Power

STMicroelectronics Unveils Ultra Low-Loss Rectifier Diodes for More Efficient and Greener Power Supplies

23rd February 2010
ES Admin
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STMicroelectronics has introduced a new family of high-efficiency power rectifiers that will help product manufacturers achieve energy-efficiency approvals, such as 80 PLUS. Saving energy has become a major selling point for power-supply and computer manufacturers. The 80 PLUS incentive program proposes to increase power supply efficiency, which helps reduce global carbon emissions by reducing wasted energy.
The new STPS50U100C is a rectifier diode and can be used in the output of power supplies for adapters, desktop PCs, servers, TV and video products, communication equipment, and many other electrical appliances. It is the first member of a new family of ultra-low forward voltage (ULVF™) Schottky rectifier diodes from ST, which will provide a range of diode properties to fulfill various applications. The forward voltage drop is the main source of power losses in power Schottky diodes used for secondary rectification, therefore minimizing this voltage drop is a key innovation driver.



The new ULVF family uses enhanced technology providing a significant increase of the overall efficiency. This new family will handle higher power density providing a high safety margin to address a large scale of high-output power supplies, and will be available in compact, industry-standard packages. Package options will include TO-220 and I2PAK, with other styles planned to be made available in the future.

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