Question: A boost regulator has an input voltage, Vs = 9 V . The average output voltage, Va = 1 5 V and average load current,

A boost regulator has an input voltage, Vs =9 V. The average output voltage, Va =15 V and average load current, Ia =0.8 A. The switching frequency is 20 kHz. If L =320 H and C =400 F, determine (a) the duty cycle k (b) the ripple current of inductor, I,(c) the ripple voltage of filter capacitor, Vc, and (d) the critical values of L and C.

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