Q4: Design a buck converter such that the output voltage varies between from 20V to 28V while the input voltage is 40V. The maximum load power is 200Wdc. Assume the switching frequency is 15kHz. (a) Design the converter such that it will be in continuous current mode. (b) The capacitor realized output voltage ripple must not be more than 1% at worst case. (c) The inductance realizes CCM at worst case. (d) Select the appropriate switch and other elements...

Q4: Design a buck converter such that the output voltage varies between from 20V to 28V while the input voltage is 40V. The maximum load power is 200Wdc. Assume the switching frequency is 15kHz. (a) Design the converter such that it will be in continuous current mode. (b) The capacitor realized output voltage ripple must not be more than 1% at worst case. (c) The inductance realizes CCM at worst case. (d) Select the appropriate switch and other elements...

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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In the Buck - Boost DA-DA converter circuit, given below; 1) Source voltage (E) value: in the voltage range of [AB] (Volts) 2) Switching frequency (f) value: M kHz 3) Voltage between load terminals (Vload) F (Volt) 4) Capacitance value 470 (UF) 5) Load current lload) value: [KS] (Amps) current range The lowest Linductance value that can keep the DC-DC converter in continuous current condition under The lowest ripple (AIL) amount of the current passing through the coil (L) is given below in Amps. Which option do you see? A = 40 Volts B = 80 Volts M = 25kHz F = 55 Volts K = 10 Amps S = 25 Amps
The circuit diagram of step-up type DC-DC converter is given below. It is assumed that the output capacitor is large enough and the output voltage is constant. (Consider that there is no circuit losses.) Select an inductance value for the CCM operating state of the circuit. With this inductance value, taking into account the minimum input voltage and minimum output current, calculate the value of C so that the output voltage has a fluctuation of 1%.
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