lm5071mtx-80 National Semiconductor Corporation, lm5071mtx-80 Datasheet - Page 4

• Manufacturer Part Number: lm5071mtx-80
• Description: Power Over Ethernet Pd Controller With Auxiliary Power Interface
• Manufacturer: National Semiconductor Corporation

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Powered Interface
IOS
VCLSS(ON)
VCLSS(OFF)
ICLASS
IDC
RDS(ON)
ILEAK
ZAUX
I
ILIM
ILIM
Startup Regulator
VinMin
VccReg
INRUSH
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
Specifications in standard type face are for T
perature range. Unless otherwise specified: V
V
RSIG to V
AUX to V
UVLO to V
RCLASS to V
ARTN to RTN
V
All other inputs to ARTN
IN
CC
Symbol
,RTN to V
, OUT to ARTN
EE
IN
EE
EE
EE
Offset Current
Signature Resistor Disable /
Classification Current Turn On
Classification Current Turn Off
Classification Voltage
Supply Current During
Classification
Supply Current During Normal
Operation
UVLO Pin Reference Voltage
UVLO Hysteresis Current
Softstart Release
Softstart Release Hysteresis
PowerFET Resistance
SMPS Bias Current
AUX Pin Threshold
AUX Pin Threshold Hysteresis
AUX Pin Input Impedance
Inrush Current Limit
DC Current Limit
DC Current Limit
Operational VIN Input Voltage
V
V
CC
CC
Regulation
Current Limit
Parameter
(Note 3)
J
IN
= +25˚C and those in boldface type apply over the full operating junction tem-
(Note 1)
-0.3V to 0.3V
-0.3V to 80V
-0.3V to 57V
-0.3V to 13V
-0.3V to 16V
= 48V, V
-0.3V to 7V
-0.3V to 7V
-12V to 0V
V
V
V
With respect to V
V
OUT floating
V
V
RTN falling with respect to V
RTN rising with respect to V
I = 350mA,
V
V
AUX pin rising with respect to
V
AUX pin falling with respect to
V
AUX = 0.5V
V
V
Temp = 0˚C to 85˚C
V
Temp = -40˚C to 125˚C
AUX = 5V, Vcc = Vin (Note 6)
Open ckt
(Note 4)
IN
IN
IN
IN
IN
IN
IN
EE
EE
EE
EE
EE
EE
<
with respect to V
with respect to V
=17V
>
>
= 48V
CC
= 0V, V
= 0V, RTN = 3.0V
= 0V, RTN = 3.0V,
= 0V, RTN = 3.0V,
10.0V
27V
UVLO
= 10V, RT = 30.3kΩ.
4
Conditions
IN
Operating Ratings
= RTN = 57V
ESD Rating
Lead Temperature (Note 2)
EE
Human Body Model
Wave (4 seconds)
Infrared (10 seconds)
Vapor Phase (75 seconds)
V
External voltage applied to V
Operating Junction Temperature
IN
EE
EE
voltage
EE
EE
10.0
23.5
1.43
1.95
Min
350
325
8.0
1.2
0.8
2.4
0.4
9.5
7.5
70
15
CC
11.5
25.0
2.00
1.45
Typ
350
100
390
390
1.5
0.5
1.1
2.5
0.5
7.8
10
20
1
1
1.8V to 60V
8.1V to 15V
-40˚C to 125˚C
Max
12.5
26.5
1.57
2.05
11.5
2.65
100
130
420
420
1.0
1.9
1.7
1.3
2.2
0.6
8.1
10
2000V
260˚C
240˚C
219˚C
Units
mA
mA
mA
mA
mA
mA
uA
uA
uA
kΩ
V
V
V
V
V
V
Ω
V
V
V
V