摘要
基于L6565D控制芯片,以直流电压为输入,设计反激式开关电源,作为电力电子变换器中的辅助电源。设计RCD钳位电路参数,吸收变压器漏感能量,减小功率器件电压应力;利用准谐振技术,实现功率开关器件的低电压导通,降低交叉损耗,提高电源效率。最后通过仿真和实验结果验证了电路设计的可行性。
Based on L6565D control chip,a flyback switching power supply is designed with DC voltage as input as the auxiliary power supply of power electronic converter in this paper.The parameters of RCD clamp circuit are designed to absorb the leakage inductance energy of transformer and reduce the voltage stress of the power switching device.The quasi resonant technology is used to realize the low-voltage conduction of the power switching device,reduce the cross loss and improve the power efficiency.Finally,the feasibility of circuit design is verified by simulation and experimental results.
出处
《工业控制计算机》
2022年第2期140-142,160,共4页
Industrial Control Computer
