The given converterhas the following requirements:Vin:250VVout: 50V regulatedLoad power: 200WSwitching frequency: 100kHzMax. output ripple: 20mVQ1G1 ↑VinQ2 VnVoutЛG2↑(a) Differentiate the difference and advantage of the synchronous buckconverter with a typical buck converter circuit.L1HHC1 QUESTION 1Design a high efficiency 3.3 V, 5A d.c.to d.c. power converter from a 4 to 5.5 Vdcsource. The maximum allowable inductor current ripple and output voltage rippleare 0.1A and 20 mV, respectively. Assume a switching frequency of 20 kHz.a) Design a suitable converter power circuit using a MOSFET switch, showing allcalculation of inductor and capacitor values and drawing a circuit diagram ofthe final design including component values. Indicate the peak inverse voltageand forward current rating of any diode required, and the maximum drain-source voltage of the MOSFET.b) On the Schematic diagram, draw the path of the current flow during the ON timeand the OFF time.c) Describe the effect of changing the values of the inductor and the capacitor in thecircuit.d) What is the effect of switching frequency in the circuit?e) Draw the schematic diagram of a circuit with the output voltage higher than theinput voltage.

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(a) Differentiate the difference and advantage of the synchronous buck converter with a typical buck converter circuit.

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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2. Given the circuit a. State how each switch can be realized using transistors and/or diodes, and whether the realization requires single-quadrant, current/voltage bi-directional two quadrant switch or four quadrant switches then redraw the circuit. b. Solve the converter to determine the inductor currents, capacitor voltages and conversion ratio. Ignore all losses.
A thyristor half-wave controlled converter has a supply voltage of 240V at 50Hz and a load resistance of 100 ohms. What are the average values of load voltage and current when firing delay angle is; 1. 140 degrees. 2. 30 degrees.
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