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Reducing Wasted Startup Current in Offline Supplies 
Aug 1, 2004
A switch-mode power supply (SMPS) offers a convenient and efficient way to reduce a large input voltage (the ac mains voltage) to power lower-voltage...

DIN Rail Power Supplies Move Beyond the Factory Floor 
Aug 1, 2004
Industrial applications have employed a variety of control voltages over the years, ranging from 440 Vac to 110 Vac to 24 Vdc in more recent years. The...

Impedance Reflections for Multi-Output Converters 
Jul 1, 2004
In numerous equipment, a switch-mode power supply (SMPS) delivers various output voltages, each powering different sections. With the introduction of...

Simple, Reliable EN-Compliant Power System 
Jul 1, 2004
The recent amendment to EN61000-3-2 has restated the harmonic current limits required for compliance as applied to most professional and industrial equipment...

Ramp Compensation for Current-Mode Converters 
Jul 1, 2004
A peak current-mode power supply is subject to subharmonic oscillations if two conditions are met: the converter operates in the continuous conduction...

Designing Switchmode Transformers for Optimum Efficiency 
Jun 1, 2004
Among the first decisions engineers must make when designing a new switchmode power supply are transformer size, working frequency and the selection of...

Generic Control Scheme Transforms Power Design 
Apr 1, 2004
A new architecture exploits digital signal processing to enable scalability and design reuse in power systems....

Microcontroller Enables Digital Control in SMPS 
Feb 1, 2004
While DSPs are the primary controllers in uninterruptible power supplies (UPS) with power-factor correction (PFC), ac generation and battery management,...

AC Rectifier Bulk Capacitor Selection with Analysis+SPICE 
Nov 1, 2003
This exercise demonstrates how the blend of analysis + simulation/testing can lead to a better understanding of circuit performance, compared to using analysis or simulation/testing alone....

Why Opt for IGBTs in SMPS Applications? 
Jul 1, 2003
Recent advancements and optimized tradeoffs have resulted in much improved IGBT performance....

DSPs Simplify Digital Control Implementation of SMPS 
Jul 1, 2003
Supplies today are adding functions to make the system power source more robust, reliable, intelligent, and efficient....

Test Diagnosis Software Verifies SMPS Design 
Jul 1, 2003
Using the fault and test diagnosis software, a design can be fully tested for potential part failures....

Thermal Design and Packaging for Proper Power Management 
Jun 1, 2003
Packaging and thermal design are driven by increased power density and the many trade-offs in power topology selection....

Power Converter Synthesis Part 4: Near Zero Emissions 
Jun 1, 2003
Implementing active clamp technique for single-ended flyback and forward converter designs enhances efficiency at high switching frequencies while lowering component stresses....

Active Clamp Control Boosts Forward Converter Efficiency 
Jun 1, 2003
Implementing active clamp technique for single-ended flyback and forward converter designs enhances efficiency at high switching frequencies while lowering component stresses....

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Topic Index

Discrete Semis
Bipolar Transistors
IGBTs
Power Modules
Power MOSFETs
Rectifiers/Diodes
Thyristors

Power Management
Digital Power Control
High-Voltage Devices
LED Drivers
Lighting Power Management
Motor Power Management
Power ICs
PWM Controllers
Regulator ICs

Portable Power Management
Batteries
Battery Charger ICs
Fuel Gauges Controllers and Regulators
Micro Fuel Cells

Passives/Packaging
Capacitors
Circuit Protection Devices
Connectors
Magnetics
Packaging
Printed Circuit Boards
Resistors
Sensors & Transducers
Switches & Electromagnetic Relays

Topic Pages
Wind Power
Flyback Transformers

Thermal Management
Fans
Heatpipes & Spreaders
Heatsinks
Liquid Cooling
Thermal Interface Materials
Thermal Management Simulation

Power Systems
DC-DC Converters
Distributed Power Architectures
EMI & EMC
Linear Power Supplies
Safety/Environmental Approvals
Simulation/Modeling
Switch-Mode Power Supplies
Test & Measurement Uninterruptible Power Supplies

Digital Power
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