DP83848C-POE-EK National Semiconductor, DP83848C-POE-EK Datasheet - Page 2

• 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