DP83848C-POE-EK National Semiconductor, DP83848C-POE-EK Datasheet - Page 62

• 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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8.0 Electrical Specifications
Note: All parameters are guaranteed by test, statistical analysis or design.
Absolute Maximum Ratings
8.1 DC Specs
Supply Voltage (V
DC Input Voltage (V
DC Output Voltage (V
Storage Temperature (T
Max case temp for T
Max. die temperature (Tj)
Lead Temp. (TL)
(Soldering, 10 sec.)
ESD Rating
(R
Theta Junction to Case (T
Theta Junction to Ambient (T
Note: This is done with a JEDEC (2 layer 2 oz CU.) thermal test board
I
I
V
V
I
V
V
V
C
C
SD
IH
IL
OZ
Symbol
OL
OH
TPTD_100
TPTDsym
TPTD_10
IN1
OUT1
ZAP
THon
= 1.5k, C
PMD Output
PMD Output
PMD Output
Pin Types
PMD Input
ZAP
Pair
Pair
Pair
Pair
I/O,
CC
I/O
I/O
I/O
I/O
O,
O,
O
O
I
I
I
= 100 pF)
IN
A
)
)
OUT
= 70°C
STG
)
jc
)
Thermal Characteristic
)
Input High Current V
Input Low Current V
Output Low
Voltage
Output High
Voltage
TRI-STATE
Leakage
100M Transmit
Voltage
100M Transmit
Voltage Symmetry
10M Transmit
Voltage
CMOS Input
Capacitance
CMOS Output
Capacitance
100BASE-TX
Signal detect turn-
on threshold
ja
) degrees Celsius/Watt - No Airflow @ 1.0W
Parameter
-0.5V to V
-0.5V to V
-65
-0.5 V to 4.2 V
o
C to 150°C
CC
CC
I
I
V
OL
OH
IN
IN
OUT
150 °C
260 °C
+ 0.5V
+ 0.5V
4.0 kV
= 4 mA
92 °C
Conditions
= V
= GND
= -4 mA
= V
CC
CC
62
Recommended Operating Conditions
Absolute maximum ratings are those values beyond which
the safety of the device cannot be guaranteed. They are
not meant to imply that the device should be operated at
these limits.
Supply voltage (V
Commercial - Ambient Temperature (T
Power Dissipation (P
Vcc - 0.5
0.95
Min
2.2
CC
)
D
)
Typ
2.5
1
5
5
Max
28.7
83.6
1000
Max
+ 10
1.05
0.4
2.8
+ 2
10
10
A
)
3.3 Volts + .3V
°C / W
°C / W
Units
mV diff pk-pk
0 to 70 °C
Units
267 mW
pF
pF
V
V
V
V
A
A
A