DP83848C-POE-EK National Semiconductor, DP83848C-POE-EK Datasheet - Page 78
DP83848C-POE-EK
Manufacturer Part Number
DP83848C-POE-EK
Description
BOARD EVALUATION DP83848C
Manufacturer
National Semiconductor
Series
PowerWise®r
Specifications of DP83848C-POE-EK
Main Purpose
Special Purpose DC/DC, Power Over Ethernet
Outputs And Type
1, Isolated
Power - Output
24W
Voltage - Output
3.3V
Current - Output
7.3A
Voltage - Input
39 ~ 57V
Regulator Topology
Flyback
Frequency - Switching
250kHz
Board Type
Fully Populated
Utilized Ic / Part
LM5072
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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8.2.25 10 Mb/s Internal Loopback Timing
Note: Measurement is made from the first rising edge of TX_CLK after assertion of TX_EN.
T2.25.1
Parameter
RXD[3:0]
TXD[3:0]
TX_CLK
RX_CLK
TX_EN to RX_DV Loopback
TX_EN
RX_DV
CRS
Description
10 Mb/s internal loopback mode
T2.25.1
78
Notes
Min
Typ
Max
2
Units
s
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