BUCK-BOOST CONVERTER PROCEDURE SECTION A: PRE-LAB CALCULATION 1. By referring to the circuit in Figure 6.1 and the data given in TABLE 1 with switching frequency fsw=100 kHz, (a) Determine the output voltage, Vo. (b) Determine the maximum and minimum inductor current. (c) Determine the output voltage ripple. Vs JZ m VL Figure 6.1: BUCK-BOOST Converter www. Vout Parameter name Symbol Value Input voltage V₁ 20 V Output Capacitor C 50 μF Inductor L 20 KH Load resistance R 10Q Duty Cycle D 0.4 Duty cycle, D Table 2b: Variation in duty cycle, D Output voltage, V 0.4 0.5 0.6 PROBLEMS 1. Briefly describe the operation of the BUCK Converter, BOOST Converter and BUCK-BOOST Converter. 2. What is the effect of varying the duty cycle, D to the output voltage waveform, V in BUCK-BOOST Converter? 3. Why there is a discrepancy between the calculation and the simulation results?