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Designing planar transformers for reliability and thermal efficiency

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1 Author(s)
T. R. Gunewardena ; Mil-Spec Magnetics Inc., Long Beach, CA, USA

There has been an industry wide reluctance to employ planar designs for transformers and inductors in power supplies and other applications such as switch mode circuits because of high temperature rise and reliability problems associated with the close proximity of the coil and the core layout of planars. Not only can these obstacles be overcome, but also designers can go even further with high reliability and high-density transformers and inductors using planar configurations.

Published in:

Electrical Insulation Conference and Electrical Manufacturing & Coil Winding Technology Conference, 2003. Proceedings

Date of Conference:

23-25 Sept. 2003