How to Build a Switch Mode Power Supply - Circuit Basics

Many Simple 6V power supply circuit - Elec circuit.com

Switching Power Supply: Uses Advantages and Working Principle, Article

Comprehensive Analysis of Switching Power Supply Circuits - Utmel

Parallel power supplies or series operation of switched-mode

Power supply control techniques - Power Electronic Tips

Linear vs. Switching Power Supplies, tech

12 Steps for Designing SMPS Transformers : The Talema Group

Simple Variable power supply circuit

Simple SMPS Circuit

Designing a Switched Mode Power Supply (SMPS)

Go Differential to Test SwitchMode Power Supplies - Technical Articles