LP2950 / LP2951
CORPORATION
ABSOLUTE MAXIMUM RATINGS
Power Dissipation . . . . . . . . . . . . . . . . . . . . . Internally Limited
Lead Temp. (Soldering, 5 Seconds) . . . . . . . . . . . . . . . 260oC
Storage Temperature Range . . . . . . . . . . . . . . . -65 to +150oC
Operating Junction Temperature Range
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
LP2951. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +150oC
LP2950AC/LP2950C
LP2951AC/LP2951C . . . . . . . . . . . . . . . . . . . -40 to +125oC
ELECTRICAL CHARACTERISTICS: VS = 15V, TA = 25oC, unless otherwise specified.
LP2951
TYP
LP2950AC / LP2951AC LP2950C / LP2951C
CONDITIONS
PARAMETER
3V VERSIONS
UNITS
(Note 2)
MIN
MAX
MIN
TYP
MAX
MIN
TYP MAX
2.985
3.0
3.015 2.985
2.970
3.036 2.964
3.0
3.0
3.0
3.015 2.970
3.030 2.955
3.036 2.940
3.0 3.030
3.0 3.045
3.0 3.060
V
V
V
TJ = 25oC
Output Voltage
-25oC ≤ TJ ≤ 85oC
2.964
2.955
Full Operating Temperature
100µA ≤ IL ≤ 100mA
TJ ≤TJMAX
Output Voltage
3.0
3.3
3.045 2.958
3.0
3.042 2.928
3.0 3.072
V
3.3V VERSIONS
3.284
3.260
3.251
3.317 3.284
3.267
3.340 3.260
3.3
3.3
3.3
3.317 3.267
3.333 3.251
3.340 3.234
3.3 3.333
3.3 3.350
3.3 3.366
V
V
V
TJ = 25oC
Output Voltage
-25oC ≤ TJ ≤ 85oC
Full Operating Temperature
100µA ≤ IL ≤ 100mA
TJ ≤TJMAX
Output Voltage
3.3
5.0
3.350 3.254
3.3
3.346 3.221
3.3 3.379
V
5V VERSIONS
4.975
4.94
5.025 4.975
4.95
5.0
5.0
5.0
5.025 4.95
5.050 4.925
5.0
5.05
V
V
V
TJ = 25oC
Output Voltage
5.0 5.075
-25oC ≤ TJ ≤ 85oC
Full Operating Temperature
5.06
4.94
5.06
4.90
5.0
5.0
5.10
5.12
100µA ≤ IL ≤ 100mA
TJ ≤ TJMAX
Output Voltage
4.925
5.0
20
5.075 4.93
5.0
5.07
4.88
V
ALL VOLTAGE OPTIONS
Output Voltage
Temperature Coefficient
120
20
50
ppm/oC (Note 1)
Line Regulation (Note 3)
Load Regulation (Note 3)
0.03
0.04
0.1
0.1
0.03
0.04
0.1
0.1
0.04
0.1
0.2
0.2
%
%
6V ≤ VIN ≤ 30V (Note 4)
100µA ≤ IL ≤ 100mA
Dropout Voltage
(Note 5)
50
380
80
450
50
380
80
450
50
380
80
450
mV
mV
IL = 100µA
IL = 100mA
150
8
170
12
150
8
170
12
150
8
170
12
µA
mA
IL = 100µA
IL = 100mA
Ground Current
Current Limit
130
200
0.2
130
200
0.2
130
200
0.2
mA
VOUT = 0
Thermal Regulation
0.05
0.05
0.05
%/W
430
160
100
430
160
100
430
160
100
CL = 1µF
CL = 200µF
CL = 13.3µF
(Bypass = 0.01µF pins 7 to 1 (LP2951))
µVrms
µVrms
µVrms
Output Noise,
10Hz to 100KHz
8-PIN VERSIONS ONLY
Reference Voltage
LP2951
LP2951AC
LP2951C
1.22 1.235 1.25
1.22
1.19
1.235 1.25
1.27 1.185
60
1.21 1.235 1.26
V
V
Reference Voltage
1.19
1.27
60
1.285
60
Over Temperature (Note 6)
Feedback Pin Bias Current
40
20
40
20
40
50
nA
Reference Voltage
Temperature Coefficient
ppm/oC (Note 7)
Feedback Pin Bias Current
Temperature Coefficient
0.1
0.1
0.1
nA/oC
CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025
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