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| 一种自激式调光LED驱动电源的设计 |
| Design of a Self-excited Dimmable LED Driving Power Supply |
| 投稿时间：2016-07-09 |
| DOI：10.16018/j.cnki.cn32-1650/n.201702007 |
| 中文关键词: RCC LED 间歇振荡 调光 成本低 |
| 英文关键词: RCC LED intermittent oscillation dimming low cost |
| 基金项目: |
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| 中文摘要: |
| 自激式反激变换器电路结构简单、高效可靠、成本低，对输入电压的变化有较好的适应能力。提出了一种基于电流型RCC电路的调光LED驱动电源，系统由EMI滤波电路、整流电路、π型滤波电路、无源泄放电路、自激振荡电路、振荡控制电路以及输出电路组成，具有短路与断路保护功能，且与TRIAC调光器兼容性好，效率高，实际应用效果良好。 |
| 英文摘要: |
| The self-excited flyback converter has the advantages of simple circuit structure, high efficiency, reliability, low cost and good adaptability to the change of the input voltage. A dimming LED driving power supply based on current mode RCC circuit is proposed. The system consists of EMI filter circuit, rectifier circuit, π type filter circuit, passive discharge circuit, self-excited oscillation control circuit and output circuit. It has the functions of short circuit and open circuit protection, and has the advantages of good compatibility with the TRIAC dimmer, high efficiency and good practical application. |
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