The main circuit uses quasi-resonance PWM-boost soft-switching topology and the controller is composed of the average current control circuit and the soft-switching control circuit in the proposed converter circuit.
主电路采用准谐振PWM-Boost软开关拓扑结构,控制电路采用平均电流控制技术和软开关控制技术相结合的形式。
Mathematical model for half-bridge ZCS quasi-resonant CO_2 laser switching power supply;
半桥零电流准谐振CO_2激光器开关电源数学模型的构建
A novel quasi-resonant snubber for steep current impulse is presented,and the relationships among turn-off time,linearity of fall edge and device parameters are analyzed and proved by Matlab,PSi.
文中讨论了常规吸收电路对脉冲下降沿线性度、关断延时、电压应力等方面产生的影响,计算了电路参数最优解,提出了一种准谐振型吸收电路,分析了电路参数与关断延时、下降沿线性度的关系,运用Matlab和PSim进行了计算和仿真分析。
In this paper,Based on the operation principle of quasi-resonant converter for flyback power switch,the practical method of establishing the main design parameter is discussed,the integrated circuits design method of quasi-resonant convert for TV flyback power switch is introduced, and the discrete component design method of quasi-resonant convert is given.
基于反激式开关电源准谐振变换器的工作原理,本文讨论了一种确定电源主要设计参数的实用方法,介绍了在电视机反激式开关电源中实现准谐振变换的集成电路设计方法,给出了准谐振变换的分立元件设计方法。
This paper presents a history of the development of soft switching technology and the fresh research state,which contains quasi resonance circuit,zero switching PWM circuit and zero transition PWM circuit.
详细地介绍了软开关技术发展的历史及最新研究现状,其中包括准谐振电路、零开关PWM电路和零转换PWM电路,指出了软开关技术的新进展,并给出了部分典型电路。
Application of quasi-resonant mode switch controller in TV power;
准谐振模式开关控制器在电视机电源中的应用
Under current,over voltage,overload protection function,DSS,quasi-resonant mode,jitter period principal were all analyzed.
分析了准谐振模式变换器中的欠电流、过电压、过载保护等功能、动态自供电(DSS)、准谐振工作、跳跃周期工作原理。