A series regulator LM317T has a full wave rectified voltage input. The output of the center tapped supply transformer is 12 vac (6 v on either side of the center tap). The series regulator output is designed to output 5 V at 0.45 A. Assume that the peak input voltage to the regulator cannot drop below 13 volts. This will establish the ripple voltage on the input to the regulator. Assume Vdiode is 0.7 volts. What is the size of the required input capacitor in microfarads? See email for appropriate figure. O a. 500 O b. 550 O. 660 O d. 612 O e. 700
A series regulator LM317T has a full wave rectified voltage input. The output of the center tapped supply transformer is 12 vac (6 v on either side of the center tap). The series regulator output is designed to output 5 V at 0.45 A. Assume that the peak input voltage to the regulator cannot drop below 13 volts. This will establish the ripple voltage on the input to the regulator. Assume Vdiode is 0.7 volts. What is the size of the required input capacitor in microfarads? See email for appropriate figure. O a. 500 O b. 550 O. 660 O d. 612 O e. 700
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Transcribed Image Text:A series regulator LM317T has a full wave rectified voltage input. The output of the center tapped supply transformer is 12 vac (6 v on either side of the center tap). The series regulator output is designed to output 5 V at 0.45 A.
Assume that the peak input voltage to the regulator cannot drop below 13 volts. This will establish the ripple voltage on the input to the regulator. Assume Vdiode is 0.7 volts. What is the size of the required input capacitor in
microfarads? See email for appropriate figure.
O a. 500
O b. 550
O. 660
O d. 612
O e. 700
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