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2004-07-01 Yonghong Electronics transformers with 105W output power
The latest power transformers from Yonghong Electronics feature an output power of 105W and accept an input voltage of 110V, 220V or 230V
2004-08-25 TTTI power transformers rated at 2kVA
Surpass Power disclosed the availability of its latest series of power transformer that features a rated power of 60VA to 2kVA.
2002-01-03 Pulse transformers enable compact switch-mode power supplies
The PF0082 and PF0091 transformers come in a new package that enables reduced cost and speeds time-to-market for small, portable power supplies
2003-09-26 Pulse power transformers have over 500 configurations
Pulse Engineering has announced a line of 50Hz/60Hz power transformers comprising six distinct series with more than 500 configurations
2002-12-20 Pulse planar transformer targets industrial apps
Pulse Engineering is touting its PA0369 and PA0423 devices as the only component-type planar transformers with a 100W to 140W rating, respectively.
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.
2005-10-14 New power transformers handle high densities, take less space
Epcos disclosed that they have developed a family of transformers that are able to handle extremely high power densities while taking up significantly less space
2003-04-16 NEC Tokin develops transformer for Power Line modems
NEC Tokin Corp., together with Honda Electron Co. Ltd, has developed the PLDM-06 transformer that exhibits a dynamic range of up to 100dB and is designed specifically for Power Line modems operating at <450kHz.
2003-12-26 National PWM controller improves power density
National Semiconductor Corp. has presented an integrated 100V PWM controller for forward converters with the active clamp/reset technique used in distributed power architectures
2013-04-19 Grasping power factor and solid state lighting
In order to effectively design an LED-based luminaire, designers need to understand power factor, the impact of LED drivers on it, and the different techniques for cost-effectively integrating power factor correction in the LED driver design
2006-03-22 Dual-channel isolators provide data, power isolation in single package
Analog Devices' latest iCoupler digital isolators employ a proprietary technology called isoPower, which enables the transformers not only to isolate data or signals, but also power in a single package
2002-10-11 Datatronics miniature transformer delivers 0.5W
The Model 4283-1400 miniature transformer from Datatronics Romoland Inc. occupies a footprint of 12.57-by-12.57mm with a 9.4mm profile and delivers up to 0.5W of continuous power
2005-06-07 Controller saves power at every turn
National's LM5021 PWM controller combines all the best power-saving features needed by designers to build energy-efficient single-ended flyback and forward ac-dc converters
2005-05-13 Consumer electronics continue to power demand for transformers
Booming demand from the IT, home appliance and consumer electronic sectors are pushing transformer makers in mainland China to manufacture smaller, light weight products with higher efficiency and power density. Particularly, makers expect demand for flyback transformers to escalate due to the growing popularity of HDTVs.
2014-10-29 Advances in power supply packaging
Here's a look at where the power industry is going in terms of component integration and thermal management. It also covers the developments in DC/DC power converter density
2008-09-23 1200W, 2000W bulk front-end power supplies debut
Emerson Network Power has launched two new high-efficiency bulk front-end power supplies for systems that use distributed power architectures
2006-01-06 XP Power unveils 'most compact' AC/DC switching power supply
The ECM100 single-output AC/DC switching power supply from XP Power is touted to be the world's most compact unit of its type. This device features a 4.5-by-2.5-inch footprint and 1.2-inch height
2009-01-14 Wireless power consortium pursues standard
A new global initiative to drive convenience in electronics charging was launched at the first Wireless Power Consortium conference at Hong Kong Science Park. The Wireless Power Consortium pursues a standard for a universal wireless power charging
2014-11-28 Vicor aims to produce power supply parts in Asia, says CEO
Patrizio Vinciarelli, president, CEO and chair of Vicor, said the company is investing to broaden its horizons to include large volume manufacturing in computing, automotive and consumer electronics.
2001-08-22 Use of MPE high-performance power line filters with isolation transformers
This application note discusses the relevance of using high-performance power line filters in isolation transformers
2011-06-23 Upcoming technologies push power revolution
Several electronic technologies are playing high-profile roles in power revolution, among them 3D transistors, solid-state lighting, energy harvesting, superconducting cable and silicon carbide components
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.
2006-03-20 Transformer targets PoE products
Pulse has introduced a series of high efficiency, off-the-shelf power transformers for the powered device side PoE products that meet the IEEE 802.3af standard
2005-03-24 Transformer targets medical apps
Signal Transformer expanded its M4L series of international power isolation transformers to include the 450VA rated M4L-1-4, M4L-2-4, and M4L-3-4 devices.
2011-08-15 Toroidal transformers features 97.4% power efficiency
Triad Magnetics has released the VPT Series toroidal power transformers that help reduce stray fields, minimize size and operate in 25VA2.5KVA power range
2005-08-12 Toko rolls out new inverter transformer
The CLT4123 CCFL driving inverter transformer from Toko are designed for use in LCD TV and monitors larger than 14 inches and in LCD monitors for automotive use
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.
2004-05-19 TI rolls out IC controller, PoE power module
Texas Instruments Inc. has launched an IC controller and a Power-over-Ethernet (PoE) plug-in power module that reduces design time and eases implementation of Ethernet-powered industrial and commercial devices
2005-06-03 TI power amplifier matches sound quality with high-quality image
The new digital-input Class-D audio power amplifier for flat panel displays from TI enables designers to develop products with sound quality that matches the display's high-quality image, while minimizing cost and component count
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