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 mV
Which one is the correct option:
1
(a) and (b)
2
(b) and (c)
3
(c) and (d)
4
(a) and (d)