Capacitor Values: Don't Believe the Label
May 1, 2007
Variation in capacitor characteristics due to dc bias and
other effects impact power-supply design and simulation,
and their impact becomes greater as designers pursue
higher performance and higher reliability....
Better Power Packages Make Better Circuits
May 1, 2007
Advanced power packages are breaking barriers that affect
dc, ac and thermal performance in switch-mode power supply
circuits for a broad range of applications.
...
Thermal Sensing Requires System-Level Design
May 1, 2007
Using digital temperature sensors to monitor heat-generating
components or ambient environments requires
an understanding of package thermal characteristics and
conductive heat transfer applied at the pc-board level.
...
ESD Protection Array Integrates Eight Diodes
Apr 11, 2007
The VESD05A8A-HNH from Vishay Intertechnology is an ESD-protection array that integrate eight diodes in a leadless LLP1713 package...
Motion-Control Platform Takes Flight
Nov 1, 2006
With the introduction of the IRMCT3UF1 motor-control module, International Rectifier (IR) has taken motor-control technology originally developed for...
Buck Converters Squeeze into Tiny QFNs
Sep 1, 2006
Using its multi-megahertz switching and co-packaged inductor technology, Enpirion has expanded its lineup of integrated buck converters with tiny footprints...
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...
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...
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...
Factors Driving Up PCB Costs Aren't Immaterial
Feb 1, 2006
Space on the pc board is often referred to as real estate. And it's no wonder, given how board space, like land, is so precious in many applications....
Data Points
Jan 1, 2006
Power Controllers Promise Digital Benefits at Analog Prices Primarion has launched a family of general-purpose, digital power-conversion and power-management...
Package Parasitics Influence Efficiency
Nov 1, 2005
Careful consideration of inductive and resistive
losses in device packaging will contribute to a
design’s overall efficiency....
Top 10 Tidbits of Battery Wisdom
Jul 28, 2005
By avoiding common design errors, designers can extend the runtime of their battery-powered portable products....
Power Chips Benefit From Final-Test Trim
Mar 1, 2005
Programming chip parameters after packaging
reduces test requirements at the wafer probe
stage, lowering the cost of producing power
management ICs....
