What’s the difference between conventional and planar switching power transformers?: Page 4 of 4

July 22, 2019 //By Dennis Earley
planar switching
Escalation in the use of higher frequencies for today’s power-conversion applications has designers increasingly looking at planar magnetics devices over traditional transformers.

Finally, the turnaround time for traditional transformers will be shorter than for planar devices. Samples can be wound in a matter of days and adjustments can be quickly made to optimize the performance. Planar devices require a printed-circuit layout and tooling for the magnetic core materials. In very-high-volume, higher-power applications, planar devices will provide the higher performance and economical solution. But traditional magnetics will be the answer for nearly every other application.


Working with a qualified supplier

Ultimately, the best idea is to work with a qualified supplier who understands the benefits and tradeoffs of both transformer types. That way, designers can be assured of a truly optimum solution.


About the author:

Dennis Earley is VP and General Manager of Premier Magnetic - www.premiermag.com

This article first appeared in Electronic Design - www.electronicdesign.com

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