Analysis of Buck, Boost, and Flyback Topologies Using for Active Power Factor Correction

Balal, Afshin; Herrera, Miguel Angel García; Chuang, Yao Lung; Balali, Shahab

doi:10.1109/itss-ioe53029.2021.9615337

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2022

2023

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Cited by 4 publications

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“…1 shows a regular buck converter.According to Fig. 1, a regular buck contains one MOSFET, one diode, one inductor, and two capacitors [11]. This paper compares the regular buck with a synchronous buck [12].…”

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Design and Simulation of Synchronous Buck Converter in Comparison with Regular Buck Converter

Zomorodi

Nazari

2022

IJRCS

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In a variety of low-power applications, a step-down dc-dc converter is used to reduce the voltage from a higher level. The two types of dc-dc converters are a regular buck and synchronous buck. The synchronous buck utilizes two switches and one diode, whereas the regular buck uses one switch and one diode. Many converters rely on the power components' switching qualities to work. A second MOSFET is required due to the diode's higher conduction losses. Because of the diode's conduction losses, the converter's efficiency may be reduced. The use of a synchronous buck converter improves efficiency by reducing diode losses. The main goal of this study is to compare and contrast these two low-power step-down converters. The simulation in this work was performed using the LTSPICE program.

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