Designing state-of-the-art personal electronics power adapters.(Case Study)

EDN, March, 2005 by Jovalusky, John

the challenge The personal electronics market is extremely competitive, One of the main ways that OEMs differentiate themselves is by making their product the most feature rich, smallest, and lightest. However, many of these devices come with a low-tech, bulky and inefficient linear transformer based brick adapter or charger, Recently, manufacturers have begun to differentiate their products by providing smaller and lighter power supplies with their devices to meet tighter energy efficiency regulations.

A high-end personal gaming device manufacturer chose to enclose a 16-watt power adapter into an ultra-low profile case, Power Integrations' (PI) Applications Engineering group produced the only solution that met all of the customer's specifications...

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