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PEM3124 Datasheet(PDF) 4 Page - List of Unclassifed Manufacturers

Part # PEM3124
Description  30W Power Over Ethernet Plus (POE) PD Module
PDF  13 Pages
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Manufacturer  ETC2 [List of Unclassifed Manufacturers]
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PEM3124 Datasheet(HTML) 4 Page - List of Unclassifed Manufacturers

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PEM3100 SERIES
by
30W Power Over Ethernet Plus (POE+) PD Module
www.poweredethernet.com
PEM3100_13F_R1-1
Page 4 of 13
Figure 1 – Block Diagram and Typical Connections
Input
Input
IEEE
802.3at/af
Signature
and
Control
DC
Output
VIN+
+VDC
-VDC
ADJ
C1
470uF
Low ESR
+
+VDC
-VDC
VIN-
+
-
~
~
~
~
~
~
~
~
-
+
DC-DC
Converter
(Optional) C4 - Safety Capacitor (for EMI tuning)
ECP
CPR
C2
470uF
Low ESR
+
EMI
EMO
(Optional) C3 - Safety Capacitor (for EMI tuning)
ATD
RSD
PEM3100
Figure 1
PIN DESCRIPTION
INPUT PINS
OUTPUT PINS
1
EMI. This pin can be used for additional and
improved EMI Filtration. Connect this pin
only to EMO pin using safety capacitor.
8
+VDC. This pin provides the regulated
output from the DC/DC converter.
(Internally connected to pin 9).
2
VIN+. This pin connects to the positive (+)
output of the input bridge rectifiers
9
.+VDC. This pin provides the regulated
output from the DC/DC converter.
(Internally connected to pin 8).
3
VIN-. This pin connects to the negative (-)
output of the input bridge.
10
EMO. This pin can be used for additional
and improved EMI Filtration. Connect this
pin only to EMI pin using safety capacitor
4
ATD. AT Detect Pin. Please see section F.
5.
11
OADJ. The output voltage can be adjusted
from its nominal value. Please see section
F.8.
5
RSD. This pin can be used for remotely
shutting down the module from the target
device. Please see section F.6.
12
-VDC. The ground return for the +VDC
output. (Internally connected to pin 13).
6
NC
13
-VDC. The ground return for the +VDC
output. (Internally connected to pin 12).
7
CPR. Remote Shut down Pin.
To maintain isolation integrity, always
connect respective input and output poles
only via X or Y safety capacitor. Maintain
isolation barrier on motherboard PCB as per
physical package.



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