Rainbow Electronics MAX5945 - Manual (Page 37)

MAX5945
Quad Network Power Controller
for Power-Over-LAN
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Figure 14. PoE System Block Diagram
MAX5945
QUAD PoE
CONTROLLER
MAX5020
-48V TO +3.3V
DC-DC
MAX5940B
PD INTERFACE
CONTROLLER
MAX5014
DC-DC
CONVERTER
GND
-48V
PHY
DATA
PHY LOAD
DATA
POWER
3.3V -48V
POWER
MAX5941/MAX5942
PD INTERFACE AND
DC-DC CONVERTER
OR
PSE (SWITCHES/ROUTERS, ETC) PD (IP PHONE, WIRELESS ACCESS POINT, SECURITY CAMERAS, ETC.)
RJ–45 RJ–45
POWER AND DATA
OVER TWISTED-PAIR
ETHERNET CABLE
VOUT
Applications Information