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1500V high voltage isolation Highly efficient 12V 2A IEEE802.3af/at 26*62mm Standard PoE Module SDAPO DP2662

1500V high voltage isolation Highly efficient 12V 2A IEEE802.3af/at 26*62mm Standard PoE Module SDAPO DP2662

  DP2662

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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