Synchronous rectification circuit of forward power supply

• Main Authors: LIU MINGJIE, GU GUOHUI
• Format: Patent
• Language: Chinese; English
• Published: 22.08.2023
• Subjects: APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS; CONTROL OR REGULATION THEREOF; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION

The utility model discloses a synchronous rectification circuit of a forward power supply, which relates to the power supply rectification technology and comprises an output circuit processing circuit, a driving circuit, a synchronous rectification circuit, a feedback circuit and a sampling circuit. The output circuit processing circuit is electrically connected with the driving circuit and the synchronous rectification circuit; and the feedback circuit is electrically connected with the driving circuit, the synchronous rectification circuit and the sampling circuit. The beneficial effects of the utility model are that the rectification function is realized by adopting discrete components, materials are easy to purchase, the circuit debugging is convenient, the production cost is reduced, and the production quality is ensured. 本实用新型公开了一种正激式电源的同步整流电路，涉及电源整流技术，包括输出电路处理电路、驱动电路、同步整流电路、反馈电路以及取样电路；所述输出电路处理电路与所述驱动电路以及同步整流电路电连接；所述反馈电路与所述驱动电路、同步整流电路以及取样电路电连接。本实用新型的有益效果是：采用分立元件实现整流功能，采购物料简单，电路调试方便，既降低了生产成本，又保证了生产质量。