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This paper proposes a new interleaved flyback topology based on hysteretic control. The output current ripple can be reduced with the interleaved structure, and both switches can achieve Zero-voltage-switching (ZVS). Besides, the energy of leakage inductance can be fully recycled, which will improve the efficiency of the converter. The topology is based on hysteresis control, with this control scheme,...
A new hysteretic control strategy with output capacitor equivalent series resistance (ESR) ripple compensation is presented. With such compensation, the effect of output capacitor ESR ripple voltage is enhanced. When step load change occurs, feedback of the output ripple adjusts the duty ratio promptly. In result, the proposed control scheme gains faster transient response speed and better steady...
In this paper, a new constant on-time control with output capacitor equivalent series resistance (ESR) ripple compensation and offset cancellation for buck converter is presented. The proposed controller uses lossless capacitor current sensing circuit and an offset-cancellation circuit, which not only improves system stability, but also eliminates the output dc offset.
This paper propose a fast transient buck converter using hysteresis PWM control, which is based on output ripple voltage and inductor ripple current for charging and discharging characteristics of capacitor C. The proposed control strategy is very simple and solves the compensation problem of the error amplifier in conventional voltage PWM control. It achieves both faster transient response and quasi...
A hysteresis control strategy based on the modulation of output voltage for Buck converter is proposed in this paper, which offers faster transient response and better stability. The small signal is derived, dynamic analysis and evaluation of control strategy is performed and verified by simulation and experiment results.
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