The ever shrinking power supply

Published by XP Power

Changes in power supply design are rarely revolutionary. Rather, they are evolutionary and dependent upon a host of component and manufacturing technologies that, for the most part, develop at a modest pace. Moore’s law simply doesn’t apply to power supply design; if it did, a 200 W switcher the size of a thumbnail would have arrived some time ago. However, even marginally improved versions of some critical components can have a dramatic affect on power supply size.

In this article we take a look at the technologies that impact the design of 50 W to 200 W AC/DC switchers and the contribution each makes to the overall size of the end product.

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Related Categories Components, Power, Semiconductors, Capacitors, Inductors, Transformers, Power semiconductors, cooling