Recent Developments of Planar Printed Circuit Board (PCB) Transformer Technology

Rapid developments of planar magnetics in recent years have prompted new applications of planar transformers in electronic industry. The low-profile features of planar magentics make them attractive in many electronic systems that have stringent thickness requirements. In this article, some recent progress of planar PCB transformers and their applications are described. Comparisons of conventional and planar transformers are reviewed. New trend of integrated electronic packaging in power electronic systems is briefly discussed.link_to_subscribed_fulltex