Power Electronics / Power Management


Latest Articles

Two-switch forward DC-DC regulator
20 February 2008, Altron Arrow
National Semiconductor recently introduced a high-voltage, monolithic two-switch forward DC-DC regulator for power supply designs in telecommunication, automotive and industrial applications. The highly ...

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Fast thyristor boasts high current rating
20 February 2008
Westcode Semiconductors has launched a new 8000 A, 2800 V, large area fast thyristor. The new device represents the highest current rating fast switching thyristor in this voltage class and breaks new ...

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Highly efficient POL converters
20 February 2008
Power-One has added six new high-efficiency digital POL converters to its ZY2000 No-Bus and ZY8000 bus-programmable series. These Z-One POLs provide from 5 to 40 A for server and communications applications, ...

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High-voltage device integration simplifies design of Power-over-Ethernet powered devices
20 February 2008, NuVision Electronics
Achieving compact PCB footprints and high DC-DC converter efficiency requires careful attention to high-voltage device integration and process technology selection. Since the IEEE Std 802.3af, or Power-over-Ethernet ...

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Indoor and outdoor LED lighting power solution
20 February 2008
Astrodyne has added to its line of installation-ready, LED power solutions with the 30 Watt (PLN30) and 60 Watt (PLN60) PLN series. Using the latest PFC topology these power supplies provide high efficiency ...

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Highly efficient POL buck converter solution
6 February 2008
International Rectifier has introduced the iP1206, a fully optimised solution for synchronous buck applications including telecom and networking equipment. The iP1206 is the latest addition to the iPOWIR ...

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Highly integrated PWM controllers
6 February 2008
STMicroelectronics has extended its portfolio of power management devices with a new family of flexible and high-performance PWM (pulse width modulation) controllers intended for motherboard and POL (point ...

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600 V drivers integrate host of protection features
6 February 2008
International Rectifier's new IRS212x family of 600 V single-channel gate drivers is suitable for motor control applications at low, mid- and high-voltage levels and in a variety of circuit topologies ...

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High linearity 1 Watt power amplifiers
6 February 2008, RF Design
The CE series of 1 Watt power amplifiers from RFHIC is designed to provide high efficiency, high linearity and high output power with no external matching circuit required. The amplifiers are optimised ...

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30 W power source for LED lighting
6 February 2008, Current Automation
Mean Well has launched a 30 W a.c.-d.c. enclosed type switching power supply designed specifically to power LED lighting systems. Targeting economical lighting applications, the ELN-30 has a non-power-factor-corrected ...

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Highly efficient DC-DC regulator
6 February 2008, ASIC Design Services, NuVision Electronics
austriamicrosystems' DC-DC converter portfolio has been expanded with the introduction of the AS1341, an hysteretic 20 V step-down regulator in a small 3 x 3 mm TDFN 8-pin package. The regulator delivers ...

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Chargers feature auto-power-source selection
6 February 2008
Microchip has introduced the MCP73837 and MCP73838 dual-input, high-current Li-Ion/Li-Polymer charge-management controllers with automatic USB or AC adapter power-source selection. The USB charge currents ...

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Bridging the power rails
23 January 2008, CST Electronics, Electrocomp, Altron Arrow, Tempe Technologies
From the early days, the mantra for the semiconductor industry has been ‘smaller, better, faster and cheaper’. The current Pocket PCs are more powerful than the first computer, which required a separate ...

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Low power, tiny voltage references
23 January 2008
Texas Instruments has introduced a family of low-power (5 μA), series voltage references featuring high accuracy of ±0,15% and low temperature drift of 30 ppm/°C. The combination of the small SC70-3 packaging ...

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Power supply incorporates PFC
23 January 2008
Vicor’s PFC FlatPAC uses field-proven VI-HAM and Maxi DC-DC converters to deliver up to 575 W of clean, reliable power. It is a single-output power supply available with standard output voltages from ...

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New series of 1000 W DC-DC converters
23 January 2008, Current Automation
New from Mean Well is the SD-1000 series of 1000 W enclosed type DC-DC converters, expanding the company's SD product lines to a higher wattage range for the growing demand of high wattage DC-DC applications. ...

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Ultra low-noise LDO
23 January 2008, ASIC Design Services, NuVision Electronics
The new AS1358/59/61/62 family of low dropout regulators (LDOs) from austriamicrosystems is optimised to deliver excellent noise performance of less than 9 μVRMS and up to 92 dB PSRR (@ 1 kHz). Operating ...

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Accurate current measurement at low cost
23 January 2008, Altron Arrow
Zetex Semiconductors has developed a low cost current monitor producing a current output signal with an accuracy as high as 1%. Housed in the 5-pin SOT23 package and with a wide 2,5 V to 20 V common mode ...

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DC-DC regulators boast small footprint
23 January 2008
Targeting the market for high density, high performance data centre and consumer applications, International Rectifier has introduced the SupIRBuck family of single output synchronous buck voltage regulators. ...

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Compact DC-DC converters
23 January 2008, Vepac Electronics
XP Power has released a new family of miniature, board-mounted, low power DC-DC converters. Measuring just 25,4 x 20,3 x 10,0 mm, the JCA series’ shielded metal package, combined with the industry-standard ...

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