毕业设计（论文）-LED控制电路设计

目 录 TOC \o "1-2" \h \z \u HYPERLINK \l "_Toc262122721" 摘 要 PAGEREF _Toc191992731 \h I HYPERLINK

目录 I 摘要 .................................................... II Abstract ...................................................................................................... 1. 绪论 ...................................................................................................... 1 1.1 引言 .................................................................................................. 1 1.2 ................................................................. 1 国内外研究现状及发展趋势 1.3 ............................................................................................. 2 研究的内容 2. LED 控制电路总体方案 ............................................................................ 4 2.1 LED ....................................................................................... 4 光电特性 2.2 LED ................................................................................... 6 的驱动方式 2.3 .................................................................................... 8 电源的设计方案 2.4 ............................................................................ 9 时间控制的设计方案 3. LED 控制电路设计 ................................................................................. 11 3.1 .......................................................................................... 11 系统的功能 3.2 LED ..................................................................................... 11 驱动设计 3.3 .......................................................................................... 12 电源的设计 3.4 .................................................................................. 21 时间控制的设计 3.5 ...................................................................................... 27 总体电路设计 4. 结论 .................................................................................................... 29 致谢 ...................................................................................................... 30 附录 ...................................................................................................... 31 参考文献 ................................................................................................... 33