产品介绍
1.Product characteristics
- Compliant with IEEE802.3af standard
- 38V~57V wide operating voltage range.
- Maximum output power up to 10W；Rated output：5V/2A.
- The output ripple is less than 150 mV.
- Conversion efficiency can be as high as 87% (input: 48V output)5V@2A).
- With over current short circuit under voltage surge and other excellent reliability and circuit protection.
- PCBA standard size: 85mm*25mm*18mm
- Input/Output: isolate 1500Vdc.
- The battery provides uninterruptible power supply, which can be switched at will.
2.Scope of application
- Video and VoIP Phone
- RFID Reader
- Multiband Access Point
- Surveillance Camera
- PoE backup power
3. Pin definition
| Pin | Name | Describe |
| 1 | Network | TX_D1+ Tranceive Data+ （send data+）. |
| 2 | TX_D1- Tranceive Data- （send data-）. | |
| 3 | RX_D2+ Receive Data+ （receive data+）. | |
| 4 | RX_D2- Receive Data- （receive data-）. | |
| 5 | VOUT | PoE DC to DC 5v negative output port. |
| 6 | PoE DC to DC 5v positive output port. | |
| 7 | BAT | Lithium battery positive input. |
| 8 | Lithium battery negative input. |
4. Electrical characteristics
4.1 Absolute maximum rating parameter
| No | Parameter | Symbol | MIN | MAX | Units |
| 1 | DC Voltage | VCC | 38 | 57 | V |
| 2 | DC Voltage Surge 1ms | VSURGE | -0.6 | 80 | V |
| 3 | Ambient temperature | TS | -40 | 80 | ℃ |
*Exceeding the above rating may cause permanent damage to the product.Functional operations under these conditions are not recommended.
4.2 Recommended working conditions
| No | Parameter | Symbol | MIN | TYP | MAX | Units |
| 1 | Lithium battery input | VBAT | 6.5 | 7.4 | 8.4 | V |
| 2 | BAT Low Voltage Lock | VLOCK | - | - | ＜6 | V |
| 3 | Working temperature | TOP | -40 | 25 | 80 | ℃ |
*Applicable only to WC-PD13D050P maximum operating temperature.
4.3 DC characteristic
| No | Parameter | Symbol | MIN | TYP | MAX | Units | Test Opinions |
| 1 | Standard Output Voltage | Vout | 4.7 | 5.2 | 5.3 | V | VIN=48v VBAT=7.4V |
| 2 | Output Current (VIN=48V) | PWR | - | 2 | - | A | VIN=48V VBAT=7.4V |
| 3 | Power adjustment rate | VLINE | - | 0.1 | - | % | @50% Load |
| 4 | Load Adjustment Rate | VLOAD | - | 1 | - | % | @VIN=48V |
| 5 | Ripple Output Noise | VRN | - | 150 | 200 | mVp-p | @Maximum Load |
| 6 | Minimum Load | RLOAD | 10 | - | - | mA | |
| 7 | Short circuit duration | TSC | - | - | ∞ | sec | |
| 8 | Efficiency (load 80%) | EFF | 82 | 87 | - | % | |
| 9 | Isolation Voltage (I/O) | VISO | - | - | 1500 | VPK | |
| 10 | Temperature coefficient | TC | - | 0.02 | % | Per ℃ | |
| 11 | Dynamic response | TS | - | 60 | 100 | ms | VIn=48V Vout=max |
1: Typical number is 25 C, nominal voltage is 48V, for auxiliary design only.
2: Output ripple and noise can be reduced by an external filter, see the application instructions.
3: If operated under the specified minimum load, the module emits audible noise and may cause PSE malfunction.
