Electronic Design

Flyback Transformers Exploit Low-Profile EFD Cores

The B82802 series SMD flyback transformers rely on low-profile, surface-mount EFD15, EFD20, and EFD25 core sizes that enable insertion heights of 8.65 mm to 14.8 mm depending on the transformer type.
Electronic Design

Designing Flyback Transformer for Discontinuous Mode

For the PDF version of this article, click here. Let's return to the question, “Why Have an Air Gap?” initially posed in the Power Design article in the December 2002 issue of Power Electronics ...
EDN

Flyback Transformer Design

When developing TOPSwitch flyback power supplies, transformer design is usually the biggest stumbling block. Flyback transformers are not designed or used like normal transformers. Energy is stored in ...
EDN

Flyback transformer enables high power-factor and converter efficiency

Several switching-converter topologies exist for power converters that operate from the ac mains and must maintain a power factor of 0.9 or better. One topology is a boost converter with a control ...