Control Method Solves Low Duty-Cycle Dilemmas
Sep 1, 2006
A variation on peak-current-mode control eliminates blanking
time during inductor current sensing, enabling shorter
on-times for the high-side FETs used in buck regulators....
Bruce Carsten: Lifetime Achievement Award Winner
Sep 1, 2006
For his extensive record of innovation in the field of power electronics and for his contributions to the industry as an author and educator, Power Electronics Technology is proud to present Bruce Carsten with this year's Lifetime Achievement Award....
Shrinking Inductors Help Build Smaller Power Converters
Aug 1, 2006
A major reason for the migration to higher switching frequencies has been the need to reduce the size of the inductor required to complete a dc-dc converter design....
Gain Equalization Improves Flyback Performance
Jul 1, 2006
In a discontinuous flyback converter, the gain of the output current is a function of the control voltage. A constant gain can be provided by compensating circuitry, which improves control-loop stability....
Calculating Essential Charge-Pump Parameters
Jul 1, 2006
Analysis of a basic charge-pump yields a model that accurately preducts performance under a range of operating conditions, while illustrating a general approach to modeling other power-supply circuits....
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...
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...
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...
Novel SiC Diode Solves PFC Challenges
Jun 1, 2006
Wide-input-range power factor correction (PFC) converters present some of the most difficult component challenges in ac-dc power electronics. With an...
IBCs Power Advanced Telecom Systems
Jun 1, 2006
Most major telecom companies now regard Advanced Telecom Computing Architecture (AdvancedTCA) as the way of the future. Based on an open-standard architecture,...
Discrete Components Enable Bold PoE Solutions
Jun 1, 2006
Thanks to IEEE 802.3af, Ethernet data transmission lines may now conduct a specified amount of power. Enabling PoE brings a variety of advantages and...
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...
Treasures Ahead For Those Seeking Joules
May 1, 2006
Capacitors tend to advance slowly, but these improvements are significant nonetheless. This month's feature Overcoming PCMCIA Power Limits in Wireless...
