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(b)Sketch the waveforms of the gate drive voltages G1 and G2 assuming a duty cycle of 25% and a maximum gate drive voltage of 10V. How would you prevent the two MOSFET to turn on simultaneously.

(b)Sketch the waveforms of the gate drive voltages G1 and G2 assuming a duty cycle of 25% and a maximum gate drive voltage of 10V. How would you prevent the two MOSFET to turn on simultaneously.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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The given converterhas the following requirements: Vin: 250V 50V regulated Load power: 200W Switching frequency: 100kHz Max. output ripple: 20mV Vout: A Q1 L G1 1 L1 Vin Q2 Vn C1 Vout G2 (a) Differentiate the difference and advantage of the synchronous buck converter with a typical buck converter circuit. 15
Transcribed Image Text:The given converterhas the following requirements: Vin: 250V 50V regulated Load power: 200W Switching frequency: 100kHz Max. output ripple: 20mV Vout: A Q1 L G1 1 L1 Vin Q2 Vn C1 Vout G2 (a) Differentiate the difference and advantage of the synchronous buck converter with a typical buck converter circuit. 15
(b)Sketch the waveforms of the gate drive voltages G1 and G2 assuming a duty cycle of 25% and a maximum gate drive voltage of 10V. How would you prevent the two MOSFET to turn on simultaneously. (c) Calculate L1 and C1, stating all necessary design criteria (e.g. value of duty cycle at the required output voltage). (d)Describe the circuit if a capacitor is connected across the input of the synchronous buck converter. Draw the equivalent circuit to describe the function.
Transcribed Image Text:(b)Sketch the waveforms of the gate drive voltages G1 and G2 assuming a duty cycle of 25% and a maximum gate drive voltage of 10V. How would you prevent the two MOSFET to turn on simultaneously. (c) Calculate L1 and C1, stating all necessary design criteria (e.g. value of duty cycle at the required output voltage). (d)Describe the circuit if a capacitor is connected across the input of the synchronous buck converter. Draw the equivalent circuit to describe the function.
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