DP83848C-POE-EK National Semiconductor, DP83848C-POE-EK Datasheet - Page 2
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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TX_DATA
10BASE-T &
100BASE-TX
Transmit
Block
DAC
Auto-MDIX
TX_CLK
TD± RD±
Figure 1. DP83848C Functional Block Diagram
MII/RMII/SNI INTERFACES
MANAGEMENT
Auto-Negotiation
REFERENCE CLOCK
State Machine
SERIAL
Generation
Registers
MII/RMII/SNI
Clock
MII
2
RX_CLK
Receive
Block
10BASE-T &
100BASE-TX
ADC
Drivers
LED
LEDS
RX_DATA
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