DP83848C-POE-EK National Semiconductor, DP83848C-POE-EK Datasheet - Page 82

• 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

8.2.30 100 Mb/s X1 to TX_CLK Timing
X1
T2.30.1
TX_CLK
Parameter
Description
Notes
Min
Typ
Max
Units
T2.30.1
X1 to TX_CLK delay
100 Mb/s Normal mode
0
5
ns
Note: X1 to TX_CLK timing is provided to support devices that use X1 instead of TX_CLK as the reference for transmit
Mll data.
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