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更新時間：2022-03-17 13:50:31瀏覽次數(shù)：367次
聯(lián)系我時，請告知來自 智慧城市網(wǎng)DESCRIPTION12V,24WPD(PoweredDevice)IntegratedModule(IsolationType)FEATURES-FullysupportsIEEE?7?9Std
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 ℃ |
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