The NCP1083QBCGEVB implements a PoE module that converts the power from the Ethernet cable to a lower voltage. The board also supports getting its power from and auxiliary input, in case PoE network is not available.
Close to the switching MOSFET voltages on the board may exceed 200 V (@250 kHz). Temperature of board and its components may exceed 85°C during normal operation. The Evaluation board was designed to operate correctly under these conditions.
The input voltage should never exceed 57 V nor should the evaluation board be loaded with loads higher than the specified 30 W. Exceeding the specified input and output values could permanently damage the board.
| Manufacturer | onsemi |
|---|---|
| Category | Power Management |
| Sub-Category | POE - Power Over Ethernet |
| Eval Board Part Number | NCP1083QBCGEVBOS-ND |
| Eval Board Supplier | onsemi |
| Eval Board |
Board not Stocked
|
| Compliance |
IEEE 802.3at Type 2
|
| Outputs and Type |
1 Isolated
|
| Voltage Out |
12 V
|
| Current Out |
2.5 A
|
| Voltage In |
36 ~ 57 V
|
| Efficiency @ Conditions |
>88%, 48V in, 12V @ 2.5 A
|
| Internal Switch |
No
|
| Features |
Current Limit (Adj. or Fixed)
Over Current Protection Over Voltage Protection PFM or PWM Shutdown, Enable, Standby Soft Start Thermal Protection Under Voltage Protection, Brown-Out |
| Switching Frequency |
250 kHz
|
| Component Count + Extras |
67 + 2
|
| Application / Target Market | |
| Design Author |
ONSemiconductor
|
| Main I.C. Base Part |
NCP1083
|
| Date Created By Author | 2011-12 |
| Date Added To Library | 2016-05 |
Italy
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