Optimal Design of Switching Power Supply

Zhanyou Sha, Xiaojun Wang, Yanpeng Wang, and Hongtao Ma, Hebei University of Science and Technology, China.

• Preface xiiiIntroduction xv1 Overview on Switching-Mode Power Supply (SMPS) 11.1 Classification of Integrated Regulated Power Supply 11.2 Characteristics of SMPS 51.3 New Development Trend of SMPS 61.4 Basic Principles of SMPS 131.5 Control Mode Type of SMPS 161.6 Working Mode of SMPS 201.7 Feedback Type of SMPS 221.8 Load Characteristics of SMPS 272 New Technology and Its Application of SMPS 312.1 Single-Chip Integration of SMPS 312.2 Computer-Based SMPS Design 332.3 Internal Protection Circuit of SMPS 392.4 Synchronous Rectification (SR) Technology 412.5 Active Clamp Technology 432.6 Magnetic Amplifier Regulator Technology 452.7 Programmable Voltage Regulator Technology 492.8 Digital Power Supply System 562.9 Energy-Saving and Environment-Friendly Technology of SMPS 663 Topologies of the DC/DC Converter 693.1 Topologies of the DC/DC Converter 693.2 Basic Principle of Buck Converter 753.3 Basic Principle of Boost Converter 783.4 Basic Principle of Buck-Boost Converter 793.5 Basic Principle of Charge Pump Converter 803.6 Basic Principle of SEPIC 813.7 Basic Principle of Flyback Converter 823.8 Basic Principle of Forward Converter 863.9 Basic Principle of Push-Pull Converter 873.10 Basic Principle of Half/Full Bridge Converter 893.11 Basic Principle of Soft Switching Converter 903.12 Basic Principle of Half-Bridge LLC Resonant Converter 933.13 Basic Principle of the 2-Switch Forward Converter 974 Method for Selecting Key Peripheral Components of SMPS 994.1 Selection Method for Fixed Resistor 994.2 Selection Method for Capacitors 1054.3 Inductor Characteristics and Selection Method for Magnetic Beads 1114.4 Selection Method for EMI Filter 1164.5 Selection Method for Input Bridge Rectifier 1284.6 Selection Method for Output Rectifier 1304.7 Selection Method for Transient Voltage Suppressor (TVS) 1374.8 Selection Method for Power Switching Tube 1424.9 Selection Method for Optical Coupler 1494.10 Selection Method for Adjustable Precision Shunt Regulator 1524.11 Selection Method for SMPS Protection Elements 1595 Power Factor Correction Circuit Design of SMPS 1675.1 Brief Introduction to Power Factor Correction (PFC) 1675.2 Basic Principle of Passive PFC Circuit 1705.3 Design Examples of Passive PFC Circuit 1755.4 Basic Principle of Active PFC Circuit 1775.5 Design Examples of Active PFC Circuit 1845.6 Principle and Application of High-Power PFC 1885.7 Measures to Suppress PFC Electromagnetic Interference 1975.8 PFC Configuration Scheme 2006 Design of High-Frequency Transformer 2056.1 Selection Method for Magnetic Cores by the Empirical Formula or Output Power Table 2056.2 Waveform Parameters of the High-Frequency Transformer Circuit 2116.3 Formula Derivation of Selecting High-Frequency Transformer Magnetic Core Based on AP Method 2126.4 Design of Flyback High-Frequency Transformer 2176.5 Design of Forward High-Frequency Transformer 2256.6 Loss of High-Frequency Transformer 2277 Examples of SMPS Optimization Design 2317.1 Multioutput SMPS Design 2317.2 Methods to Improve the Cross-Load Regulation of Multioutput SMPS 2367.3 Design of PC SMPS with Magnetic Amplifier 2387.4 Design of Synchronous Rectification DC/DC Converter 2417.5 Design of SMPS for Peak-Power-Output Audio Power Amplifier 2437.6 Design of Industrial Control Power Supply Based on Voltage-Doubling Rectifier 2467.7 Design of Industrial Control Power Supply Based on Suspension High-Voltage Constant Current Source 2487.8 Design of StackFETTM Technology-Based Micro-SMPS 2507.9 Design of Power Supply for the Digital TV Set-Top Box 2527.10 Design of Mobile Phone Charger with USB Interface 2548 Key Design Points of SMPS 2578.1 SMPS Design Requirements 2578.2 Design of High-Efficiency SMPS 2608.3 Methods of Reducing No-Load and Standby Power Consumption of SMPS 2658.4 Stability Design of Optocoupler Feedback Control Loop 2748.5 SMPS Layout and Wiring 2828.6 Design of Constant Voltage/Current SMPS 2888.7 Design of Precision Constant Voltage/Current SMPS 2928.8 Design of Remote Turn-Off Circuit for SMPS 2978.9 Typical Application and Printed Circuit Design of New Single-Chip SMPS 2998.10 Electromagnetic Interference Waveform Analysis and Safety Code Design of SMPS 3078.11 Radiator Design of Single-Chip SMPS 3138.12 Radiator Design of Power Switching Tube (MOSFET) 3218.13 Common Troubleshooting Methods of SMPS 3279 SMPS Testing Technology 3299.1 Parameter Testing of SMPS 3299.2 Performance Testing of SMPS 3339.3 SMPS Measurement Skills 3369.4 Accurate Measurement Method of Duty Ratio 3439.5 Method to Detect the Magnetic Saturation of High-Frequency Transformer with Oscilloscope 3459.6 Digital Online Current/Resistance Meter 3489.7 Electromagnetic Compatibility Measurement of SMPS 3549.8 Waveform Test and Analysis of SMPS 35910 Protection and Monitoring Circuit Design of SMPS 36710.1 Design of Drain Clamp Protection Circuit 36710.2 Overvoltage Protection Circuit Constituted by Discrete Components 37110.3 Application of Integrated Overvoltage Protector 37710.4 Design of Undervoltage Protection Circuit 38110.5 Design of Overcurrent and Overpower Protection Circuit 38410.6 Design of Soft-Start Circuit 38910.7 Mains Voltage Monitor 39210.8 Transient Interference and Audio Noise Suppression Technology of SMPS 39610.9 Design of Overheating Protection Component and Cooling Control System 400References 407Index 409