??????????о?????????????????????? ?????100W???????????
?й???2019??4??4?? - ??????????о??????????????????????????????(PoE)?淶IEEE 802.3bt????????????????????????????豸(PD)??PM8804??PM8805??????????豸??PoE???????·?????????????71W??8??PoE?豸????о????????·??????????????????????????????????????????????豸??????5G??С????????WLAN?????????????·???????????????PoEо??????????????????????????????豸?????磬IP???????????????????塢?????綯????????????????????????????IP?绰????????????
PM8804??????????????????????48V????????????????????????PWM????????????????Ч????λ????????????????????????????????????????????1MHz???????????????????????С???????????????????PM8804??????20mA????????????????????????????·??????????嵥??PM8805????о?????2??????????1?????????????MOSFET????á?1??????FET??IEEE 802.3bt?????????????????????8??????MOSFET??????????·????????PM8805??????????????????????????PM8804????????·(???磬LED??????)??????????????(MPS)?????????????????豸???????????????????????????????????????????PM8804????3mm x 3mm??0.5mm????VFQFPN-16?????PM8805?????????8mm x 8mm????????VFQFPN-43????? 
????admin ?????????2019-08-01
