Design Center
[090] Core Loss Modeling - Part II Incorporating Duty Cycle Effects
Improved formulas for magnetics core loss with duty cycle effects.
[089] Core Loss Modeling - Part I Ridley-Nace Equation
Improved formulas for calculating magnetics core loss.
[088] PSRR and Low-Performance Control Loops
PSRR becomes a major problem with poorly-designed control loops.
[087] Real World Magnetics Design Issues
Many things can go wrong in the design and production of power supply magnetics.
[086] Optimizing Foil Windings for Power Supply Magnetics
Choosing the right foil thickness affects total winding dissipation.
[085] Low-Profile Inductors with Helical Foil Windings
Inductors made with helical foil windings.
[084] Practical Control Measurements for the Cuk Converter
Practical control measurements for the Cuk converter.
[083] Noninvasive Loop Gains from Output Impedance Measurements
Nonivasive loop gain approximation from output impedance measurements.
[082] Sepic Converter Measurements - Part III Current-Mode Design
Measuring the Sepic converter control transfer function with current-mode control.
[081] Sepic Converter Measurements - Part II Coupled Inductor Design
Control measurements for the Sepic converter with coupled inductors.
[079] Input Impedance Interaction for Board-Mount Boost Converter
How the point-of-load boost converter control characteristics interact strongly with the input capacitor.
[080] Sepic Converter Measurement - Part I Control Transfer Function
Control measurements for the Sepic converter.
[078] Loop Bode Plots and Nyquist Diagrams
Why Nyquist diagrams are not a very practical measurement.
[077] Interpreting Loop Gain Measurements
How to read the critical regions of a loop gain and phase measurement.
[076] Power Supply Failure Survey – Part III Magnetics
Survey results on the causes of power supply failures due to magnetics.
[075] Power Supply Failure Survey – Part II Capacitors
Survey results on the causes of power supply failures due to capacitors.
[074] Power Supply Failure Survey– Part I Semiconductors
Survey results on the causes of power supply failures due to semiconductors.
[073] Point-Of-Load Converter Design – Part II Input Filter Interactions
Point-of-load converters are prone to unusual results when considering the input filter design with low value capacitors.
[072] Point-Of-Load Converter Design - Part I Loop Gains and Step Loads
Point-of-load converter loops need to measured as they push the state-of-the-art in crossover frequencies.
[071] Designing Snubbers for Nonisolated Converters
How to design snubbers when you don't know the inductance causing the ringing.
