Current-Doubler Rectifier Reduces Ripple Current
Mar 1, 2004
The current-doubler rectifier is a popular alternative for the output stage of a buck-derived power converter, which would otherwise use a conventional...
Controllers Revamp Isolated DC-DC Converter Designs
Feb 1, 2004
The task of designing an isolated dc-dc converter for mainstream applications has been simplified in recent months by several advanced PWM controllers....
Adding Voltage Tracking to a DC-DC Converter Module
Feb 1, 2004
In many systems today, dc-dc converter modules offer anywhere from two to four outputs with a voltage input that varies from -48 V to 12 V. In addition,...
Active Clamp Resets Transformer in Converters
Jan 1, 2004
Power converters based on the forward topology
offer high efficiency and good power-handling
capability in applications up to several hundred
watts...
IC Manages Multiple Supplies on a Single Board
Jan 1, 2004
[For a copy of this article in PDF format, which displays figures and equations, click here. Requires Adobe Acrobat Reader, free download.] Power-supply...
Designing Bead Inductor for Multiphase Systems
Dec 1, 2003
For converters to achieve the desired efficiency, the inductors must be designed precisely. Here, an overview of the ac fringing field and its effect on designing bead inductors is given....
Advantages of Interleaving Converters
Nov 1, 2003
Power supply designers should be aware that all switchmode supplies are made up of buck or boost regulators with or without dc transformers. An excellent book by Severns and Bloom presents a convincing case....
What Are the DC-DC Converter Assemblers to Do?
Oct 1, 2003
We hate to admit it some are still in denial but the business of making and selling dc-dc converters is rapidly being When manufacturers, customers and...
Thermal Performance of 16th-Brick Converters
Oct 1, 2003
[For a copy of this article in PDF format, which displays figures and equations, click here. Requires Adobe Acrobat Reader, free download.] With the introduction...
Bypass Capacitors for Point-of-Load Architecture
Jun 1, 2003
Distributed power architectures for advanced system designs have evolved to the point where cost-performance optimization is sensitive to the choice and location of load bypass capacitors....
Nonisolated Power Converters Simplify Voltage Sequencing
Jun 1, 2003
Combining techniques such as auto-track, margin up/down control, and pre-bias startup with clever circuit design and double sided surface mount construction, Texas Instruments Inc. has readied its next-generation nonisolated plug-in power modules that are up to 96% efficient and 70% smaller than previous board-mounted converters....
Power Conversion Synthesis Part 1: Buck Converter Design
Mar 1, 2003
A new buck converter design with improved terminal current and common mode noise results from the synthesis of power conversion circuits with nonpulsating input and output terminal currents....
