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Library | Item Barcode | Call Number | Material Type | Item Category 1 | Status |
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Searching... | 30000004729947 | TK7868.S9 M32 2005 | Open Access Book | Book | Searching... |
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Summary
Summary
This book is a crash course in the fundamental theory, concepts, and terminology of switching power supplies. It is designed to quickly prepare engineers to make key decisions about power supplies for their projects.
Intended for readers who need to quickly understand the key points of switching power supplies, this book covers the 20% of the topic that engineers use, 80% of the time.
Unlike existing switching power supply books that deal strictly with design issues, this book also recognizes the growing importance of "off-the-shelf" commercial switching power supplies, giving readers the background necessary to select the right commercial supply.
This book covers the core essentials of power supply theory and design while keeping mathematics to the absolute minimum necessary. Special attention is given to the selection of appropriate components, such as inductors and transformers, to ensure safe and reliable operation. Engineers, whose main design responsibilities are in other areas, will better understand the strengths and weaknesses of switching power supplies and whether such supplies are appropriate for their projects. They will be able to give more meaningful design requirements and specifications to those who design switching power supplies.
Table of Contents
Preface | p. ix |
Introduction | p. xi |
Chapter 1 Basic Switching Circuits | p. 1 |
Energy Storage Basics | p. 3 |
Buck Converter | p. 4 |
Boost Converter | p. 6 |
Inverting Boost Converter | p. 9 |
Buck-Boost Converter | p. 10 |
Transformer Isolated Converters | p. 11 |
Synchronous Rectification | p. 16 |
Charge Pumps | p. 17 |
Chapter 2 Control Circuits | p. 21 |
Basic Control Circuits | p. 23 |
The Error Amplifier | p. 26 |
Error Amplifier Compensation | p. 28 |
A Representative Voltage Mode PWM Controller | p. 33 |
Current Mode Control | p. 39 |
A Representative Current Mode PWM Controller | p. 41 |
Charge Pump Circuits | p. 45 |
Multiple Phase PWM Controllers | p. 49 |
Resonant Mode Controllers | p. 50 |
Chapter 3 The Input Power Supply | p. 51 |
Off-Line Operation | p. 53 |
Radio Interference Suppression | p. 55 |
Safety Agency Issues | p. 57 |
Power Factor Correction | p. 60 |
In-Rush Current | p. 64 |
Hold-Up Time | p. 66 |
Input Rectifier Considerations | p. 69 |
Input Reservoir Capacitor Characteristics | p. 70 |
Chapter 4 Non-Isolated Circuits | p. 73 |
General Design Method | p. 75 |
Buck Converter Designs | p. 76 |
Boost Converter Designs | p. 86 |
Inverting Designs | p. 94 |
Step Up/Step Down (Buck/Boost) Designs | p. 97 |
Charge Pump Designs | p. 102 |
Layout Considerations | p. 107 |
Chapter 5 Transformer-Isolated Circuits | p. 111 |
Feedback Mechanisms | p. 113 |
Flyback Circuits | p. 121 |
Practical Flyback Circuit Design | p. 129 |
Off-Line Flyback Example | p. 129 |
Non-Isolated Flyback Example | p. 137 |
Forward Converter Circuits | p. 141 |
Practical Forward Converter Design | p. 143 |
Off-Line Forward Converter Example | p. 144 |
Non-Isolated Forward Converter Example | p. 148 |
Push-Pull Circuits | p. 152 |
Practical Push-Pull Circuit Design | p. 154 |
Half Bridge Circuits | p. 158 |
Practical Half Bridge Circuit Design | p. 161 |
Full Bridge Circuits | p. 164 |
Chapter 6 Passive Component Selection | p. 167 |
Capacitor Characteristics | p. 169 |
Aluminum Electrolytic Capacitors | p. 171 |
Solid Tantalum and Niobium Capacitors | p. 173 |
Solid Polymer Electrolytic Capacitors | p. 175 |
Multilayer Ceramic Capacitors | p. 176 |
Film Capacitors | p. 180 |
Resistor Characteristics | p. 181 |
Carbon Composition Resistors | p. 183 |
Film Resistors | p. 183 |
Wire Resistors | p. 184 |
Chapter 7 Semiconductor Selection | p. 187 |
Diode Characteristics | p. 189 |
Junction Diodes | p. 189 |
Schottky Diodes | p. 194 |
Passivation | p. 197 |
Bipolar Transistors | p. 197 |
Power MOSFETs | p. 204 |
Gate Drive | p. 208 |
Safe Operating Area and Avalanche Rating | p. 219 |
Synchronous Rectification | p. 222 |
Sense FETs | p. 229 |
Package Options | p. 229 |
IGBT Devices | p. 230 |
Chapter 8 Inductor Selection | p. 235 |
Properties of Real Inductors | p. 237 |
Core Properties | p. 240 |
Designing a Powder Toroid Choke Core | p. 250 |
Choosing a Boost Converter Core | p. 256 |
Chatper 9 Transformer Selection | p. 261 |
Transformer Properties | p. 263 |
Safety Concerns | p. 266 |
Practical Construction Considerations | p. 267 |
Choosing a Forward Converter Transformer Core | p. 271 |
Practical Flyback Core Considerations | p. 272 |
Choosing a Flyback Converter "Transformer" Core | p. 273 |
Chapter 10 A "True Sine Wave" Inverter Design Example | p. 277 |
Design Requirements | p. 279 |
Design Description | p. 280 |
Preregulator Detailed Design | p. 286 |
Output Converter Detailed Design | p. 290 |
H Bridge Detailed Design | p. 293 |
Bridge Drive Detailed Design | p. 296 |
Chapter 11 A PC Off-Line Supply | p. 299 |
Setting Requirements | p. 301 |
The Input Supply | p. 302 |
DC-DC Converter | p. 305 |
Diode Selection | p. 309 |
Inductor Designs | p. 310 |
Capacitor Designs | p. 314 |
Transformer Design | p. 315 |
Index | p. 319 |