LP2950 Datasheet, PDF (2/10 Pages) National Semiconductor (TI) – Series of Adjustable Micropower Voltage Regulators

LP2950 / LP2951
CORPORATION
ABSOLUTE MAXIMUM RATINGS
Power Dissipation . . . . . . . . . . . . . . . . . . . . . Internally Limited
Lead Temp. (Soldering, 5 Seconds) . . . . . . . . . . . . . . . 260^oC
Storage Temperature Range . . . . . . . . . . . . . . . -65 to +150^oC
Operating Junction Temperature Range
LP2951. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +150^oC
LP2950AC/LP2950C
LP2951AC/LP2951C . . . . . . . . . . . . . . . . . . . -40 to +125^oC
Input Supply Voltage . . . . . . . . . . . . . . . . . . . . . . -0.3 to +30V
Feedback Input Voltage . . . . . . . . . . . . . . . . . . . . -1.5 to +30V
Shutdown Input Voltage. . . . . . . . . . . . . . . . . . . . -0.3 to +30V
Error Comparator Output . . . . . . . . . . . . . . . . . . . -0.3 to +30V
ESD Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2KV Min
ELECTRICAL CHARACTERISTICS: VS = 15V, TA = 25^oC, unless otherwise specified.
PARAMETER
3V VERSIONS
Output Voltage
LP2951
LP2950AC / LP2951AC LP2950C / LP2951C
MIN TYP MAX MIN TYP MAX MIN TYP MAX
2.985 3.0 3.015 2.985 3.0 3.015 2.970 3.0 3.030
2.970 3.0 3.030 2.955 3.0 3.045
2.964
3.036 2.964 3.0 3.036 2.940 3.0 3.060
Output Voltage
2.955 3.0 3.045 2.958 3.0 3.042 2.928 3.0 3.072
3.3V VERSIONS
Output Voltage
3.284 3.3 3.317 3.284 3.3 3.317 3.267 3.3 3.333
3.267 3.3 3.333 3.251 3.3 3.350
3.260
3.340 3.260 3.3 3.340 3.234 3.3 3.366
Output Voltage
3.251 3.3 3.350 3.254 3.3 3.346 3.221 3.3 3.379
5V VERSIONS
Output Voltage
4.975 5.0 5.025 4.975 5.0 5.025 4.95 5.0 5.05
4.95 5.0 5.050 4.925 5.0 5.075
4.94
5.06 4.94 5.0 5.06 4.90 5.0 5.10
Output Voltage
4.925 5.0 5.075 4.93 5.0 5.07 4.88 5.0 5.12
ALL VOLTAGE OPTIONS
Output Voltage
Temperature Coefficient
Line Regulation (Note 3)
Load Regulation (Note 3)
Dropout Voltage
(Note 5)
Ground Current
Current Limit
Thermal Regulation
Output Noise,
10Hz to 100KHz
20 120
0.03 0.1
0.04 0.1
50 80
380 450
150 170
8
12
130 200
0.05 0.2
430
160
100
20
0.03 0.1
0.04 0.1
50
80
380 450
150 170
8
12
130 200
0.05 0.2
430
160
100
50
0.04 0.2
0.1 0.2
50 80
380 450
150 170
8
12
130 200
0.05 0.2
430
160
100
8-PIN VERSIONS ONLY
Reference Voltage
Reference Voltage
Feedback Pin Bias Current
Reference Voltage
Temperature Coefficient
Feedback Pin Bias Current
Temperature Coefficient
LP2951
1.22 1.235 1.25
1.19
1.27
40 60
20
0.1
LP2951AC
1.22 1.235 1.25
1.19
1.27
40
60
LP2951C
1.21 1.235 1.26
1.185
1.285
40 60
20
50
0.1
0.1
UNITS
V
V
V
V
V
V
V
V
V
V
V
V
ppm/^oC
%
%
mV
mV
µA
mA
mA
%/W
µVrms
µVrms
µVrms
V
V
nA
ppm/^oC
nA/^oC
CONDITIONS
(Note 2)
TJ = 25^oC
-25^oC ≤ TJ ≤ 85^oC
Full Operating Temperature
100µA ≤ IL ≤ 100mA
TJ ≤TJMAX
TJ = 25^oC
-25^oC ≤ TJ ≤ 85^oC
Full Operating Temperature
100µA ≤ IL ≤ 100mA
TJ ≤TJMAX
TJ = 25^oC
-25^oC ≤ TJ ≤ 85^oC
Full Operating Temperature
100µA ≤ IL ≤ 100mA
TJ ≤ TJMAX
(Note 1)
6V ≤ VIN ≤ 30V (Note 4)
100µA ≤ IL ≤ 100mA
IL = 100µA
IL = 100mA
IL = 100µA
IL = 100mA
VOUT = 0
CL = 1µF
CL = 200µF
CL = 13.3µF
(Bypass = 0.01µF pins 7 to 1 (LP2951))
Over Temperature (Note 6)
(Note 7)
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