Test Saturation Voltage to Achieve High Efficiency
Apr 1, 2008
Build a low-cost saturation tester to measure the saturation
voltage of switching transistors accurately in the presence of
high switching voltages or noise...
Increase DC-DC Efficiency Across Load and Frequency
Feb 1, 2008
To help improve dc-dc conversion efficiency at lighter loads and higher switching frequencies, a Schottky diode can be integrated onto a MOSFET chip....
Symmetrical Layout Enhances Power Controller
Nov 1, 2007
Configuring paralleled power MOSFETs in a circular layout sets the stage for the balancing of currents and heat dissipation in the power stage of an electric vehicle's motor controller....
Reduce Circuit Zapping From Cosmic Radiation
Sep 1, 2007
A small percentage of apparently random failures in
fielded systems can be attributed to single-event burnout.
Minimizing the risk begins with understanding this
unique failure mechanism....
Simulate MOSFET Heating Caused by Inrush Currents
Jun 1, 2007
A quasi-dynamic thermal model accurately predicts
inrush-induced heating in MOSFETs, while also accommodating
different circuit topologies.
...
Advanced Switches Boost PFC Efficiency
Jun 1, 2007
While improved MOSFET technology can reduce switching
losses in CCM PFC stages, even greater reductions in
MOSFET switching losses are achieved using SiC technology
for the boost diode....
Power Multiplexer Prevents Cross-Current Conduction
May 1, 2007
Many systems require a power multiplexer to select between two different power sources. For example, a PCI-based board needs to be able to select between...
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.
...
MOSFETs Withstand Stress of Linear-Mode Operation
Apr 1, 2007
For applications like electronic loads that require power MOSFETs to operate in their linear region, a novel transistor structure and process technology provides an extended FBSOA....
Tool Eases Modeling of Power MOSFETs
Mar 1, 2007
An online tool performs thermal simulation of vendor’s
MOSFETs with high accuracy, but is faster and easier
to use than programs based on finite-element analysis....
Improved MOSFET Model Achieves Higher Accuracy
Jan 1, 2007
A SPICE model based on the BSIM3 core eliminates
shortcomings in the existing level 1 and level 3 subcircuit
models, enabling better simulation of trench-type power MOSFETs....
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...
SiC Technology Enables Discrete Revolutions
Nov 1, 2006
While silicon carbide (SiC) was once well known as the technology used to implement the first blue light-emitting diodes (LEDs), and is now used as a...
High-Voltage TMBS Diodes Challenge Planar Schottkys
Oct 1, 2006
Trench MOS barrier Schottky diodes combine low VF and high-speed switching with improved protection from voltage transients, enabling the benefits of conventional planar Schottkys in 100-V and 120-V applications....
