LP2950/51
ABSOLUTE MAXIMUM RATINGS
Power Dissipation.....................................Internally Limited
Lead Temp. (Soldering, 5 Seconds)............................260¡C
Storage Temperature Range......................... -65¡ to +150¡C
Feedback Input Voltage................................................ -1.5V to +30V
Shutdown Input Voltage............................................... -0.3V to +30V
Error Comparator Output ............................................. -0.3V to +30V
ESD Rating .........................................................................2kV Min
Operating Junction Temperature Range
-40C to +125C
Input Supply Voltage..................................... -0.3V to +30V
ELECTRICAL CHARACTERISTICS VIN=6V, IO=100µA, COUT=1µF (Note 2) TA=25C, unless otherwise noted.
LP2950AC
LP2951AC
LP2950C
LP2951C
PARAMETER
CONDITIONS
Min.
Typ. Max.
Min.
Typ. Max.
UNITS
3.3 V Versions
T = 25¡C
Output Voltage
Output Voltage
3.284
3.267
3.260
3.3
3.3
3.3
3.317
3.333
3.340
3.267
3.251
3.234
3.3
3.3
3.3
3.333
3.350
3.366
V
J
-25¡C ≤T ≤85¡C
J
Full Operating Temperature
100 µA ≤IL ≤100 mA
3.254
3.3
3.346
3.221
3.3
3.379
V
T ≤TJMAX
J
5 V Versions
Output Voltage
TJ = 25¡C
4.975
4.950
4.940
5.0
5.0
5.0
5.025
5.050
5.060
4.950
4.925
4.900
5.0
5.0
5.0
5.050
5.075
5.100
V
V
-25¡C ≤TJ ≤85¡C
Full Operating Temperature
100 µA ≤IL ≤100 mA
TJ ≤TJMAX
Output Voltage
4.925
5.0
5.075
4.880
5.0
5.120
All Voltage Options
Output Voltage
20
120
50
150
ppm/¡C
Temperature Coefficient
(Note 1)
6V ≤V ≤30V (Note 4)
Line Regulation (Note 3)
0.03
0.04
0.1
0.1
0.04
0.1
0.2
0.2
%
%
IN
Load Regulation (Note 3)
100 µA ≤IL ≤ 100 mA
Dropout Voltage
(Note 5)
IL = 100 µA
IL = 100 mA
50
380
80
450
50
380
80
450
mV
mV
Ground Current
IL = 100 µA
IL = 100 mA
150
8
170
12
150
8
170
12
µA
mA
Current Limit
VOUT = 0
150
0.05
430
160
100
200
0.2
150
0.05
430
160
100
200
0.2
mA
Thermal Regulation
Output Noise,
%/W
CL = 1µF
µV rms
µV rms
µV rms
10Hz to 100KHz
CL = 200 µF
CL = 3.3 µF, Bypass = 0.01µF
from Pin 7 to Pin 1 (LP2951)
8-Pin Versions only
LP2951AC
LP2951C
Reference Voltage
1.220
1.190
1.235
1.250
1.270
60
1.210
1.185
1.235
1.260
1.285
60
V
V
Reference Voltage
Over Temperature (Note 6)
Feedback Pin Bias
Current
40
40
nA
Rev. 8/10/01
LP2950/51 100mA Low Dropout Voltage Regulators
©Copyright 2001 Sipex Corporation
2
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