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

전압모드 PWM DC/DC 전력 컨버터 설계연구

  • 노영환 (우송대학교 철도전기정보통신학부)
  • Received : 2011.05.24
  • Accepted : 2011.09.01
  • Published : 2011.10.26

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.

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  2. A Study on the Leading Phase Operation of Single Phase PWM Converter Train vol.15, pp.4, 2012, https://doi.org/10.7782/JKSR.2012.15.4.357
  3. TID and SEL Testing on PWM-IC Controller of DC/DC Power Buck Converter vol.41, pp.1, 2013, https://doi.org/10.5139/JKSAS.2013.41.1.79
  4. TID and SEGR Testing on MOSFET of DC/DC Power Buck Converter vol.42, pp.11, 2014, https://doi.org/10.5139/JKSAS.2014.42.11.981