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www.us-tech.com
December, 2012
Alpha and Omega Semicon Intros Appliance & Industrial Control Family
Sunnyvale, CA — Alpha and Omega Semiconductor Limited (AOS) has released its first family of high effi- ciency 600V Insulated Gate Bipolar Transistors (IGBTs) in Alpha - IGBT™ technology to address the growing need for energy-effi- cient devices targeting motor control and power conversion applications. The patent-pending Alpha - IGBT proprietary technology combines a special cell and vertical device structure to offer best-in-class conduction — VCE(SAT) — versus switching loss (EOFF) trade- off and longer short-circuit capability. The new device enables
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a wide operating frequency range to address a variety of applications such as white goods (air conditioners, re - frigerators, washing mach - ines), industrial equipment (general inverters, servo motors, sewing machines, welding mach - ines, uninterruptible power sup- plies), as well as commercial type heating and solar inverters. The new devices offer 2.5X
lower turn-off switching loss (EOFF) and 2X higher short-circuit withstand time (SCWT) rating com- pared to the current leading com- petitive device with similar VCE(SAT) values. The ultra low gate-charge (Qg) makes the devices incredibly easy to drive. In addition, the low QGC/QGE
ratio allows the devices to withstand higher dV/dt transients and prevents oscillation issues in bridge applica- tions. Combined with the 5.6V VGE(TH), a feature that can be used as an advantage to extend the use of
Controlling appliances and industrial equipment.
unipolar (0-15V) gate drives saving the expense and complexity of bipo- lar (–15/15V) gate drives. The positive temperature coeffi-
cient of VCE(SAT) and low overall gate charge characteristics of this technology allow designers to easily parallel more devices and/or larger
devices with existing drive circuits. Contact: Alpha and Omega Semiconductor, 475 Oakmead
Pkwy., Sunnyvale, CA 94085 % 408-830-9742 fax: 408-830-9749 E-mail:
Inquiries@aosmd.com Web:
www.aosmd.com
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