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2007-06-22 ATX power supply reference design debuts
ON Semiconductor says it has launched the industry's first open ATX reference design that meets the new Energy Star performance requirements for ATX power supplies used in desktop PCs
2013-04-09 XP power rolls out low profile 225W powers supply
The ECP225 series of highly efficient low profile AC-DC power supplies boast a typical efficiency of 94 per cent and a no load power consumption of less than 0.5 Watt.
2013-05-14 XP Power outs 80 Plus certified 150W AC-DC power supply
The GCS150 is available with a 12, 15, 24, 28 or 48VDC single output voltage and can deliver up to 110W.
2007-03-20 What is digital power
The advantages of digital power control make it a suitable approach for power supply design and board mounted power supplies in particular
2007-09-17 Weigh power, heat factors in new resistors
Resistor manufacturers are now addressing demanding requirements by beefing up their power lines to offer more power and better heat dissipation in same-size or smaller packages
2004-07-27 Vishay Schottky rectifiers optimized for 300W supplies
A high-current Schottky rectifier that combines 100V reverse voltage and 60A forward current capabilities in the TO-220AB package was released by Vishay.
2008-02-04 Video amp with load detect saves up to 75% power
Maxim Integrated Products has released the MAX9516 video amplifier, which detects and reports the presence of a video load and reduces power consumption when the load is not present
2002-10-22 TT Electronics MMG develops ferrite material for HF power supplies
TT Electronics MMG has developed the F2 NiZn ferrite material that is suitable for use in switch-mode and resonant-mode transformers or high-frequency power supplies
2008-11-03 Trimming standby power supply consumption
Consumer electronics and home appliances, and in general all electronic equipment, play a key role in the reduction of the energy consumption. This requires a continuous technological improvement of all electronics products. New advanced solutions must be continuously and rapidly developed with high quality, efficiency and respect for the environment.
2012-12-19 TI's unveils low power bidirectional I2C isolators
The ISO1540 and ISO1541 employ a capacitive isolation technology with a silicon dioxide barrier to separate logic input and output buffers, improving isolators lifetime by more than three times.
2003-12-01 Testing an A/D's power supply rejection ratio
This article describes an easy way to measure the system's AC power supply rejection and quickly determine how badly the power supplies are corrupting the system dynamics
2005-09-12 Streamlining power delivery systems for servers
The need for more efficient systems has become paramount especially in servers and main frames.
2002-06-07 STMicro power converter has 8V to 40V input range
The VIPer22A offline, flyback converter from STMicroelectronics provides an input range of 8V to 40V and delivers up to 12W of power
2014-12-02 ST intros 650V super-junction MOSFET to boost power density
The MDmesh M2-series devices promise to improve robustness in the latest package options in order to increase power density for home electronics, low-energy lighting and solar micro-inverters
2002-10-11 Sea Sonic PC power supplies come with dual fans
The SS series of non-PFC PC power supplies from Sea Sonic Electronics Co. Ltd features dual fans, allowing the device to be cooled faster and operate at higher efficiency
2008-08-01 Scrutinizing power-supply stability in a multiloop system
Analyzing a power system's stability begins with a look at the open-loop Bode plot of a buck or flyback converter's power stage. From this plot, the designer extracts phase and gain data for the frequency range of interest
2008-04-29 Ripple and noise measurements with DC/DC switch-mode power supplies
This application note will summarize the set-up, methodology and practical measurement guidelines to accurately measure input and output voltage ripple (or switching noise) in all SMPS DC/DC topologies, as well as charge pump (switched capacitor) regulators.
2010-02-19 Resonant converter packs power factor correction
From NXP Semiconductors comes the GreenChip TEA1713 resonant half-bridge converter claimed to be the first resonant controller with integrated power factor correction
2005-05-25 Resistors double power ratings
IRC now offers economical wirewound devices that are rated at double the power dissipation of traditional axial-leaded packages
2012-10-15 Renesas boasts MCU-based power supply sol'n
The chipset comprises the R2A30521NP, a voltage regulator controller that integrates an MCU-based digital interface, and the R2J20759NP, an intelligent PWM-driver-MOSFET.
2008-02-21 Reference design tailored for game console power adapters
ON Semiconductor has introduced a GreenPoint reference design for 200W power adapters used to power game consoles
2009-03-02 Ref design fuses LCD power supply, inverter
ON Semiconductor has announced the availability of its latest GreenPoint open reference design for LCD TV power supplies
2010-03-09 PWM controller boasts light load power management
Texas Instruments Inc. has launched a phase-shifted full-bridge PWM controller with synchronous MOSFET control outputs and light load power management
2008-02-05 Power-supply optocoupler basics
Here's the basics on today's LED/photodetector isolators and what you need to know to apply them to your system.
2014-03-25 Power trends take spotlight at APEC 2014
During this year's APEC, global players such as Fairchild, Intersil and Texas Instruments revealed their business plans and product offerings in anticipation of the power efficiencies demanded by next-generation electronic devices
2012-09-03 Power tip: Understand capacitor parasitics
Be aware of the capacitors' parasitic components.
2012-06-14 Power tip: Manage conducted common-mode emissions in isolated switcher (Part 1
Know the danger these difficult-to-control emissions can cause, and how to minimize them.
2012-10-09 Power tip: Improving cellphone charger design
Know how to transform the lowly cellphone charger from a clunky wall wart to a device not much larger than a wall plug.
2011-07-04 Power Tip: Higher-voltage LEDs boost light bulb efficiency
Find out why higher voltage is a better choice, and how to achieve it.
2012-08-06 Power tip: Avoid common aluminum electrolytic capacitor pitfalls
Here's a look at capacitor selection in switched-mode power supplies
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