TL431是仪器仪表,单片机项目等经常使用的廉价精密稳压管,这里提供"三合一"的文件,包括数据手册,特性参数,应用示例.....给朋友们提供方便.-TL431 is the instrumentation, microcontroller projects, often using low-cost precision regulator, here to provide " triple play"　of the documents, including data sheets, characteristic parameters, application examples ..... to friends with ease.