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http://dx.doi.org/10.7782/JKSR.2011.14.5.411

A Study on the Design of Voltage Mode PWM DC/DC Power Converter  

Lho, Young-Hwan (우송대학교 철도전기정보통신학부)
Publication Information
Journal of the Korean Society for Railway / v.14, no.5, 2011 , pp. 411-415 More about this Journal
Abstract
DC/DC switching power converters are commonly used to generate a regulated DC output voltages with high efficiencies from different DC input sources. The voltage mode DC/DC converter utilizes MOSFET (metal-oxide semiconductor field effect transistor), inductor, and a PWM (pulse-width modulation) controller with oscillator, amplifier, and comparator, etc. to efficiently transfer energy from the input to the output at periodic intervals. The fundamental boost converter and a buck converter containing a switched-mode power supply are studied. In this paper, the electrical characteristics of DC/DC power converters are simulated by program of SPICE, and the PWM controller is implemented to check the operation. In addition, power efficiency is analyzed based on the specification of each component.
Keywords
DC/DC converter; PWM; On-resistance; Power efficiency; Metal-oxide semiconductor field effect transistor;
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Times Cited By KSCI : 3  (Citation Analysis)
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