Power Electronics / Power Management


Latest Articles

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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Surface mount power MOSFETs offer 150% increase in power dissipation
11 August 2004, Tempe Technologies
Rohm has expanded its family of surface mount power MOSFETs with a range of ultra-miniature devices that have on-resistance ratings as low as 35 mΩ and that handle currents up to 3,5 A. Intended for ...

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Robust motor drive control ICs
11 August 2004, Infrastructure, Products & Solutions
International Rectifier says that its 1200 V-rated HVICs (high voltage integrated circuits) can be safely used as a single-part solution in high voltage industrial systems for protection circuits as well ...

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Triple LDO with high ripple rejection
11 August 2004, MB Silicon Systems, Products & Solutions
The MIC2215, a triple, low dropout regulator (LDO) for electronic device applications including cellular phones, PDAs, PCs and peripherals such as wireless LAN cards, sets a new industry standard for ...

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AS-I gateway interface with graphical display and 'built-in AS-I scope'
August 2004, Operator Interfaces, Switches & Relays
Innomatic is offering the Bihl + Wiedemann AS-I gateway with graphical display. The device is a high-end solution to link AS-Interfaces with a superior fieldbus system. The AS-I Gateway features one or ...

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Two new families of linear regulators optimised for specific uses
28 July 2004, Altron Arrow
National Semiconductor has introduced a new generation of seven low dropout (LDO) regulators designed to meet the unique power management needs of digital processor, analog and RF subsystems. The new ...

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