MAX5940BESA+ Maxim Integrated Products, MAX5940BESA+ Datasheet - Page 14
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MAX5940BESA+
Manufacturer Part Number
MAX5940BESA+
Description
IC IEEE 802.3AF PD INTFC 8-SOIC
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX5940BESA.pdf
(15 pages)
Specifications of MAX5940BESA+
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)
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Input Voltage
80V
Output Current
500mA
Supply Current
400µA
Digital Ic Case Style
SOIC
No. Of Pins
8
Uvlo
38.6V
Operating Temperature Range
-40°C To +85°C
Filter Terminals
SMD
Rohs Compliant
Yes
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