Switchmode Power Supply Handbook Book

The Author: Keith Billings and Taylor Morey

Format: PDF

Volume: 849 pages

File Size: 19MB

Content:

Part 1: Functions and Requirements Common to Most Direct-off-line Switchmode Power Supplies

• 1. Common requirements: an overview
• 2. Ac powerline surge protection
• 3. Electromagnetic interference (Emi) in switchmode power supplies
• 4. Faraday screens
• 5. Fuse selection
• 6. Line rectification and capacitor input filters for “direct-off-line” switchmode power supplies
• 7. Inrush control
• 8. Start-up methods
• 9. Soft start and low-voltage inhibit
• 10. Turn-on voltage overshoot prevention
• 11. Overvoltage protection
• 14. Foldback (reentrant) output current limiting
• 15. Base drive requirements for high-voltage bipolar transistors
• 16. Proportional drive circuits for bipolar transistors
• 17. Antisaturationtechniques for high-voltage transistors
• 18. Snubber networks
• 19. Cross-conduction
• 20. Output filters
• 21. Power failure warning circuits
• 22. Centering (adjustmentto center) of auxiliary output voltages on multiple-output converters
• 23. Auxiliary supply systems
• 24. Parallel operation of voltage-stabilized power supplies

Part 2 Design: Theory and Practice

• 1. Multiple-output flyback switchmode power supplies
• 2. Flyback transformer design
• 3. Reducing transistor switching stress
• 4. Selecting power components for flyback converters
• 5. The diagonal half-bridge flyback converter
• 6. Self-oscillating direct-off-line flyback converters
• 7. Applying current-mode control to flyback converters
• 8. Direct-off-line single-ended forward converters
• 9. Transformer design for forward converters
• 10. Diagonal half-bridge forward converters
• 11. Transformer design for diagonal half-bridge forward converters
• 12. Half-bridge push-pull duty-ratio-controlled converters
• 13. Bridge converters
• 14. Low-power self-oscillating auxiliary converters
• 15. Single-transformer two-transistor self-oscillating converters
• 16. Two-transformer self-oscillating converters
• 17. The dc-to-dc transformer concept
• 18. Multiple-output compound regulating systems
• 19. Duty-ratio-controlled push-pull converters
• 20. Dc-to-dc switching regulators
• 21. High-frequency saturable reactor power regulator (magnetic duty ratio control)
• 22. Constant-current power supplies
• 23. Variable linear power supplies
• 24. Switchmode variable power supplies 25. Switchmode variable power supply transformer design

Part 3 Applied Design

• 1. Inductors and chokes in switchmode supplies
• 2. High-current chokes using iron powder cores
• 3. Choke design using iron powder toroidal cores
• 4. Switchmodetransformer design (general principles)
• 5. Optimum 150-w transformer design example using nomograms
• 6. Transformer staircase saturation
• 7. Flux doubling
• 8. Stability and control-loop compensation in SMPS
• 9. The right-half-plane zero
• 10. Current-mode control
• 11. Optocouplers
• 12. Ripple current ratings for electrolytic capacitors
• 13. Noninductive current shunts
• 14. Currenttransformers
• 15. Current probes for measurement purposes
• 16. Thermal management

Part 4 Supplementary

• 1. Active power factor correction
• 2. The merits and limitations of hard switching and fully resonant switchmode power supplies
• 3. Quasi-resonant switching converters
• 4. A fully resonant self-oscillating current fed fet type sinewave inverter
• 5. A single control wide range sinewave oscillator