MAX5922AEUI+T Maxim Integrated Products, MAX5922AEUI+T Datasheet - Page 20

• Manufacturer Part Number: MAX5922AEUI+T
• Description: IC NETWORK PWR SW +48V 28-TSSOP
• Manufacturer: Maxim Integrated Products
• Type: Power over Ethernet Switch (PoE)r

Specifications of MAX5922AEUI+T

• Applications: Remote Peripherals (Industrial Controls, Cameras, Data Access)
• Internal Switch(s): Yes
• Voltage - Supply: 32 V ~ 60 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

+48V, Single-Port Network Power Switch
For Power-Over-LAN
20
______________________________________________________________________________________
+48V
47µF
100V
RJ45
+48V IN
18.2kΩ
CAT5
R
RJ45
RDT
1%
REFERENCED
OPEN-DRAIN
150Ω
R
MAX5922A/MAX5922B
RCL
1%
OUTPUTS
TO DGND
AGND
+48V IN
0.1µF
1/16W
LAN SWITCH
100V
1Ω
5%
POWER SENT OVER SIGNAL PAIRS
MAX5922A/MAX5922C
POWER SENT OVER SPARE PAIRS
680nF
18
17
16
8
5
9
7
MIDSPAN HUB
UVLO
RCL
RDT
CL0
CL1
CL2
AGND_S
NOTE: ALL SIGNAL AND DIGITAL INPUTS/OUTPUTS ARE
REFERENCED TO DGND. DGND CAN BE ±4V FROM AGND_S.
*MAX5922A ONLY. MAX5922B/MAX5922C DO NOT HAVE A DCA PIN.
IN
4
+48V OUT
R
0.5Ω
SENSE
1%
MAX5922
DRAIN
+48V OUT
1, 2
DATA
CLASS
LATCH
ZC_EN
FAULT
DGND
DCA*
+48V POWER OVER
OUT
V
POK
+48V POWER OVER
DIG
SIGNAL PAIRS
ZC
EN
RJ45
27, 28
SPARE PAIRS
RJ45
11
10
12
24
20
21
22
25
19
CAT5
CAT5
(IP PHONES, WIRELESS LAN
ACCESS NODE, SECURITY
OFF
Typical Application Circuits
CONNECT DCA TO VDIG
FOR MIDSPAN MODE
(IP PHONES, WIRELESS LAN
RJ45
ACCESS NODE, SECURITY
RJ45
POWERED DEVICE
CAMERA, ETC.)
POWERED DEVICE
CAMERA, ETC.)
PD
OPEN-DRAIN OUTPUTS
REFERENCED TO DGND
OUTPUT TO
PD
ON
PORT
B1100LB
100V, 1A
48V
10µF
10V
100Ω
1µF
10V
V
(REF TO DGND)
DIG
1.65V TO 5.5V