High Efficiency ±6A Switching Regulator for DDR Termination
Sep 7, 2011
Linear Technology Corporation introduces the LTC3617, a high efficiency, monolithic synchronous step-down switching regulator, capable of generating a bus termination voltage for DDR/DDR2/DDR3 and future standard memory applications requiring sourcing and sinking of current....
30kW AC-DC High Density Power Supply
May 12, 2009
Pioneer Magnetics introduced the PM37223-10P, a power factor corrected, 360V @ 30kW liquid-cooled AC-DC power supply with power density of 27.4w/in3 in a 2U 19" rack configuration....
AC-DC switcher offers variety of options
May 12, 2009
V-infinity has added a new line of 30 W Energy Star switching power supplies that can be transformed from a wall mount to a desktop by sliding off the blade and plugging in the AC power cord. ...
Eliminate the Guesswork in Selecting Crossover Frequency
Aug 1, 2008
Rather than arbitrarily choosing a converter’s crossover based on the switching frequency, you can analytically determine the relationship between its crossover and its undershoot in response to a load step...
SMPS Design Extends Universal Input to 690 Vac
Oct 1, 2007
A quasi-resonant flyback converter uses high-voltage emitter-switched bipolar transistors to achieve the wide inputvoltage range needed to power digital electric-energy meters in both residential and industrial applications.
...
Control Intelligence Improves Renewable Energy Efficiency
Sep 1, 2007
Building on the success of fixed-point architectures,
floating-point digital signal controllers enable
implementation of more complex control algorithms in
power inverters for solar- and wind-powered systems....
Forward-Converter Design Leverages Clever Magnetics
Aug 1, 2007
A synchronous rectified forward converter optimized
for performance and cost uses coupled inductors
for output filtering and transformer-based gate drive....
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.
...
Control Technique Cuts Flyback Input Capacitance
Apr 1, 2007
For flyback power supplies that need long holdup times, a
technique called on-time extension maintains regulation
with less bulk input capacitance than would be required with conventional, fixed-frequency control....
Radical Redesign Nears for Battery Chargers
Apr 1, 2007
As new markets for energy-efficient battery chargers
emerge, designers can take advantage of techniques
for testing and improving charger efficiency....
Waveform Scanning Solves Power-Design Challenges
Mar 1, 2007
The comprehensive analysis of basic switch-mode powersupply
functions enabled by oscilloscope feature sets can
close the loop for power-supply development....
A Guide to Designing Gate-Drive Transformers
Jan 1, 2007
A step-by-step procedure optimizes the mechanical, thermal and electrical parameters of the transformers to suit switch-mode power-supply applications....
