Summary

This application note describes a detailed design strategy for a high-efficiency, compact flyback converter. Design considerations, mathematical equations, and guidelines for printed circuit board layout are presented.

Applications

General-purpose switch-mode power supplies and flyback power converters, including:

◾ Power Adapters

◾ Open-frame SMPS

◾ SMPS with Surge-current Output, such as for Printers, Scanners, Motor Drivers