Topology Selection by the Numbers Part Three
May 1, 2006
In parts one and two of this article series, the component stress factor (CSF) method was defined and some examples of how to use it were given, concentrating...
Data Points
May 1, 2006
Microsite Turns Spotlight on Digital Power For engineers interested in the emerging area of digital power-supply design, a new microsite offers a unique...
Filling the Gaps in Surge Protection
May 1, 2006
Major equipment manufacturers, in fields as diverse as industrial automation, medical electronics and consumer electronics, are seeing 30% to 50% of their...
Designing Coupled Inductors
Apr 1, 2006
Using a previously derived circuit model, coupled inductor designs can be optimized for best performance in multiphase power converters....
Notebook Adapters Face Efficiency Challenge
Apr 1, 2006
When the considerations of end users, OEMs and power-supply vendors converge on the design of notebook adapters, the resulting solutions benefit each group....
Data Points: March 2006
Mar 23, 2006
Chipset improves secondary-side synchronous rectification...
New Products: March 2006
Mar 23, 2006
This issue of Power Electronics Technology features analog switches, buck regulator for GPUs, LED driver, SMT inductor/transformer......
Converters Address Medical Equipment Compliance
Mar 1, 2006
Several methods exist for providing adequate electrical isolation in equipment to be connected to a medical patient. One approach involves the use of...
Topology Selection by the Numbers Part One
Mar 1, 2006
Is the topology you selected for your current power supply design the best topology available? Often, there are several different approaches we can take...
Industry Challenges Energy-Efficiency Regulations
Mar 1, 2006
It's one thing to encourage power-supply manufacturers and OEMs to observe voluntary standards for energy efficiency in the power supplies they design...
Optimizing Single-Stage Power Factor Correction
Mar 1, 2006
Traditional power factor corrected designs utilize a boost topology to accomplish the input power factor correction (PFC) function. The boost topology...
Power Semiconductors Take the Floor at APEC
Feb 1, 2006
At the upcoming Applied Power Electronics Conference and Exposition (APEC), which will be held March 19-23 in Dallas, several power semiconductor vendors...
Optimizing Accuracy of Hysteretic Control
Feb 1, 2006
In voltage-mode, hysteretic-controlled dc-dc
converters, output capacitor-induced ripple and
loop delay are the key sources of error in output
voltage regulation....
Is Your Job Going to China?
Feb 1, 2006
I talk to a lot of people in the United States in the power supply industry. These days, it seems, near the top of everyone's worry list is the question:...
Measuring Input Current of a Buck or Flyback Converter
Nov 1, 2005
When designing converters, it is often desirable to measure the dc current coming into the converter. This is particularly true when batteries are being...
