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DESCRIPTION
12V, 24W PD(Powered Device) Integrated Module (Isolation Type)
FEATURES
- Fully supports IEEE?7?9 Std. 802.3af-2003 and emerging 802.3at
- Input Voltage Range 44V to 57V
- Short Circuit Protection
- In-rush Current Limit
- Over-temperature Protection
- Programmable Classification (Default : Class 4)
- High Efficiency
- Easy Installation and Low Cost (Isolation Type, Minimum External Devices required)
- Low Output Ripple and Noise
- Adjustable Output Voltage
- 1500Vrms Isolation (Input-Output)
PIN ASSIGNMENT
|
Pin # |
Name |
Description |
|
1，2 |
NC |
Do Not Connect. |
|
3 |
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. |
|
4 |
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. |
|
5 |
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. |
|
6 |
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. |
|
7，8 |
-VDC |
Negative DC Output. This pin provides the -VDC output. |
|
9，10 |
+VDC |
Positive DC Output. This pin provides the +VDC output. |
ELECTRICAL SPECIFICATIONS
|
No |
Item |
Specification |
|
1 |
Input Voltage |
44~57V |
|
2 |
Output Voltage |
12V Typ. |
|
3 |
Output Current (Vin=56V) |
2.5A Max. |
|
4 |
Line Regulation |
5% |
|
5 |
Load Regulation |
5% |
|
6 |
Ripple & Noise |
200mVp-p max. |
|
7 |
Efficiency |
88% max. |
|
8 |
Input to Output Isolation |
1500 Vrms |
|
9 |
Type of DC/DC Converter |
Flyback Type |
|
10 |
Operating Temperature |
-20 ~ +50 ℃ |
