Design Center
[029] Frequency Response Measurement Part 7: Step-Load Testing
Why step-load testing will not give you the design information that you need.
[028] Frequency Response Measurement Part 6: Stability Margins
Concepts of gain margin, phase margin, and relative stability.
[027] Frequency Response Measurement Part 5: Injection Signal Size
Injecting the right signal size is crucial for accurate loop gain measurements.
[026] Frequency Response Measurement Part 4: Loop Measurements
Measuring the open-loop gain of a system while the loop is kept closed for regulation.
[025] Frequency Response Part 3: Important Performance Measurements
Important measurements to make for a power supply design and analysis.
[024] Frequency Response Measurement Part 2: Single-Frequency Measurement
Single-frequency injection and measurement is used to analyze and test power supplies.
[023] Frequency Response Measurement Part I: Wide Band of Frequencies
The needed frequency range of power supply design and analysis is explored.
[022] Always Measure the Switch Current to Ensure Power Supply Reliability
The main switch current of a converter should always be measured to ensure that the converter is operating properly.
[021] Ringing Waveforms in the Flyback Converter
The "simple" flyback converter exhibits very complex ringing waveforms due to circuit parasitics.
[020] Buck-Boost Converter with Current-Mode Control
Free downloadable software shows the characteristics of the current-mode buck-boost (flyback) converter.
[019] Buck-Boost Converter with Voltage-Mode Control
Free downloadable software shows the characteristics of the current-mode buck-boost (flyback) converter.
[018] Boost Converter with Current-Mode Control
Free downloadable software shows the characteristics of the current-mode boost converter.
[017] Boost Converter with Voltage-Mode Control
Free downloadable software shows the characteristics of the voltage-mode boost converter.
[016] Buck Converter with Current-Mode Control
Free downloadable software shows the characteristics of the current-mode buck converter.
[015] Buck Converter with Voltage-Mode Control
Free downloadable software shows the characteristics of the voltage-mode buck converter.
[014] 38 Years of Current-Mode Control
A short summary of the important features of current-mode control, and links to the definitive free book on the topic.
[013] Current Limiting and DCM Flyback Design
How inaccurate current limiting can cause problems in low-power flyback designs.
[012] Switching Power Supply Noise
Designing noise filters on the output of power supplies, and using proper probing techniques to measure low levels of noise.
[011] Flyback Converter RCD Clamp Design
Design equations and analysis of the most commonly-used RCD clamp circuit used for the popular flyback converter.
[010] The Nine Most Useful Power Topologies
For most power supply applications, a handful of topologies continue to be used after more than 30 years. Simplicity and ruggedness keep these circuits relevant today.
