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The buck regulator in the next figure has an input voltage Vs = 15 V. The required average output voltage Va = 6.5 V at la = 0.5 A and the peak-to-peak output ripple voltage is 10 mV. The switching frequency is 20 kHz. The peak-to-peak ripple current of inductor is limited to 0.25 A. Determine (a) the duty cycle k, (b) the filter inductance L, O the filter capacitor C, and (d) the critical values of L and C. Q1 +eL iL + + ile io,la 10 Control Dm C Vc vo. V Load

The buck regulator in the next figure has an input voltage Vs = 15 V. The required average output voltage Va = 6.5 V at la = 0.5 A and the peak-to-peak output ripple voltage is 10 mV. The switching frequency is 20 kHz. The peak-to-peak ripple current of inductor is limited to 0.25 A. Determine (a) the duty cycle k, (b) the filter inductance L, O the filter capacitor C, and (d) the critical values of L and C. Q1 +eL iL + + ile io,la 10 Control Dm C Vc vo. V Load

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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The buck regulator in the next figure has an input voltage Vs = 15 V. The required average output voltage Va = 6.5 V at la = 0.5 A and the peak-to-peak output ripple voltage is 10 mV. The switching frequency is 20 kHz. The peak-to-peak ripple current of inductor is limited to 0.25 A. Determine (a) the duty cycle k, (b) the filter inductance L, O the filter capacitor C, and (d) the critical values of L and C. Q1 +eL iL + + ile io,la 10 Control Dm C Vc vo. V Load
Transcribed Image Text:The buck regulator in the next figure has an input voltage Vs = 15 V. The required average output voltage Va = 6.5 V at la = 0.5 A and the peak-to-peak output ripple voltage is 10 mV. The switching frequency is 20 kHz. The peak-to-peak ripple current of inductor is limited to 0.25 A. Determine (a) the duty cycle k, (b) the filter inductance L, O the filter capacitor C, and (d) the critical values of L and C. Q1 +eL iL + + ile io,la 10 Control Dm C Vc vo. V Load
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