MAX5940AESA+ Maxim Integrated Products, MAX5940AESA+ Datasheet - Page 10

• Manufacturer Part Number: MAX5940AESA+
• Description: IC IEEE 802.3AF PD INTFC 8-SOIC
• Manufacturer: Maxim Integrated Products

Specifications of MAX5940AESA+

• Controller Type: Powered Device Interface Controller (PD)
• Interface: IEEE 802.3af
• Voltage - Supply: 48V
• Current - Supply: 1mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

IEEE 802.3af PD Interface Controller
For Power-Over-Ethernet
Figure 4. PD with Power-Over-Ethernet (Power is Provided by Either the Signal Pairs or the Spare Pairs)
10
GND
-48V
______________________________________________________________________________________
*R1 AND R2 ARE OPTIONAL AND WHEN USED, THEY MUST TOTAL 25.5kΩ AND REPLACE THE 25.5kΩ RESISTOR.
60V
RJ-45
25.5kΩ
POWER-OVER
68nF
SPAIR PAIRS
R
DISC
3
6
1
2
4
5
7
8
R2*
R1*
POWER-OVER
SIGNAL PAIRS
R
CL
1
2
3
4
RX
TX
GATE
RCLASS
UVLO
V
EE
MAX5940B
MAX5940D
PGOOD
PGOOD
GND
OUT
8
7
6
5
V
PHY
Typical Application Circuits
REG
C
GATE
C
OUT
+
-
DC-DC CONVERTER
GND
V+
MAX5014
SS_SHDN
Application Circuit 1
+
-
LOAD
V
REG
-48V
GND