In over 30 years of designing power supplies, I have written multiple computer programs to help design, simulate, and understand power supply operation. This has culminated in Release 9 of POWER 4-5-6, just announced
Dr. Ridley shows how the intricate details of magnetics construction can have a major impact on the operation of a flyback converter.
Flyback Transformer Primaries
If you are designing a flyback converter, it is normally for a high-voltage input, and you do not need a lot