1. Transfer Functions of PWM
Chapter 6
Transfer Functions of PWM
Dc-to-Dc Converters

2. Graphical Representation of Frequency Response

3. Multiplication Factors
Bode Plot Construction

4. Integrations
Bode Plot Construction

5. Differentiation
Bode Plot Construction

6. Single Pole
Bode Plot Construction

7. Single Zero
Bode Plot Construction

8. Double Pole
Bode Plot Construction

9. Double Zero
Bode Plot Construction

10. Double Pole
Bode Plot Construction

11. RHP Pole
Bode Plot Construction

12. RHP Zero
Bode Plot Construction

13. Example
Bode Plot Construction

14. Example
Bode Plot Construction

15. Examples
Bode Plot Construction

16. Non-minimum Phase System
The phase variation in the non-minimum phase system is wider than
that of the regular system.

17. Identification of Transfer Function

18. Identification of Transfer Function

19. Buck Converter
Power Stage Transfer Functions

20. Small-Signal Transfer Functions
Buck Converter Transfer Functions

21. Asymptotic Plot for Frequency Response
Buck Converter Transfer Functions

22. Buck Converter Example
Input-to-Output Transfer Function
Time-Domain Response
Buck Converter Example

23. Buck Converter Example
Duty Ratio-to-Output Transfer Function
Time-Domain Response
Buck Converter Example

24. Boost Converter
Boost Converter Transfer Functions

25. Small-Signal Transfer Functions
Boost Converter Transfer Functions

26. Duty Ratio-to-Output Transfer Function
RHP zero at higher frequency
RHP zero at lower frequency
Boost Converter Transfer Functions

27. Duty Ratio-to-Output Transfer Function
Boost Converter Example

28. Unit Step Response of Non-minimum Phase System
RHP Zero and Non-minimum Phase System

29. Transient Response of Boost Converter
Boost Converter Example
initially decreases before the inductor current becomes
sufficiently large.

30. Transient Response of Boost Converter
Boost Converter Example
initially decreases before the inductor current becomes
sufficiently large.

31. Buck/Boost Converter
Buck/Boost Converter Transfer Functions

32. Small-Signal Transfer Functions
Buck/Boost Converter Transfer Functions

33. Asymptotic Plot for Frequency Response
Buck/Boost Converter Transfer Functions

34. Empirical Methods for Small-Signal Analysis

35. Duty Ratio-to-Output Transfer Function of Buck Converter
Power Stage Transfer Function of Buck Converter