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(a) Figure Q4(a) shows the DC-DC converter that is capable to deliver output voltage of 30 VDC voltage. The converter has varying input voltage source ranging from 12 VDC to 18 VDC and the output power is 10 Watt. The switching frequency of the switching device is 80 kHz and the required minimum ripple of DC-DC converter is 2.5%. L1 D1 PWM Generator Q1 RL V, = 30 VDC 12 - 18 VDC Vin Ci R1 Figure Q4(a): ADC-DC converter (i) State the purpose of resistor R1 in the circuit (ii) Determine the range of the duty cycle D for the converter to deliver output voltage of 30 VDC voltage from varying input voltage ranging from 12 VDC to 18 VDC. (iii) Determine the minimum value of the inductor L1 based on the range of duty cycle D that is calculated in Question Q4(a)(ii) for continuous current mode of the converter. ww

(a) Figure Q4(a) shows the DC-DC converter that is capable to deliver output voltage of 30 VDC voltage. The converter has varying input voltage source ranging from 12 VDC to 18 VDC and the output power is 10 Watt. The switching frequency of the switching device is 80 kHz and the required minimum ripple of DC-DC converter is 2.5%. L1 D1 PWM Generator Q1 RL V, = 30 VDC 12 - 18 VDC Vin Ci R1 Figure Q4(a): ADC-DC converter (i) State the purpose of resistor R1 in the circuit (ii) Determine the range of the duty cycle D for the converter to deliver output voltage of 30 VDC voltage from varying input voltage ranging from 12 VDC to 18 VDC. (iii) Determine the minimum value of the inductor L1 based on the range of duty cycle D that is calculated in Question Q4(a)(ii) for continuous current mode of the converter. ww

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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(a) Figure Q4(a) shows the DC-DC converter that is capable to deliver output voltage of 30 VDC voltage. The converter has varying input voltage source ranging from 12 VDC to 18 VDC and the output power is 10 Watt. The switching frequency of the switching device is 80 kHz and the required minimum ripple of DC-DC converter is 2.5%. L1 DI PWM Generator Q1 12 - 18 VDC Vin C1 RL = 30 VDC R1 Figure Q4(a): ADC-DC converter (i) State the purpose of resistor R1 in the circuit (ii) Determine the range of the duty cycle D for the converter to deliver output voltage of 30 VDC voltage from varying input voltage ranging from 12 VDC to 18 VDC. (iii) Determine the minimum value of the inductor L1 based on the range of duty cycle D that is calculated in Question Q4(a)(ii) for continuous current mode of the converter. (iv) Determine the minimum value of the capacitor C1 to achieve the required minimum ripple voltage. ww
Transcribed Image Text:(a) Figure Q4(a) shows the DC-DC converter that is capable to deliver output voltage of 30 VDC voltage. The converter has varying input voltage source ranging from 12 VDC to 18 VDC and the output power is 10 Watt. The switching frequency of the switching device is 80 kHz and the required minimum ripple of DC-DC converter is 2.5%. L1 DI PWM Generator Q1 12 - 18 VDC Vin C1 RL = 30 VDC R1 Figure Q4(a): ADC-DC converter (i) State the purpose of resistor R1 in the circuit (ii) Determine the range of the duty cycle D for the converter to deliver output voltage of 30 VDC voltage from varying input voltage ranging from 12 VDC to 18 VDC. (iii) Determine the minimum value of the inductor L1 based on the range of duty cycle D that is calculated in Question Q4(a)(ii) for continuous current mode of the converter. (iv) Determine the minimum value of the capacitor C1 to achieve the required minimum ripple voltage. ww
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