In the following circuit of buck - boost regulator:Input voltage = 12V, duty cycle = 0.25 and switching frequency = 25 kHz, L = 125 μH and C = 220 μF. The average load current = 1.25A.Following statements are given:(a) Average output voltage = 4.8 V(b) Peak to peak output ripple voltage = 5.68 V(c) Average output voltage = − 4 V(d) Peak to peak output ripple voltage = 56.8 mVWhich one is the correct option:

In the following circuit of buck - boost regulator:Input voltage = 12V

1.	In the following circuit of buck - boost regulator:Input voltage = 12V, duty cycle = 0.25 and switching frequency = 25 kHz, L = 125 μH and C = 220 μF. The average load current = 1.25A.Following statements are given:(a) Average output voltage = 4.8 V(b) Peak to peak output ripple voltage = 5.68 V(c) Average output voltage = − 4 V(d) Peak to peak output ripple voltage = 56.8 mVWhich one is the correct option:
A.	(a) and (b)
B.	(b) and (c)
C.	(c) and (d)
D.	(a) and (d)
Answer» D. (a) and (d)

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