Unitrode created these design reference notes and supplements for past seminar presentations. You may download all of the sections for this seminar in a single compressed zip file.

1983 Unitrode Seminar Sections

250 Watt Off-Line Forward Converter-Design Review Switching Power Supply Design Review - 60 Watt Flyback Regulator Designing Multi-Output Converters - Coupled-Inductor Current-Drive Topology Line Input AC to DC Conversion and Input Filter Capacitor Selection Limiting Inrush Current to a Switching Power Supply Improves Rel., Eff. Power Transformer Design for Switching Power Supplies

1984 Unitrode Seminar Sections

Switching Power Supply Topology Review Closing the Feedback Loop Appendix A: Error Amplifier and Compensation Network Design Appendix B: Bode Plots Appendix C: Flyback-Discontinuous Inductor Current-Direct Duty Cycle Cont. Switching Power Supply Design Review -- 60 Watt Flyback Regulator Appendix I: Transformer Design Appendix II: Effective RL and C in the Feedback Loop

1985 Unitrode Seminar Sections

Current-Mode Control of Switching Power Supplies Design of Flyback Transformers and Filter Inductors Simulation of Switching Power Supply Performance Using the Personal Compute Design Review: 150 Watt Current-Mode Flyback Power Conversion Design Guide

1986 Unitrode Seminar Sections

Practical Considerations in Current Mode Power Supplies The Effects of Leakage Inductance on Multi-Output Flyback Circuits Coupled Filter Inductors in Multi-Output Buck Regulators A 300W, 300KHz Current-Mode Half-Bridge Converter with Multiple Outputs The Right-Half-Plane Zero -- A Simplified Explanation Magnetic Amplifier Control for Simple, Low-Cost, Secondary Regulation

1988 Unitrode Seminar Sections

Resonant Mode Converter Topologies 1 MHz 150W Resonant Converter Design Review High Power Factor Preregulator for Off-Line Power Supplies Placing Leakage and Wiring Inductances in the High Frequency Circuit Model

1990 Unitrode Seminar Sections

Zero Voltage Switching Resonant Power Conversion Isolating the Control Loop Average Current Mode Control of Switching Power Supplies Resonant Mode Converter Topologies -- Additional Topics Optimizing the Design of a High Power Factor Switching Preregulator

1991 Unitrode Seminar Sections

Load Sharing with Paralleled Power Supplies Controlled ON-Time, Zero Current Switched Power Factor Correction Technique Fixed-Frequency, Resonant-Switched PWM w/ Phase Shifted Control Considerations in High Performance MOSFET, IGBT, and MCT Gate Drive Ckts. Control Loop Design

1993 Unitrode Seminar Sections

Distributed Power Systems Snubber Circuits: Theory, Design and Application Designing a Phase Shifted Zero Voltage Transition Power Converter Design Review: 500 Watt, 40W/in3 Phase Shifted ZVT Power Converter High Power Factor Preregulator Using the SEPIC Converter Control Loop Design SEPIC Preregulator Example Coupled Inductor Design

1994 Unitrode Seminar Sections

250KHz, 500W Pwr Factor Correction Ckt. Employing Zero Voltage Transitions Portable Power -- A Designer's Guide to Power Management Active Clamp and Reset Technique Enhances Forward Converter Performance An Electrical Circuit Model for Magnetic Cores

1996 Unitrode Seminar Sections

Fueling the Megaprocessors - Empowering Dynamic Energy Management 100W, 400kHz, DC/DC Conv. w/ I Doubler Sync. Rectification Achieves 92% Design Considerations for Active Clamp and Reset Technique Control Loop Cookbook

1997 Unitrode Seminar Sections

Current Sensing Solutions for Power Supply Designers A Low Power Boost Converter for Battery Powered Portable Applications A Unique Four Quadrant Flyback Converter Design Review: 140W, Multiple Output, Very High Density DC/DC Converter

2000 Unitrode Seminar Sections

Cascaded Power Converter Topology for High Current Low Output Voltage App. Hot Swap Power Management 50W Forward Converter w/ Sync. Rectification and Secondary Side Control Frequency Response Measurements for Switching Power Supplies A More Accurate Current-Mode Control Model

2001 Unitrode Seminar Sections

An Analytical Comparision of Alternate Control Techniques Design and Application Guide for High Speed MOSFET Gate Drive Circuits Appendix A: Estimating MOSFET Parameters from the Data Sheet Magnetic Field Evaluation in Transformers and Inductors High-Efficiency, Regulated Charge Pumps for High-Current Applications Designing Stable Control Loops Internal Compensation - Boon or Bane Implication of Sync. Rectifiers in Isolated, Single-Ended, Forward Conv.

2003 Unitrode Seminar Sections

Understanding & Optimizing Electromagnetic Compatibility in... Designing High-Power Factor Off-Line Power Supplies Achieving High-Efficiency w/Multi-Output CCM Flyback Supply... Transformer & Inductor Design for Optimum Circuit Performance Under the Hood of Low-Voltage DC/DC Converters Paralleling Power--Choosing & Applying the Best Technique for...