POEPHYTEREV-I National Semiconductor, POEPHYTEREV-I Datasheet - Page 72
POEPHYTEREV-I
Manufacturer Part Number
POEPHYTEREV-I
Description
BOARD EVAL LM5072, DP83848I
Manufacturer
National Semiconductor
Series
PHYTER®r
Datasheets
1.DP83848IVVNOPB.pdf
(84 pages)
2.LM5072MHX-50NOPB.pdf
(26 pages)
3.DP83848C-MAU-EK.pdf
(18 pages)
Specifications of POEPHYTEREV-I
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
DP83848, LM5072
Lead Free Status / RoHS Status
Not applicable / Not applicable
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8.2.13 10 Mb/s Serial Mode Transmit Timing
8.2.14 10 Mb/s Serial Mode Receive Timing
Note: RX_CLK may be held high for a longer period of time during transition between reference and recovered clocks.
Minimum high and low times will not be violated.
T2.13.1
T2.13.2
T2.13.3
T2.13.4
T2.14.1
T2.14.2
Parameter
Parameter
RX_CLK
RXD[0]
RX_DV
TX_CLK High Time
TX_CLK Low Time
TXD_0, TX_EN Data Setup to TX_CLK rise
TXD_0, TX_EN Data Hold from TX_CLK rise
RX_CLK High/Low Time
RX_CLK fall to RXD_0, RX_DV Delay
TX_CLK
TX_EN
TXD[0]
Description
Description
T2.13.1
T2.13.3
T2.14.2
T2.14.1
Valid Data
72
Valid Data
10 Mb/s Serial mode
10 Mb/s Serial mode
10 Mb/s Serial mode
10 Mb/s Serial mode
10 Mb/s Serial mode
T2.13.4
Notes
Notes
T2.14.1
T2.13.2
Min
-10
35
Min
20
70
25
0
Typ
50
Typ
25
75
Max
65
10
Max Units
30
80
Units
ns
ns
ns
ns
ns
ns
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