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MOSFETs reduce power losses, improve efficiency

Posted: 25 Jun 2009 ?? ?Print Version ?Bookmark and Share

Keywords:MOSFET? amplifier? motor control?

Infineon Technologies AG has introduced the OptiMOS 3 75V power MOSFET family in the SuperSO8 package, which claim 40 percent lower RDS(on) and 34 percent lower Figure of Merit than alternative devices. These enable reduced power losses and improved overall efficiency under all load conditions for switched-mode power supplies, as well as power applications like motor control and fast switching Class D amplifiers.

The OptiMOS 3 75V power MOSFET family is designed for desktop computers and computer servers manufactured for global markets as it enables products to meet new energy efficiency targets such as the 80PLUS Gold. This requirement, promoted by the Climate Savers Computing Initiative, calls for approximately a 10 percent improvement in the energy efficiency of computers compared to the current requirements of the U.S. Energy Star program.

"At Infineon, providing customers with solutions to improve energy efficiency has been a central pillar of the company's strategy for many years, and today we are recognized as the leading supplier of power semiconductor devices worldwide," said Andreas Urschitz, VP and general manager, industrial and multimarket division at Infineon. "Through a combination of technical leadership, proven high product quality, supply stability and customer support, we are proud to have consistently achieved best supplier status with leading OEM and ODM customers."

The OptiMOS 3 75V device in a SuperSO8 package with a RDS(on),max of 4.2 m? is priced at $0.70 per piece (10K pieces quantity). Devices are also available in TO-220, TO-262 and D?PAK packages, with pricing from $0.65 for RDS(on) class of 5m?, $0.90 for RDS(on) class of 3 m? and $1.70 for RDS(on) class of 2m? for 10K pieces quantity.





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