1. Chapter 8 Switching Power Supplies
“Introduction to Modern Power Electronics”, 2nd Ed., John Wiley 2010 by
Andrzej M. Trzynadlowski

2. Buck converter
Fig. 8.1
Chapter 8

3. Voltage and current waveforms in a buck converter
Fig. 8.2
Chapter 8

4. Waveforms of the capacitor current and output voltage in a buck converter
Fig. 8.3
Chapter 8

5. Boost converter
Fig. 8.4
Chapter 8

6. Voltage and current waveforms in a boost converter
Fig. 8.5
Chapter 8

7. Waveforms of the capacitor current and output voltage in a boost converter
Fig. 8.6
Chapter 8

8. Impact of the inductor resistance on the voltage gain of a boost converter
Fig. 8.7
Chapter 8

9. Buck-boost converter
Fig. 8.8
Chapter 8

10. Voltage and current waveforms in a buck-boost converter
Fig. 8.9
Chapter 8

11. C uk converter
Fig. 8.10
Chapter 8

12. Waveforms of voltage and current in a C uk converter
Fig. 8.11
Chapter 8

13. SEPIC (a) and Zeta (b) converters
Fig. 8.12
Chapter 8

14. Voltage and current waveforms in SEPIC and Zeta converters
Fig. 8.13
Chapter 8

15. Voltage and current waveforms in SEPIC and Zeta converters
Fig. 8.13
Chapter 8

16. Vorperian’s switch model
Fig. 8.14
Chapter 8

17. Averaged models of switched-mode dc-to-dc converters with Vorperian’s switch model: (a) buck, (b) boost, (c) buck-boost, (d) C uk
Fig. 8.15
Chapter 8

18. Waveforms of the output voltage and current in a buck converter: solid lines – actual converter, dashed lines – averaged model
Fig. 8.16
Chapter 8

19. Equivalent circuits of a transformer: (a) ideal transformer, (b) transformer with the magnetizing inductance included
Fig. 8.17
Chapter 8

20. Forward converter
Fig. 8.18
Chapter 8

21. Flyback converter
Fig. 8.19
Chapter 8

22. Isolated C uk converter
Fig. 8.20
Chapter 8

23. Midpoint rectifier
Fig. 8.21
Chapter 8

24. Push-pull converter
Fig. 8.22
Chapter 8

25. Half-bridge converter
Fig. 8.23
Chapter 8

26. Full-bridge converter
Fig. 8.24
Chapter 8

27. Voltage-mode resonant switches: (a) L-type half-wave, (b) M-type half-wave, (c) L-type full-wave, (d) M-type full-wave
Fig. 8.25
Chapter 8

28. Current-mode resonant switches: (a) L-type half-wave, (b) M-type half-wave, (c) L-type full-wave, (d) M-type full-wave
Fig. 8.26
Chapter 8

29. Waveforms of the inductor current and capacitor voltage in an undamped resonant circuit
Fig. 8.27
Chapter 8

30. Quasi-resonant ZVS buck converter with L-type half-wave switch
Fig. 8.28
Chapter 8

31. Quasi-resonant ZCS boost converter with M-type full-wave switch
Fig. 8.29
Chapter 8

32. Chapter 8

33. Series-loaded resonant converter
Fig. 8.30
Chapter 8

34. AC equivalent circuit of the series-loaded resonant converter
Fig. 8.31
Chapter 8

35. Control characteristic of the series-loaded resonant converter
Fig. 8.32
Chapter 8

36. Parallel-loaded resonant converter
Fig. 8.33
Chapter 8

37. AC equivalent circuit of the parallel-loaded resonant converter
Fig. 8.34
Chapter 8

38. Control characteristic of the parallel-loaded resonant converter
Fig. 8.35
Chapter 8

39. Series-parallel resonant converter
Fig. 8.36
Chapter 8

40. Control characteristic of the series-parallel resonant converter
Fig. 8.37
Chapter 8

41. Quasi-resonant ZCS buck converter with an L-type full-wave switch
Fig. 8.38
Chapter 8