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Semiconductor Components Industries, LLC, 2011
December, 2011 − Rev. 0
1 Publication Order Number:
EVBUM2006/D
NCP1083QBCGEVB
Compact, high efficiency,
30W Reference platform
with the NCP1083
Evaluation Board
User's Manual
Board Details
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
Warnings
Close to the switching MOSFET voltages on the board
may exceed 200 V (@250 kHz). Temperature of board and
its components may exceed 85C 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.
Figure 1. Front Side of EVB
Figure 2. Back Side of EVB
Table 1. EVALUATION BOARD SPECIFICATIONS
Characteristic Min Typ Max Unit
Input Voltage, PoE Input 36 − 57 V
Input Voltage, Auxiliary Input 24 − 57 V
Output Voltage − 12 − V
Output Current − − 2.5 A
Oscillator Frequency − 250 − kHz
Output Ripple − − 170 mV
Efficiency − − 88 %
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EVAL BOARD USER’S MANUAL
