Unitrode Corp. (Merrimack, NH) announced the UCC39421/2 family of multimode high-frequency PWM controllers, optimized for low-power portable applications. The ICs are considered ideal for multi-chemistry battery applications, whether using alkaline, NiMH rechargeable, or lithium-ion rechargeable cells.The UCC39421 family is claimed to offer 95 percent efficient, current-mode dc/dc conversion to boost, flyback, and SEPIC (Single Ended […]
Wall Industries (Exeter, NH) recently announced the availability of the BQ Series of industry-standard quarter-brick dc/dc converters. These converters offer the user 50 to 150W in the industry standard quarter-brick size of 2.28" x 1.45 x 0.50". The series has an input range of 18V to 36V or 36V to 75V and outputs of 1.5, […]
STMicroelectronics Inc. (Lexington, MA) has introduced the first members of a new generation of fully auto-protected low-voltage power MOSFETs. The new OMNIFET II family uses the latest VIPower M0-3 technology to achieve lower conduction losses through reduced on-resistance, small structural volume and a high level of ruggedness and avalanche energy handling capability.The new family includes […]
Astec (Carlsbad, CA) has announced the availability of a new low-power switcher model designed to address the needs of networking product manufacturers. With a low profile design that can fit in 1U rack configurations, the new LCT43-E model accepts universal ac input (85 to 264Vac and 120 to 370Vdc) and has triple dc outputs of […]
IXYS Corp. (Santa Clara, CA) introduced three new trench power MOSFETs for low-voltage, high-current applications. The IXUC100N055, IXUC200N055 and IXUC160N075 possess high current ratings of 100A, 200A and 160A, respectively. The devices are housed in a new "hole-less" package that conforms to the TO-220 outline with an electrically isolated mounting tab. In this ISOPLUS220 housing, […]
International Rectifier (El Segundo, CA) announced that it is producing new IGBTs targeted specifically for the newer coil-on-plug automotive ignition applications. The...
National Semiconductor Corp. (Santa Clara, CA) announced the LM2639, a multi-phase pulse width modulation (PWM) controller claimed to provide the smallest power supply solution available for high-end desktop computers, workstations and servers using high-performance microprocessors such as Cyrix MII, Pentium II, Pentium III, Merced and K7. The LM2639 offers a power supply solution that enables […]
Harris Corp. (Melbourne, FL) recently announced it is selling off its entire semiconductor business. Harris has entered an agreement to sell the division to a subsidiary of Sterling Holding Company LLC, a Citicorp Venture Capital Ltd. investment portfolio company. Harris had previously intended to sell only the power portion of the semiconductor division."Selling the whole […]
Lucent Power Systems (Dallas, TX) announced that its Austin Series Power Modules, claimed to be the industry's smallest power modules for digital signal processor (DSP) and mid-to-high-end computer applications, are now available in Europe. The Austin Series Power Modules have been designed to fit into tight spaces with the processing components of wireless infrastructure, Internet […]
Motorola Semiconductor Components Group (Phoenix, AZ) has introduced what they claims is the first power factor controller (PFC) circuit that allows a power supply to operate in both the traditional and follower boost modes. This is claimed to enable designers to create simpler, cheaper and more robust IEC1000-3-2 compliant design solutions and make possible up […]
Ericsson Energy Systems (Sweden) unveiled new high efficiency BZA 131 70 battery-backed dc power system at the recent Intelec Conference in Copenhagen....
Shanghai SK Transformer Co. Ltd. (China) announced its new ac/dc adapters, which offer reliable construction, a compact and lightweight form-factor, high efficiency,...
Toshiba Corp. (Japan) and Micron Technology Inc. (Boise, ID) announced the signing of a memorandum of understanding (MOU), the key points of which include the sale of the assets of Toshiba's wholly-owned Dominion Semiconductor LLC (Manassas, VA) to Micron and the withdrawal by Toshiba from the commodity DRAM business. Takeshi Nakagawa, president and CEO of […]
IXYS Corp. (Santa Clara, CA) announced that it expects its revenue for the quarter ending December 31, 2001, to decline by up to 25 percent from its revenue for the September 30, 2001, quarter. This is a change from the 15- to 20-percent decline, which was previously estimated. "The decline in revenue that we now […]
An upcoming workshop on Thermal Management of Electronics is scheduled for May 9 through 10, 2001, in Santa Clara, CA. The event is designed for engineers and designers who are involved in the design and implementation of solutions for electronic systems. An international panel of experts has been assembled to speak about some of the […]