LP2950/LP2951 150mA Low Drop Out Voltage Regulators
ABSOLUTEMAXIMUMRATINGS
Power Dissipation ....................... Internally Limited
Lead Temp. (Soldering, 5 Seconds) ................ 260oC
Storage Temperature Range .............. -65 to +150oC
Operating Junction Temperature Range
Input Supply Voltage ..............................-20 to +60V
Feedback Input Voltage ........................ -1.5 to +30V
Shutdown Input Voltage ....................... -0.3 to +30V
Error Comparator Output ................... -0.3 to +30V
ECD Rating is to be determined
LP2951 ................................................ -55 to +150oC
LP2950BC/LP2950AC/LP2950C
LP2951BC/LP2951AC/LP2951C ... -40 to +125oC
ELECTRICAL CHARACTERISTICS (Vin = 15V, TA = 25oC unless otherwise noted)
PARAMETER
CONDITIONS
(Note 2)
LP2950BC
LP2951BC
LP2950AC
LP2951AC
LP2950C
LP2951C
UNITS
Min
Typ
Max Min Typ
Max Min
Typ
Max
o
Output Voltage
Output Voltage
T
J
= 25 C
4.98
4.95
4.94
5.0
5.02
5.05
5.06
4.975
4.95
4.94
5.0
5.025
5.05
5.06
4.95
4.93
4.94
5.0
5.05
5.075
5.085
V
V
o
o
-25 C < T < 85 C
Full Operating Temp.
J
100µA < I < 100mA
4.93
5.07
4.93
5.07
4.925
5.075
L
T
J
< T
JMAX
o
Output Voltage
Temperature Coefficient
(Note 1)
20
20
50
0.04
0.1
ppm/ C
Line Regulation
(Note 3)
6V < V < 30V
in
(Note 4)
0.03
0.04
0.2
0.1
0.03
0.04
0.2
0.1
0.2
0.2
%
%
Load Regulation
(Note 3)
100µA < I < 100mA
L
Dropout Voltage
(Note 5)
I
L
I
L
I
L
= 100µA
= 100mA
= 150mA
40
250
300
80
300
450
40
250
300
80
300
450
40
250
300
80
300
450
mV
mV
mV
Ground Current
I
L
I
L
I
L
= 100µA
= 100mA
= 150mA
75
1.7
4
120
2.5
6
75
1.7
4
120
2.5
6
75
1.7
4
120
2.5
6
µA
mA
mA
Dropout Ground
Current
V
= 4.5V
110
170
110
170
110
170
µA
in
= 100µA
I
L
Current Limit
V
out
= 0
160
200
0.2
160
200
0.2
160
200
0.2
mA
%W
Thermal Regulation
0.05
0.05
0.05
Output Noise,
10Hz to 100kHz
C
= 1µF
= 200µF
= 13.3µF
430
160
100
430
160
100
430
160
100
µVms
L
I
I
L
L
(Bypass = 0.01µF pins 7
to 1 (LP2951))
8-Pin Versions only
Reference Voltage
Reference Voltage
LP2951BC
1.235
LP2951AC
1.235
LP2951C
1.235
1.22
1.19
1.25
1.27
40
1.22
1.19
1.25
1.27
40
1.216
1.18
1.254
1.28
40
V
V
Over Temp. (Note 6)
(Note 7)
Feedback Pin Bias
Current
20
20
20
20
20
50
nA
o
Reference Voltage
Temperature
ppm/ C
Coefficient
o
Feedback Pin Bias
Current Temperature
Coefficient
0.1
0.1
0.1
nA/ C
3-2