Power Electronics / Power Management


Latest Articles

Highly accurate ASIC-based current transducers
30 January 2002, Denver Technical Products
As a further development of the series LTS current transducers introduced in 1997, LEM Components has presented the new LAS 50-TP of the mProSenz family with a nominal current of 50 A. A version for 100 ...

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Fuseholders uprated to 16 A
30 January 2002
Seventeen styles of Bulgin's fuseholders have now received UL approval to 16 A at 250 V a.c. Previously rated at 10 A, 250 V a.c., UL (the USA-based approval body) has extensively tested the range and ...

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Three-phase step-down controller with 5 bit DAC
30 January 2002
Seventeen styles of Bulgin's fuseholders have now received UL approval to 16 A at 250 V a.c. Previously rated at 10 A, 250 V a.c., UL (the USA-based approval body) has extensively tested the range and ...

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Low volt, high current power MOSFETs in new isolated mounting
30 January 2002
IXYS has introduced three new Trench Power MOSFETs for low voltage/high current applications. The IXUC100N055, IXUC200N055 and IXUC160N075 possess very high current ratings of 100 A, 200 A and 160 A respectively. ...

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FETKY devices save 60% space
30 January 2002
International Rectifier's P-channel FETKY devices in an SO-8 package, the IRF5803D2 and IRF7342D2 are additions to IR's line of FETKY devices of co-packaged HEXFET power MOSFETs and Schottky diodes. Co-packaging ...

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LDO in a tiny SC-70 package
30 January 2002, Tempe Technologies
Microchip's 80 mA low dropout regulator (LDO) in space-saving SC-70 package, offers a high performance-to-package ratio. Designers can replace SOT-23 LDOs with a 50% smaller solution without compromising ...

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Small 750 mA LDO powers 1,65 or 1,8 V ICs from 2,5 V supply
30 January 2002, MB Silicon Systems
Said to be the industry's smallest 750 mA regulator for 2,5 to 1,65 V conversion, is being offered by Micrel Semiconductor. Featuring the lowest dropout voltage of any 750 mA LDO on the market, it has ...

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Wide input range DC-DC controller
21 November 2001
Linear Technology's LTC1871 is a current mode DC/DC controller for step-up, flyback and SEPIC applications. The device eliminates the need for a sense resistor by using MOSFET Rds(ON) and achieves efficiencies ...

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New power storage technology
7 November 2001
The developers believe the VRB will have a huge impact on the power industry in South Africa, capable of providing essential uninterruptible power systems

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Power supply customisation provides configuration flexibility
24 October 2001
Vicor's VIPAC family of power solutions offers the user a new concept in power supply customisation offering configuration flexibility, high power density, high reliability, and fast time-to-market. Its ...

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Four new devices in PowerPAK power MOSFET family
24 October 2001
Vishay Siliconix offers its new PowerPAK 1212-8 MOSFETs, including first PowerPAKs with integrated Schottky diode. The key benefits are that it provides superior thermal performance, increased maximum ...

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IC family shrinks gate drive circuits
24 October 2001
International Rectifier's IR2180 series 600 V MOSFET and IGBT gate driver ICs are simple, small and cost effective MOSFET or IGBT gate driver solutions for applications up to 12 kW. According to IR they ...

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Surface mount DPAK heatsinks
24 October 2001, Actum
For D/D2/D3 PAK, Aavid's DPak thermal solution allows circuit designers to decrease the device case temperature by 17°C at 2 W power dissipation, or increase the maximum power handling capability of the ...

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Timesaver heatsinks
24 October 2001, Actum
In keeping with their policy of designing timesaver heatsinks, Aavid Engineering has introduced its 5768 series clip-on heatsink for TO220 package devices. This unique plug-in heatsink has four spring-action ...

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Power management and supply devices for SMPS
24 October 2001, Electrocomp
More reliable and efficient switched mode power supplies (SMPS) are continually in demand. Furthermore, SMPS designers are challenged to reduce products' size and weight. At the same time, the power consumption ...

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Dual-output DC/DC converter features ultra-wide 1,5 V to 5,2 V trim range
24 October 2001, Vepac Electronics
Artesyn Technologies has launched a new high efficiency dual-output DC/DC converter module that employs synchronous rectification techniques and features an exceptionally wide trim range for each output. ...

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High-power TO-220 heatsinks
24 October 2001, Actum
With faster microprocessors requiring higher power than previous chips, Aavid has teamed its heatsink capabilities with existing voltage regulators so one does not have to redesign the motherboard. Aavid ...

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Slide-on heatsinks for DIPs
24 October 2001, Actum
Aavid's slide-on heatsinks quickly and easily fit on DIP packages. They may be used with or without IC sockets. No glueing is nescessary as a locking catch prevents the heatsink from being dislodged. The ...

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Complete temperature monitoring system in SOT-23 packages
24 October 2001
A complete temperature monitoring system is available from Analog Devices in the tiny SOT-23 package. Offered in both a 5-pin lead and 6-pin lead version, the AD7414 (6-pin) and AD7415 (5-pin) are suited ...

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PFC/PWM controller combo for power supply design
24 October 2001, EBV Electrolink
Power supply designers need reliable, cost-competitive solutions to meet new harmonic distortion standards. Fairchild thus designed the ML4800 series of combo controller chips which integrate leading-edge ...

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