Power Electronics / Power Management


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Comprehensive power solution available to meet AdvancedTCA standard
22 September 2004, Transport (Industry)
ON Semiconductor has introduced a comprehensive power solution comprised of 10 different devices that specifically meet the emerging Advanced Telecom Computing Architecture (AdvancedTCA) set down by the ...

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Schottky barrier diodes look for handheld niche
22 September 2004, Infrastructure
Torex Semiconductor has two new series of Schottky barrier diodes, the XB01SB04A2BR and the XB0ASB03A1BR. Schottky diodes offer a much lower forward voltage drop than standard switching diodes which makes ...

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100 A isolated POL converter responds quickly to step load changes
22 September 2004
Vicor says that its latest V·I chip voltage transformation module (VTM), the V048K015T100, is the first such product capable of 100 A. The VTM meets the demands of advanced DSP, FPGA, ASIC, processor ...

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PWM controllers upgrade PSU performance
22 September 2004, Altron Arrow, EBV Electrolink
Intersil has designed a new family of single-ended current-mode PWM controllers to improve performance of AC/DC and 48V DC/DC convertors widely used in telecoms, datacoms and server applications. Devices ...

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Digital control for analog power supplies
22 September 2004, Altron Arrow, Tempe Technologies
Microchip Technologies' new sophisticated power supply pulse width modulation (PWM) controller consists of a high-speed comparator with a high-performance error amplifier and a PWM latch to perform the ...

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100 mA LDO saves space
8 September 2004, MB Silicon Systems
Micrel offers a low dropout regulator in Teeny SC-70 package that has a low dropout, high PSRR, and low ground current. Coupled with low noise and fast turn-on time, the company says it makes it an ideal ...

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PCI Express hot-swap power controller
8 September 2004, MB Silicon Systems
The MIC2591B, a dual-slot, multirail, hot-swap power controller IC, is produced in a space-saving, 48-pin TQFP package. This Micrel chip is aimed at next-generation mid- and high-end servers and general ...

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Small, soft-start, high side power switches
8 September 2004, MB Silicon Systems
Micrel's MIC94062 and MIC94063 are two soft-start, high side load switches featuring the company's compact Teeny SC-70- packaging. The chips are aimed at a wide variety of handheld, battery powered consumer ...

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Four new high-performance LDOs
8 September 2004, MB Silicon Systems
Micrel has rolled out four new high-performance, low-dropout regulators in the 2x2 MLF small plastic packaging. The MIC5219/47/52/55 series is part of Micrel's family of popular micropower LDOs aimed ...

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High voltage extra fast recovery diodes
8 September 2004
Westcode Semiconductors has added a 5,2 kV device to its range of extra fast recovery diodes. This diode complements Westcode's range of pressure contact IGBTs. Advanced processing techniques allow for ...

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Highly efficient converters available in 15 A and 10 A versions
8 September 2004, Vepac Electronics
The JAZ15 family of non-isolated point-of-load converters from XP can be programmed with external resistors to deliver tightly regulated outputs from 0,9 to 3,36 V at up to 15 A, so customers can use ...

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24 V isolated DC/DC converter
8 September 2004, Sivan Electronic Supplies
Cosel's SFS series open frame DC-DC converters offer the distributed power solution to 24 V d.c input requirements. The SMD design features high reliability, efficiency 92%, and high power density. In ...

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Converter delivers 700 mA in 3 x 3 mm package
8 September 2004, Hi-Q Electronics
The AAT1151 synchronous buck converter delivers more than 700 mA output current in a compact 3 x 3 mm QFN package across a 2,7 to 5,5 V input range, says its manufacturer, Advanced Analogic Technologies...

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IEEE 802.3af power-supply MOSFETs
25 August 2004, CST Electronics, Electrocomp
Maxim MAX5074, a pulse-width-modulation (PWM) power IC with integrated power MOSFETs, is targeted at isolated power supplies for IEEE 802.3af-compliant, power-over-Ethernet (POE), powered devices such ...

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High power switching regulator
25 August 2004
Linear Technology claims its LT1935 is the industry's highest power switching regulator in ThinSOT-23 package. The 2 A, 40 V, 1,2 MHz step-up DC/DC converter has a wide 2,3 V to 16 V input voltage range ...

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Small DC/DC boost regulators
25 August 2004, MB Silicon Systems
Micrel's MIC2288/90 series, two new small-sized PWM DC/DC boost converters capable of generating up to 34 V, are suited for powering organic EL and LCD displays, and photo-flash LEDs. With its internal ...

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Converter integrates FETs to simplify 3,3 V supply
25 August 2004, Altron Arrow, EBV Electrolink
Texas Instruments has released a high-efficiency step-down, continuous-output 14 A DC/DC converter with peak 18 A FETs integrated onto a single chip. It comes in 28-pin HTSSOP (6,4 x 9,7 mm). ...

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Reference design for flyback AC-DC power supplies
11 August 2004
A reference design for flyback topology AC-DC power supply circuits, commonly found in DVD/CD players, set-top boxes and an array of consumer electronics, is offered by International Rectifier. Using ...

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Universal-input, single-output SMPS has passive power factor correction
11 August 2004
Taiyo Yuden's PAS250 is the second model in its new PAS Series of passive PFC-based, switch-mode power supplies for 1U-height single-output applications. Like the company's 150 W companion model (PAS150), ...

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Key specifications of passive microwave devices
11 August 2004, Telecoms, Datacoms, Wireless, IoT
Most microwave devices provide a number of specifications of varying importance. The significance of return loss, insertion loss, passive intermodulation product levels, and isolation will be considered ...

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