摘要
介绍了一种基于SG3525的单极性SPWM控制电路,其中包括取样电路、基准电路、SPWM脉冲形成电路、编码延时驱动电路。该电路简单,容易实现,可作为实现单极性DC/AC电源SPWM控制器的参考。
A unipolar SPWM controlling circuit based on SG3525 is introduced. It includes that sampling circuit, reference circuit, SPWM pulse forming circuit, coding and delay and driving circuit. This circuit is simple and easy realization. It is reference for realizing unipolar SPWM controlling circuit of DC/AC power supply.
出处
《电源技术应用》
2007年第9期30-33,41,共5页
Power Supply Technologles and Applications
