1. 1 Steady-state Analysis in DCM Boost Converter in DCM

2. 2 Effect of Parasitic Resistance ● Volt-sec balance on inductor ● Amp-sec balance on capacitor Effects of Parasitic Resistance

3. 3 Effect of Parasitic Resistance Effects of Parasitic Resistance

4. 4 Prototype Boost Converter Effects of Parasitic Resistance

5. 5 Buck/Boost Converter : An Up-Down Dc-to-Dc Converter ● Evolution to Buck/Boost Converter i) Cascaded connection of buck converter and boost converter ii) Alternative representation using SPDT switches Buck/Boost Converter

6. 6 Buck/Boost Converter : An Up-Down Dc-to-Dc Converter iii) Non-inverting Buck/Boost converter iv) Subcircuits of non-inverting Buck/Boost converter Buck/Boost Converter

7. 7 Buck/Boost Converter : An Up-Down Dc-to-Dc Converter v) Modification of subcircuits vi) Buck/Boost converter Buck/Boost Converter

8. 8 Buck/Boost Converter in Steady State

9. 9

10. 10 Buck/Boost Converter in DCM

11. 11 Steady-State Analysis in DCM Buck/Boost Converter in DCM

12. 12 Structure of Three Basic Converters i) Buck converter ii) Boost converter iii) Buck/boost converter Three Basic PWM Converters

13. 13 Voltage Gain of Three Basic Converters Three Basic PWM Converters