ECEN5797

ECEN5797

ECEN5797

ECEN5797

ECEN5797

ECEN5797

ECEN5797

ECEN5797

ECEN5797

ECEN5797

ECEN5797

ECEN5797

ECEN5797

ECEN5797

ECEN5797

ECEN5797

ECEN5797

ECEN5797

Chapter 2: summary of key points

Steady-state (DC) components of voltages and currents in a switching converter are obtained by averaging over a switching period

Complete steady-state solutionDC t f it lt d i d t t• DC components of capacitor voltages and inductor currents

• Inductor current and capacitor voltage ripples

Steady-state solution approach for any switching converterSteady-state solution approach for any switching converter• Small-ripple approximation greatly simplifies the analysis

• Inductor volt-second balance gives steady-state DC capacitor g y pvoltages

• Capacitor charge balance gives steady-state DC inductor currents

• Ripples can be found based on (approximately) constant slopes

ECEN5797

• Ripples can be found based on (approximately) constant slopes, (except in 2nd order filters)

ECEN5797