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E급 스위칭 Mode DC-DC Converter에 관한 연구
남승식,김동희,노채균 嶺南大學校 工業技術硏究所 1992 연구보고 Vol.20 No.1
This paper proposes a DC-DC Converter of high frequency inverter control type of E class switching mode to reduce switching loss by constructing a resonance type DC-DC Converter. The steady state characteristics of the proposed circuit is analyzed by mormalized parameters. In addition, the characteristics of proposed DC-DC converter of E class switching mode is evaluated by describing the characteristics frequency, load, switching voltage and current. Based on the characteristic values, a method of circuit design is proposed. A constant output is controlled by PWM and PFM-TRC method using power MOSFET. By means of experiment, the proposed theory is proved and the results show that it can be used for practical purposes.
노채균,김동희,남승식,김성철 嶺南大學校 工業技術硏究所 1995 工業技術硏究所論文集 Vol.23 No.2
As electionic application system such as data processing communication system and control measurement system get larger, high accuracy, high efficiency, small size and light weight for DC power supply are required. This paper processes a type of circuit that can be controlled by PWM and PFM-TRC method using Thyristor as switching element. And some data essential to system design are obtained by evaluating characteristic of the proposed circuit in terms of chopper frequency, energy storage period and load resistor using normalized parameter. The characteristic analysis of the proposed circuit is illustrated by experiment.