lm5070sd-50 National Semiconductor Corporation, lm5070sd-50 Datasheet - Page 4

• Manufacturer Part Number: lm5070sd-50
• Description: Integrated Power Over Ethernet Pd Interface And Pwm Controller
• Manufacturer: National Semiconductor Corporation

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Powered Interface
IOS
VCLSS(ON)
VCLSS(OFF) Classification Current Turn Off
ICLASS
IDC
RDS(ON)
ILEAK
ILIM
ILIM
Startup Regulator
VccReg
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
Symbol
V
RSIG to V
UVLO to V
UVLORTN
RCLASS, RCLP to V
ARTN to RTN
V
All other inputs to ARTN
ESD Rating
IN
CC
,RTN to V
, OUT to ARTN
IN
EE
Offset Current
Signature Resistor Disable /
Classification Current Turn On
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
Default Current Limit
Default Current Limit
Current Limit Programming
Accuracy
V
V
EE
CC
CC
Regulation
Current Limit
EE
Parameter
(Note 3)
J
IN
= +25˚C and those in boldface type apply over the full operating junction tem-
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
57V
V
Temp = 0˚C to 85˚C
V
Temp = -40˚C to 125˚C
V
RCLP = 80.6kΩ
Open ckt
(Note 4)
(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
IN
IN
IN
IN
IN
IN
IN
EE
EE
EE
EE
-0.3V to 7V
-0.3V to 7V
-12V to 0V
<
with respect to V
with respect to V
=17V
>
>
EE
EE
= 48V
= 0V, V
= 0V, RTN = 3.0V,
= 0V, RTN = 3.0V,
= 0V, RTN = 3.0V,
Conditions
10.0V
12V
UVLO
CC
IN
= 10V, RT = 30.3kΩ.
= RTN =
4
EE
Operating Ratings
Storage Temperature
Junction Temperature
Lead Temperature (Note 2)
EE
EE
V
External voltage applied to V
Operating Junction Temperature
Human Body Model
Wave (4 seconds)
Infrared (10 seconds)
Vapor Phase (75 seconds)
IN
voltage
10.0
20.5
1.43
1.95
Min
350
325
8.0
1.2
0.8
-20
7.5
15
11.5
22.0
2.00
1.45
Typ
390
390
1.5
0.5
1.1
7.8
10
20
1
1
CC
1.8V to 75V
8.1V to 15V
-40˚C to +125˚C
Max
12.5
23.0
1.57
2.05
11.5
100
420
420
+20
1.0
1.9
1.7
1.3
2.2
8.1
10
-65˚C to +150˚C
Units
2000V
150˚C
260˚C
240˚C
219˚C
mA
mA
mA
mA
mA
uA
uA
uA
%
V
V
V
V
V
V
Ω
V