1122334455667788DDCCBBAATitleNumberRevisionSizeA3Date:2019/12/12 星期四Sheet ofFile:D:\AIR\新建文件夹\POE电源转换.SchDocDrawn By:RJ458877554466332211JP11122334455667788991010111112121313141415151616H1601U11H1601POE_L45POE_L78POE_L12POE_L36POE供电注:芯片附近应增大GND面积,助于散热;POE+和POE-走线尽量加粗-1~2~3+4U5MB6S-1~2~3+4U10MB6SPOE+POE-C170.1uF/100VR2824kR2351kQ2NMOSD2BZT52C27SD3BZT52C15SC160.1uF/100VC1522uF/100VR31100kFB1PGND0VIN3BST4SW5DIM6EN7GND8U12MP9486APOE_L12POE_L36POE_L45POE_L78POE+POE+C262.2uF/100VC272.2uF/100VR424.7k312Q3S8050R4610kL147uH/1.5AD5SS510C230.1uF/100VR43590kR444.7kR4510kC290.1uFC25220uF/25VC2810uFD4SS34V_INVIN12V假负载,建议20k~24k1/8W--0805以上封装有发热，推荐使用TO-252或SO-8-EP封装可使用其他输入电压大于50V电源管理芯片代替多电源同时使用选择其他电源供电控制电路以太网口POE-