A hybrid DC-DC buck converter for very low voltage gain at high efficiency

A hybrid dc-dc step-down converter is designed to achieve a low output to input voltage conversion ratio with high efficiency. Both switched capacitor and switched inductor topologies are used to develop the proposed buck converter. The mathematical model of the proposed buck circuit is derived cons...

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Main Authors: Rahman, Md. Ashiqur, Sakib, Sadman, Sarowar, Golam, Khan, Md. Fahim Hasan, Reza, Md. Zamilur
Format: Conference Proceeding
Language:English
Subjects:
buck converter
Buck converters
Capacitors
Conferences
efficiency
Inductors
Mathematical model
switched-capacitor
switched-inductor
Switches
Switching circuits
voltage conversion ratio
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creator Rahman, Md. Ashiqur
Sakib, Sadman
Sarowar, Golam
Khan, Md. Fahim Hasan
Reza, Md. Zamilur
description A hybrid dc-dc step-down converter is designed to achieve a low output to input voltage conversion ratio with high efficiency. Both switched capacitor and switched inductor topologies are used to develop the proposed buck converter. The mathematical model of the proposed buck circuit is derived considering continuous conduction mode of operation. The steady-state analysis of the converter is validated by simulation result from MATLAB SIMULINK The proposed converter maintains efficiency higher than 90% for a load of 100W-250W.
doi_str_mv 10.1109/R10-HTC.2017.8289056
format conference_proceeding
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source IEEE Xplore All Conference Series
subjects buck converter
Buck converters
Capacitors
Conferences
efficiency
Inductors
Mathematical model
switched-capacitor
switched-inductor
Switches
Switching circuits
voltage conversion ratio
title A hybrid DC-DC buck converter for very low voltage gain at high efficiency
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