DP83848C-POE-EK National Semiconductor, DP83848C-POE-EK Datasheet - Page 76
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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8.2.21 10BASE-T Normal Link Pulse Timing
Note: These specifications represent transmit timings.
8.2.22 Auto-Negotiation Fast Link Pulse (FLP) Timing
Note: These specifications represent transmit timings.
T2.21.1
T2.21.2
T2.22.1
T2.22.2
T2.22.3
T2.22.4
T2.22.5
Parameter
Parameter
Normal Link Pulse(s)
Fast Link Pulse(s)
Pulse Width
Pulse Period
Clock, Data Pulse Width
Clock Pulse to Clock Pulse
Period
Clock Pulse to Data Pulse
Period
Burst Width
FLP Burst to FLP Burst Period
Description
Description
T2.22.1
clock
pulse
T2.21.1
T2.22.3
T2.22.4
FLP Burst
Data = 1
T2.22.2
data
pulse
T2.21.2
T2.22.5
76
Notes
Notes
clock
pulse
T2.22.1
FLP Burst
Min
Min
Typ
Typ
100
100
125
16
62
16
2
Max
Max
Units
Units
ms
ms
ms
ns
ns
s
s
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