PEM Fuel Cells Emerge from Niche Markets
May 1, 2006
Fuel cell technology has received a great deal of attention as a vital component in the highly anticipated, though as of yet postponed, emergence of the...
New Products
May 1, 2006
PWM Controller The IR3624 from International Rectifier is a 600-kHz single-phase synchronous buck PWM controller IC designed for high-density, 10-A nonisolated...
Multi-Megahertz Switching Gains Momentum
Apr 1, 2006
Cellular phones and other portable applications continue to demand that voltage regulator designs fit into ever-smaller footprints. To satisfy this requirement...
New Products
Apr 1, 2006
New products in the April 2006 issue of Power Electronics Technology magazine...
Topology Selection By the Numbers Part Two
Apr 1, 2006
In this second part of a three-part series, we consider some of the alternatives to the bucks and boosts discussed in part one for nonisolated stepup and stepdown conversion for situations in which there may be better choices....
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....
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......
Single Component Isolates Data And Power
Mar 1, 2006
Analog Devices has extended its line of iCoupler digital isolators by developing three devices that provide both data and power isolation in a single...
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...
Smart Rectification Benefits Half-Bridge Converters
Mar 1, 2006
The half-bridge converter has been in existence for several years, but these days, it is enjoying renewed interest due to the development of eighth-brick...
Commercial Instruments Measure True AC Power
Mar 1, 2006
In 1776, Scottish economist Adam Smith introduced the concept of division of labor and specialization, concluding that it is in the economic interest...
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...
A Tracking Negative Voltage Made Easy
Feb 1, 2006
A simple circuit added to any synchronous-buck
converter generates a tracking negative output
that achieves good voltage regulation, low cost,
small area and high effi ciency....
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....
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...
