LP2950/LP2951
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Input Supply Voltage
SHUTDOWN Input Voltage,
Error Comparator Output
Voltage, (Note 9)
FEEDBACK Input Voltage
Power Dissipation
Junction Temperature (T
J
)
Ambient Storage Temperature
Soldering Dwell Time, Temperature
Wave
Infrared
Vapor Phase
Internally Limited
+150˚C
−65˚ to +150˚C
4 seconds, 260˚C
10 seconds, 240˚C
75 seconds, 219˚C
−1.5 to +30V
−0.3 to +30V
ESD Rating
Human Body Model(Note 18)
2500V
Operating Ratings
Maximum Input Supply Voltage
Junction Temperature Range
(T
J
LP2951
LP2950AC-XX, LP2950C-XX,
LP2951AC-XX, LP2951C-XX
−55˚ to +150˚C
−40˚ to +125˚C
30V
Electrical Characteristics
LP2951
Parameter
Conditions
Tested
Typ
Limit
(Notes 3, 16)
3V Versions
Output Voltage
T
J
= 25˚C
−25˚C
≤
T
J
≤
85˚C
Full Operating
Temperature
Range
Output Voltage
100µA
≤
I
L
≤
100mA
T
J
≤
T
JMAX
3.3V Versions
Output Voltage
T
J
= 25˚C
−25˚C
≤
T
J
≤
85˚C
Full Operating
Temperature
Range
Output Voltage
100µA
≤
I
L
≤
100mA
T
J
≤
T
JMAX
5V Versions
Output Voltage
T
J
= 25˚C
−25˚C
≤
T
J
≤
85˚C
Full Operating
5.0
5.0
5.0
5.06
5.025
4.975
5.0
5.0
5.0
5.025
4.975
5.05
4.95
5.06
5.0
5.0
5.0
5.05
4.95
5.075
4.925
5.1
V max
V min
V max
V min
V max
3.3
3.3
3.3
3.3
3.340
3.260
3.350
3.251
3.317
3.284
3.3
3.3
3.3
3.317
3.284
3.333
3.267
3.340
3.260
3.346
3.254
3.3
3.3
3.3
3.333
3.267
3.350
3.251
3.366
3.234
3.379
3.221
V max
V min
V max
V min
V max
V min
V max
V min
3.0
3.0
3.0
3.0
3.036
2.964
3.045
2.955
3.015
2.985
3.0
3.0
3.0
3.015
2.985
3.030
2.970
3.036
2.964
3.042
2.958
3.0
3.0
3.0
3.030
2.970
3.045
2.955
3.060
2.940
3.072
2.928
V max
V min
V max
V min
V max
V min
V max
V min
Typ
LP2950AC-XX
LP2951AC-XX
Tested
Limit
Design
Limit
Typ
LP2950C-XX
LP2951C-XX
Tested
Limit
Design
Limit
Units
3.0
3.0
3.3
3.3
5
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