Power Electronics / Power Management


Latest Articles

Synchronous step-down regulator delivers 4 A with tracking
2 June 2004
Linear Technology's LTC3416 is a 95% efficient synchronous buck regulator, which uses a constant frequency, current mode architecture. It also offers voltage tracking for easy supply sequencing. The device ...

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Rugged ideal diode-OR operates from over wide temperature
2 June 2004
The LTC4412HV is a robust 'ideal diode' controller with at least 10x lower forward voltage than a Schottky diode, according to the manufacturer, Linear Technology. As a result, the device provides increased ...

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Replacements for discontinued Zener diodes
2 June 2004, Electrocomp
Diotec is offering Zener diodes in SMD and through-hole packages, which have been either discontinued by competitors or are hard to find. These are industry-standard ZMM and ZMY in SMD package as well ...

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Tech note: How to use a FET to overcome the input voltage limitation of a linear regulator
2 June 2004
All integrated circuits have an input voltage limitation due to the manufacturing process. This limitation is cumbersome when trying to step down a high-supply voltage to a lower, regulated voltage using ...

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New MOSFETs can boost DC-DC converter efficiency
2 June 2004
STMicroelectronics' STripFET III devices, with superior ON-resistance gate charge figure of merit results, are highly suited for DC-DC converters including buck topologies, and their derivatives, that ...

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High power programmable DC supplies
2 June 2004
The Sorensen SG series is a new family of high power DC power supplies that the company says introduces performance features unique to the industry and a bold new direction in styling that represents ...

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17 A low profile point-of-load converter
2 June 2004
Power-One's Y5017P low-profile, high-efficiency, non-isolated point-of-load (POL) DC-DC converter is designed to deliver programmable low voltages at high currents in close proximity to the loads. A horizontal ...

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Solar cells and cards
2 June 2004
Ixys has released a new range of solar cell PV-Arrays (solar arrays), and PV-Cards (solar cards), for charging various battery powered and handheld products such as mobile phones, PDAs, cameras and toys ...

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UPS manager for systems without Ethernet connectivity
2 June 2004
The Multenet Power Agent, recently released by SAN People, is specifically designed to provide UPS systems that do not support Ethernet connectivity with network management over multiple standards like ...

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High voltage IGBT gate drive unit
2 June 2004, Programmable Logic
Westcode Semiconductors has released to market a high voltage IGBT gate drive unit (GDU) designed to complement its range of high voltage press-pack IGBTs and standard IGBT modules. The C0030BG400 is ...

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Range of advanced lithium battery technologies for diverse applications
2 June 2004
Ultralife Batteries is a global battery solutions specialist for diverse applications. The company develops and manufactures a wide range of standard as well as customised lithium primary, lithium ion ...

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SMT fuse protects against fault conditions up to 50 A/63 V d.c.
2 June 2004, Retron
Schurter's new USF 1206 surface mount fuse has an interrupt rating of 50 A at 63 V d.c. across the entire range. The thin-film, chip fuse also touts low voltage drop and power dissipation ratings, providing ...

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DC/DC converter with output disconnect
2 June 2004
Linear Technology's LTC3459 is a new 10 V synchronous boost DC/DC converter with onboard output disconnect and inrush current limiting. Packaged in a ThinSOT, it operates from an input voltage of 1,5 ...

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'Off-the-shelf' radiation-tolerant DC-DC converters
2 June 2004
A new family of standard, 'off-the-shelf' DC-DC converters that solve the space industry's problems of lengthy design cycles and extensive design analysis requirements for custom units, has been introduced ...

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Simple sequencers for power supplies
19 May 2004, Infrastructure, Security Services & Risk Management
The ADM1085 to ADM1088 simple sequencers from Analog Devices provide an easy, yet powerful and flexible solution to the problem of power supply sequencing. They offer programmable time delays from 5 µs ...

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High-power DC/DC boost controller offers wide output voltage range
19 May 2004, Altron Arrow
Microchip says that its MCP1650/51/52/53 series of 750 kHz gated oscillator DC/DC Boost controllers can deliver 5 W of power to the load while consuming only 120 µA of quiescent current at no load. They ...

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Hot-swap controller with current limiting and soft start
19 May 2004, Residential Estate (Industry), Products & Solutions
Analog Devices' ADM1073 is a -48 V hot swap controller designed for central office applications. The device uses a number of techniques to protect the external N-channel FET and the supply against inrush ...

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300 WSU claimed to be world's smallest in its class
19 May 2004, Vepac Electronics, Opto-Electronics
XP announced a 150-300 W AC/DC switching power supply range, with the 300 W unit claimed to be 25% smaller than its nearest equivalent, making it the world's smallest unit at this rating. The SML150 and ...

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Power and battery management standard product for 3G
19 May 2004, Altron Arrow, Information Security, Residential Estate (Industry), Conferences & Events
The AT73C203 power management standard product for 3G wireless platforms is manufactured on Atmel's low-cost mainstream CMOS process to provide an integrated solution for portable and handheld applications ...

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Are the benefits of using FPGAs consumed by the obstacles of integrating the FPGAs on a printed circuit board?
19 May 2004, ASIC Design Services, Programmable Logic
Ref: z2708351m FPGAs have proven to be a valuable technology in today's electronic industry, offering performance, time-to-market, and cost advantages. Evidence of their pervasiveness is the fact that ...

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