max5945caxt Maxim Integrated Products, Inc., max5945caxt Datasheet - Page 37

• Manufacturer Part Number: max5945caxt
• Description: Max5945 Quad Network Power Controller For Power-over-lan
• Manufacturer: Maxim Integrated Products, Inc.

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