LP2950AS Просмотр технического описания (PDF) - Signal Processing Technologies
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LP2950AS Datasheet PDF : 12 Pages
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LP2950/51
ABSOLUTE MAXIMUM RATINGS
Power Dissipation ..................................Internally Limited
Lead Temp. (Soldering, 5 Seconds) ......................... 260°C
Storage Temperature Range .......................-65° to +150°C
Operating Junction Temperature Range
LP2951 ........................................... -55°C to +150°C
LP2950AC/LP2950C...................... -40°C to +125°C
LP2951AC/LP2951C...................... -40°C to +125°C
Input Supply Voltage ................................................ -0.3V to +30V
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
ELECTRICAL CHARACTERISTICS at Vs=15V, Ta=25°C, unless otherwise noted.
PARAMETER
3 V Versions
Output Voltage
Output Voltage
3.3 V Versions
Output Voltage
Output Voltage
5 V Versions
Output Voltage
Output Voltage
CONDITIONS
(Note 2)
TJ = 25°C
-25°C ≤TJ ≤85°C
Full Operating Temperature
100 µA ≤IL ≤100 mA
TJ ≤TJMAX
TJ = 25°C
-25°C ≤TJ ≤85°C
Full Operating Temperature
100 µA ≤IL ≤100 mA
TJ ≤TJMAX
TJ = 25°C
-25°C ≤TJ ≤85°C
Full Operating Temperature
100 µA ≤IL ≤100 mA
TJ ≤TJMAX
LP2951
Min. Typ. Max.
LP2950AC
LP2951AC
Min. Typ. Max.
2.985 3.0 3.015 2.985 3.0 3.015
2.970 3.0 3.030
2.964
3.036 2.964 3.0 3.036
2.955 3.0 3.045 2.958 3.0 3.042
3.284 3.3 3.317 3.284 3.3 3.317
3.267 3.3 3.333
3.260
3.340 3.260 3.3 3.340
3.251 3.3 3.350 3.254 3.3 3.346
4.975 5.0 5.025 4.975 5.0 5.025
4.95 5.0 5.050
4.94
5.06 4.94 5.0 5.06
4.925 5.0 5.075 4.93 5.0 5.07
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
(Note 1)
6V ≤Vin ≤30V (Note 4)
100 µA ≤IL ≤ 100 mA
IL = 100µ A
IL = 100 mA
IL = 100 µA
IL = 100 mA
VOUT = 0
20
120
0.03 0.1
0.04 0.1
50
80
380 450
150 170
8
12
130 200
0.05 0.2
20 120
0.03 0.1
0.04 0.1
50
80
380 450
150 170
8
12
130 200
0.05 0.2
Output Noise,
10Hz to 100KHz
8-Pin Versions only
Reference Voltage
CL = 1µF
CL = 200 µF
CL = 13.3 µF
(Bypass = 0.01 µF pins 7 to
1(LP2951))
430
430
160
160
100
100
LP2951
1.22 1.235 1.25
LP2951AC
1.22 1.235 1.25
Reference Voltage
Over Temperature (Note 6)
1.19
1.27 1.19
1.27
Feedback Pin Bias
Current
40
60
40 60
LP2950C
LP2951C
Min. Typ. Max.
2.970 3.0 3.030
2.955 3.0 3.045
2.940 3.0 3.060
2.928 3.0 3.072
3.267 3.3 3.333
3.251 3.3 3.350
3.234 3.3 3.366
3.221 3.3 3.379
4.95 5.0 5.05
4.925 5.0 5.075
4.90 5.0 5.10
4.88 5.0 5.12
50
120
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
LP2951C
1.21 1.235 1.26
1.185
1.285
40
60
UNITS
V
V
V
V
V
V
ppm/°C
%
%
mV
mV
µA
mA
mA
%/W
µV rms
µV rms
µV rms
V
V
nA
Rev. 11/2/00
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