llc电路的闭环saber仿真模型。控制芯片是UC3863.大家可以下载下来仿真一下，改改数据就可以是自己的模型了。运行环境为saber2007.-llc loop saber circuit simulation model. Control chip is not 3863. What we can download the simulation, you can change to change their own data model. Operating environment for