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- = 400KHZ. Q1. In a Boost converter, L = 25 μH, Vin = 12 V, D = 0.4, P = 25 W, and fs (i) if the output load is changing. Calculate the critical value of the output load P,below which the converter will enter the discontinuous conduction mode of operation. Assume the total turn-on loss is equal to 2 W. (ii) Assuming the input voltage fluctuates from 10 V to 14 V and the output voltage is regulated to 20 V. Calculate the critical value of the inductance L below which this Boost converter will enter the discontinuous conduction mode of operation at P = 5 W. (iii) Draw the waveforms for inductor voltage, inductor current, and the capacitor current for this Boost converter at the output load that causes it to operate at the border of continuous and discontinuous modes. vd tow 77 N₂ AT 22 1-1

- = 400KHZ. Q1. In a Boost converter, L = 25 μH, Vin = 12 V, D = 0.4, P = 25 W, and fs (i) if the output load is changing. Calculate the critical value of the output load P,below which the converter will enter the discontinuous conduction mode of operation. Assume the total turn-on loss is equal to 2 W. (ii) Assuming the input voltage fluctuates from 10 V to 14 V and the output voltage is regulated to 20 V. Calculate the critical value of the inductance L below which this Boost converter will enter the discontinuous conduction mode of operation at P = 5 W. (iii) Draw the waveforms for inductor voltage, inductor current, and the capacitor current for this Boost converter at the output load that causes it to operate at the border of continuous and discontinuous modes. vd tow 77 N₂ AT 22 1-1

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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- = 400KHZ. Q1. In a Boost converter, L = 25 μH, Vin = 12 V, D = 0.4, P = 25 W, and fs (i) if the output load is changing. Calculate the critical value of the output load P,below which the converter will enter the discontinuous conduction mode of operation. Assume the total turn-on loss is equal to 2 W. (ii) Assuming the input voltage fluctuates from 10 V to 14 V and the output voltage is regulated to 20 V. Calculate the critical value of the inductance L below which this Boost converter will enter the discontinuous conduction mode of operation at P = 5 W. (iii) Draw the waveforms for inductor voltage, inductor current, and the capacitor current for this Boost converter at the output load that causes it to operate at the border of continuous and discontinuous modes. vd tow 77 N₂ AT 22 1-1
Transcribed Image Text:- = 400KHZ. Q1. In a Boost converter, L = 25 μH, Vin = 12 V, D = 0.4, P = 25 W, and fs (i) if the output load is changing. Calculate the critical value of the output load P,below which the converter will enter the discontinuous conduction mode of operation. Assume the total turn-on loss is equal to 2 W. (ii) Assuming the input voltage fluctuates from 10 V to 14 V and the output voltage is regulated to 20 V. Calculate the critical value of the inductance L below which this Boost converter will enter the discontinuous conduction mode of operation at P = 5 W. (iii) Draw the waveforms for inductor voltage, inductor current, and the capacitor current for this Boost converter at the output load that causes it to operate at the border of continuous and discontinuous modes. vd tow 77 N₂ AT 22 1-1
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