Protecting Flybacks Against Short Circuits
Aug 1, 2006
Delays in short-circuit protection triggers require careful selection of the magnectics and overcurrent threshold values to prevent component stress....
Switching Chip Tames Power Peaks
Jul 1, 2006
A variable frequency switching regulator for ac-dc power supplies drives peak loads from a design optimized for lower continuous loads to enable compliance with efficiency mandates....
A Systematic Approach Optimizes Magnetics
Jul 1, 2006
A two-stage approach to inductor and transformer design ensures the design meets market and system requirements at the lowest possible cost and with few design iterations....
New Products
Jun 1, 2006
Web-Based Simulator Microchip Technology's Mindi is a web-based simulation tool that aids in the design of several circuits useful for power-management...
Data Points
Jun 1, 2006
PoE Controller Integrates PD Designs Silicon Laboratories' Si3400 is described as the industry's most highly integrated, IEEE-802.3af-compliant, power...
Why Is My DC-DC Converter Too Hot?
Jun 1, 2006
The bulleted items on the front page of a dc-dc power module's data sheet often highlight electrical performance that the product cannot actually deliver...
Buck-Converter Design Demystified
Jun 1, 2006
Stepdown (buck) switching converters are integral to modern electronics. They can convert a voltage source (typically 8 V to 25 V) into a lower regulated...
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...
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......
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...
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...
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...
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...