论文标题
基于回飞的多重输出DC-DC转换器具有独立电压法规
Flyback-Based Multiple Output dc-dc Converter with Independent Voltage Regulation
论文作者
论文摘要
本文提出了一个新的单个输入多重输出电源，通过集成回飞转换器和几个目标转换器。 Flyback Converter作为主要调节器的工作原理，而Buck转换器则提供串联电压补偿，目的是严格调节。提出了时间多路复用开关方案，以通过两个绕组变压器传递多个输出电压水平，并消除输出通道之间的交叉调节。这种配置减少了反式变压器和滤波器电容器的大小，因此改善了整体外形。在电路上进行了详细的稳态分析以获得设计标准。设计了三个输出通道电源，并通过使用MATLAB/SIMSCAPE模型模拟验证了所提出的配置的有效性。仿真结果还证明了对负载变化的令人满意的短暂响应。
This paper proposes a new single input multiple output power supply by integrating a flyback converter and several buck converters. The flyback converter works as the main regulator, and the buck converters provide series voltage compensation with the aim of tight regulation. A time multiplexing switching scheme is proposed to deliver multiple output voltage levels via a two winding transformer and to eliminate the cross regulation between output channels. This configuration reduces the size of flyback transformer and filter capacitors, and consequently improves the overall form factor. A detailed steady state analysis is conducted on the circuit to obtain the design criteria. A three output channel power supply is designed and the effectiveness of the proposed configuration is validated via simulation with a MATLAB/Simscape model. Simulation results also demonstrate satisfactory transient response to load changes.
