MAX5940DESA+T Maxim Integrated Products, MAX5940DESA+T Datasheet - Page 14

• Manufacturer Part Number: MAX5940DESA+T
• Description: IC IEEE 802.3AF PD INTFC 8-SOIC
• Manufacturer: Maxim Integrated Products

Specifications of MAX5940DESA+T

• 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
14
-48V
GND
TOP VIEW
______________________________________________________________________________________
D1*
D2*
60V
RCLASS
RCLASS
UVLO
GATE
GATE
N.C.
*OPTIONAL.
**R1 AND R2 ARE OPTIONAL AND WHEN USED, THEY MUST TOTAL 25.5kΩ AND REPLACE THE 25.5kΩ RESISTOR.
V
V
EE
EE
1
2
4
1
2
4
3
3
25.5kΩ
68nF
MAX5940C
MAX5940D
MAX5940A
MAX5940B
R
Pin Configurations
DISC
SO
SO
R1**
R2**
6
6
8
7
5
8
7
5
GND
N.C.
PGOOD
OUT
GND
PGOOD
PGOOD
OUT
R
CL
1
2
3
4
GATE
RCLASS
UVLO
V
EE
Typical Operating Circuits (continued)
MAX5940D
MAX5940B
TRANSISTOR COUNT: 3,643
PROCESS: BiCMOS
PGOOD
PGOOD
GND
OUT
8
7
6
5
C
GATE
C
OUT
V+
GND
DC-DC CONVERTER
MAX5014
SS_SHDN
Chip Information
V
LOAD
REG