Title :
A new PWM control scheme using a triangle waveform modulated by output voltage
Author :
Zhao, Jinbin ; Sato, Terukazu ; Nabeshima, Takashi ; Nakano, Tadao
Author_Institution :
Dept. of Electr. & Electron. Eng., Oita Univ., Japan
Abstract :
In this paper, a new PWM control scheme using a triangle waveform modulated by output voltage is presented. Since the proposed control scheme only uses a comparator with hysteresis and a feedback resistor, numbers of components in a control circuit are reduced. In addition, because no error amplifier is used, the stability of the converter becomes excellent. The steady-state analysis of the proposed converter is performed and verified by the experiments.
Keywords :
PWM power convertors; comparators (circuits); resistors; switching convertors; transient response; PWM control scheme; converter stability; fast transient response; feedback resistor; hysteresis comparator; hysteresis resistor; steady-state analysis; switching regulator; triangle waveform modulation; Capacitors; Circuits; Equations; Hysteresis; Operational amplifiers; Pulse width modulation; Regulators; Resistors; Steady-state; Voltage control;
Conference_Titel :
Applied Power Electronics Conference and Exposition, 2004. APEC '04. Nineteenth Annual IEEE
Print_ISBN :
0-7803-8269-2
DOI :
10.1109/APEC.2004.1295840
