参数资料
型号: DP83848C-POE-EK
厂商: National Semiconductor
文件页数: 60/86页
文件大小: 0K
描述: BOARD EVALUATION DP83848C
标准包装: 1
系列: PowerWise®
主要目的: 特殊用途 DC/DC,以太网供电(POE)
输出及类型: 1,隔离
功率 - 输出: 24W
输出电压: 3.3V
电流 - 输出: 7.3A
输入电压: 39 ~ 57V
稳压器拓扑结构: 回扫
频率 - 开关: 250kHz
板类型: 完全填充
已供物品:
已用 IC / 零件: LM5072
相关产品: DP83848CVVX/NOPBTR-ND - TXRX ETHERNET PHYTER 48-LQFP
DP83848CVV-ND - IC TXRX ETHERNET PHYTER 48-LQFP
www.national.com
62
DP
83
84
8C
8.0 Electrical Specifications
Note: All parameters are guaranteed by test, statistical analysis or design.
Absolute Maximum Ratings
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.
8.1 DC Specs
Supply Voltage (VCC)
-0.5 V to 4.2 V
DC Input Voltage (VIN)
-0.5V to VCC + 0.5V
DC Output Voltage (VOUT)
-0.5V to VCC + 0.5V
Storage Temperature (TSTG)
-65oC to 150°C
Max case temp for TA = 70°C
92 °C
Max. die temperature (Tj)
150 °C
Lead Temp. (TL)
(Soldering, 10 sec.)
260 °C
ESD Rating
(RZAP = 1.5k, CZAP = 100 pF)
4.0 kV
Supply voltage (VCC)
3.3 Volts + .3V
Commercial - Ambient Temperature (TA)
0 to 70 °C
Power Dissipation (PD)
267 mW
Thermal Characteristic
Max
Units
Theta Junction to Case (Tjc)
28.7
°C / W
Theta Junction to Ambient (Tja) degrees Celsius/Watt - No Airflow @ 1.0W
Note: This is done with a JEDEC (2 layer 2 oz CU.) thermal test board
83.6
°C / W
Symbol
Pin Types
Parameter
Conditions
Min
Typ
Max
Units
IIH
I
I/O
Input High Current VIN = VCC
10
A
IIL
I
I/O
Input Low Current VIN = GND
10
A
VOL
O,
I/O
Output Low
Voltage
IOL = 4 mA
0.4
V
VOH
O,
I/O
Output High
Voltage
IOH = -4 mA
Vcc - 0.5
V
IOZ
I/O,
O
TRI-STATE
Leakage
VOUT = VCC
+ 10
A
VTPTD_100 PMD Output
Pair
100M Transmit
Voltage
0.95
1
1.05
V
VTPTDsym
PMD Output
Pair
100M Transmit
Voltage Symmetry
+ 2
%
VTPTD_10
PMD Output
Pair
10M Transmit
Voltage
2.2
2.5
2.8
V
CIN1
I
CMOS Input
Capacitance
5
pF
COUT1
O
CMOS Output
Capacitance
5
pF
SDTHon
PMD Input
Pair
100BASE-TX
Signal detect turn-
on threshold
1000
mV diff pk-pk
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