Design Center
[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.
[009] Is your Input Filter Causing Trouble?
You can analyze your power supply filter quickly and easily with free downloadable software. This allows you to check for filter impedance interactions, attenuation, and proper damping.
[008] Why Do Power Supplies Fail?
Switching power supplies remain a weak link of most electronic systems and fail more often than they should. The reasons for failure are discussed.
[007] Capacitors for Switching Power Supplies
The changing characteristics of the capacitors used in power supplies are examined. They are not as simple as most engineers assume.
