textbook for beginners  rectifier circuits, basic converters, PSPICE and mathcad simulation Electrical conversion reference textbook online drivers, applications, and components Mathematics of electric energy, power factor and THD definitions and equations 
Selection of converter topology Switch mode voltage regulator schematics and formulas Single transistor forward converter Offline forward converter with active clamp and reset Flyback  the simplest SMPS Phase shifted ZVT (soft switched) full bridge Currentfed pushpull circuit Currentdoubler rectifier Half bridge converter Pushpull converter design procedure SEPIC converter Topologies and optimization of power factor correction circuits FIND POWER SUPPLY PRODUCTS BY SPEC

48VDC to DC reference circuits 12 Volt ACDC flyback switching power supply: schematic, PCB, theory of operation ATX power supply with PFC Switchmode PSU for car audio Transformerless power supplies basics: resistive and capacitive circuits
SYNCHRONOUS
Synchronous rectification for low voltage outputsRECTIFIER CIRCUITS SYNC THEREFORE I AM Synchronous rectification review and analysis Multioutput flyback with synchronous rectifiers POWER ELECTRONICS WEBSITES AND PORTALS
SMPS Technology knowledge base  tips, resources, solutions for problemsBen Gurion power electronics group  tutorials, publications, models How2Power  articles, guides and practical answers to design questions 
