DP83848C-POE-EK National Semiconductor, DP83848C-POE-EK Datasheet - Page 66
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
- Current page: 66 of 84
- Download datasheet (4Mb)
www.national.com
8.2.3 MII Serial Management Timing
8.2.4 100 Mb/s MII Transmit Timing
T2.3.1
T2.3.2
T2.3.3
T2.3.4
T2.4.1
T2.4.2
T2.4.3
Parameter
Parameter
MDIO (output)
MDC to MDIO (Output) Delay Time
MDIO (Input) to MDC Setup Time
MDIO (Input) to MDC Hold Time
MDC Frequency
TX_CLK High/Low Time
TXD[3:0], TX_EN Data Setup to TX_CLK
TXD[3:0], TX_EN Data Hold from TX_CLK 100 Mb/s Normal mode
MDIO (input)
TXD[3:0]
TX_CLK
TX_EN
MDC
MDC
Description
Description
T2.4.1
T2.3.4
T2.4.2
T2.3.2
Valid Data
Notes
66
Valid Data
100 Mb/s Normal mode
100 Mb/s Normal mode
T2.3.1
T2.4.3
T2.3.3
Notes
Min
10
10
0
T2.4.1
Typ
2.5
Min
16
10
0
Max
30
25
Typ
20
Max Units
24
Units
MHz
ns
ns
ns
ns
ns
ns
Related parts for DP83848C-POE-EK
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
BOARD EVALUATION DP83848C
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
National Semiconductor [8-Bit D/A Converter]
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
National Semiconductor [Media Coprocessor]
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
Digitally Controlled Tone and Volume Circuit with Stereo Audio Power Amplifier, Microphone Preamp Stage and National 3D Sound
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
Digitally Controlled Tone and Volume Circuit with Stereo Audio Power Amplifier, Microphone Preamp Stage and National 3D Sound
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
AC97 Rev 2 Codec with Sample Rate Conversion and National 3D Sound
Manufacturer:
National Semiconductor
Part Number:
Description:
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
General Purpose, Low Voltage, Low Power, Rail-to-Rail Output Operational Amplifiers
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
8-bit 20 MSPS flash A/D converter.
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
Low Noise Quad Operational Amplifier
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
Quad Differential Line Receivers
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
Quad High Speed Trapezoidal? Bus Transceiver
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
Dual Line Receiver
Manufacturer:
National Semiconductor
Datasheet: