Изоляция высокого напряжения 1500 в 12 В 2 А Поддержка модуля poe 10 м/100 м/1000 м SDAPO
Изоляция высокого напряжения 1500 в 12 В 2 А Поддержка модуля poe 10 м/100 м/1000 м SDAPO
Изоляция высокого напряжения 1500 в 12 В 2 А Поддержка модуля poe 10 м/100 м/1000 м SDAPO
Изоляция высокого напряжения 1500 в 12 В 2 А Поддержка модуля poe 10 м/100 м/1000 м SDAPO
Изоляция высокого напряжения 1500 в 12 В 2 А Поддержка модуля poe 10 м/100 м/1000 м SDAPO
Изоляция высокого напряжения 1500 в 12 В 2 А Поддержка модуля poe 10 м/100 м/1000 м SDAPO
Изоляция высокого напряжения 1500 в 12 В 2 А Поддержка модуля poe 10 м/100 м/1000 м SDAPO

Изоляция высокого напряжения 1500 в 12 В 2 А Поддержка модуля poe 10 м/100 м/1000 м SDAPO


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Products Description


You are welcome to customize the POE modules of various sizes and appearances and function.The layout is required to receive the initial research and development expenses.After ordering a certain number of modules (usually 5000 pieces), the r&d cost can be deducted.After the sample is qualified, batch production.


DESCRIPTION
12V, 30W PD(Powered Device) Integrated Module (Isolation Type)

FEATURES
* Fully supports IEEE802.3af/at
* Input Voltage Range 37V to 57V
* Support PoE applications in both of Fast / Gigabit Ethernet environments.
* Short Circuit Protection
* Over-temperature Protection
* Programmable Classification (Default:Class 4)
* High Efficiency
* Isolation level 1.5KVrms.
* Easy Installation and Low Cost (Isolation Type, Minimum External Devices required)
* Low Output Ripple and Noise
* Adjustable Output Voltage
* 1500Vrms Isolation (Input-Output)
* You can choose straight needle or curved needle

PIN ASSIGNMENT




Pin #
Name
Description
1
VA1
Input (1). This input pin connects to the centre tap of the transformer connected to pins 1&2 of the RJ45 connector. It is not
polarity sensitive.
2
VA2
Input (2). This input pin connects to the centre tap of the transformer
connected to pins 3&6 of the RJ45 connector. It is not polarity sensitive.
3
VB1
Direct Input (1). This input pin connects to pin 4&5 of the RJ45
connector(or centretap of 4&5). It is not polarity sensitive.
4
VB2
Direct Input (2). This input pin connects to pin 7&8 of the RJ45
connector(or centretap of 7&8). It is not polarity sensitive.
5，6
NC
Do Not Connect.
7，8
-VDC
Negative DC Output. This pin provides the -VDC output.
9，10
+VDC
Positive DC Output. This pin provides the +VDC output.
11
ADJ
Do Not Connect.
12
NC
Do Not Connect.


Typical System Diagram




Typical Application






ELECTRICAL SPECIFICATIONS


No
Item
Specification
1
Input Voltage
37~57V
2
Output Voltage
12V Typ.
3
Output Current (Vin=56V)
2.5A Max.
4
Line Regulation
5%
5
Load Regulation
5%
6
Efficiency
92% max.
7
Input to Output Isolation
1500 Vrms
8
Type of DC/DC Converter
Flyback Type
9
Operating Temperature
-48 ~ +85℃


Model
Input Voltage（Behind bridge）
Input Current
Output Voltage
Output Current
Efficiency
Ripple Output Noise
V
mA
V
A
%
mV
PM2662
50
672
12.2
2.5
90.77%
50.1
531
12.2
2
91.72%
310
50.2
394
12.2
1.5
92.52%
230
50.3
262
12.2
1
92.57%
180
50.4
133
12.2
0.5
91.00%
50.5
10
12.2
0.024
57.98%
50.5
4
12.2
0
0.00%


* Add 330uf / 16V capacitance at the output,This will reduce the ripple and noise to typically 150mVp-p.
* Minimum load required to be greater than 24

1. Power Delivery in PoE Systems




2.Establishing PoE Connection – Type 1 (IEEE 802.3af/PoE)




3. Establishing PoE Connection – Type 2 (IEEE 802.3at/PoE+)






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