Power supply circuit and LED driving system using same

• Main Authors: HE YINGYAN, LIU GUOQIANG
• Format: Patent
• Language: Chinese; English
• Published: 28.10.2022
• 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; ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; GENERATION

The invention provides a power supply circuit and an LED driving system applying the same, the power supply circuit comprises a linear conversion circuit, a first capacitor and a DC-DC conversion circuit, alternating current input is rectified to obtain first rectified voltage, the linear conversion...