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

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