6
5
OUTPUT VOLTAGE (VOLTS)
INPUT CURRENT (µA)
250
225
GROUND PIN CURRENT (mA)
10
200
175
150
125
100
R
L
= 50k
Ω
4
R
L
=
1
3
R
L
=50kΩ
8
2
1
0
0
1
2
3
4
5
6
INPUT VOLTAGE (VOLTS)
R
L
=
75
50
25
8
0.1
0
0
1
2
3
4
5
6 7
8
9 10
0.01
0.1
1
10
100
INPUT VOLTAGE (VOLTS)
LOAD CURRENT (mA)
Dropout Characteristics
Input Current
Quiescent Current
320
280
GROUND CURRENT (µA)
INPUT CURRENT (mA)
240
200
160
I
L
= 0
I
L
= 1mA
120
80
40
0
0
1
2
3
4
5
6
7
8
160
150
140
130
120
110
100
90
80
70
60
50
40
30
20
10
0
0
1
2
3
4
5
6
16
GROUND CURRENT (mA)
R
L
=50
Ω
V
OUT
= 5V
12
V
IN
= 6V
I
L
= 100mA
8
4
INPUT VOLTAGE (VOLTS)
7
8
9 10
-75 -50 -25
0
25 50 75 100 125 150
INPUT VOLTAGE (VOLTS)
TEMPERATURE (ºC)
Ground Current
16
14
Input Current
190
Ground Current
QUIESCENT CURRENT (µA)
GROUND CURRENT (mA)
12
I
L
=100mA
170
V
IN
=6V
I
L
=100uA
10
8
6
4
2
0
150
130
0
1
2
3
4
5
6
7
8
-75 -50 -25
0
25 50 75 100 125 150
INPUT VOLTAGE
TEMPERATURE (ºC)
Ground Current
Quiescent Current
Rev G
LP2950-5 Low Dropout Linear Regulators
© 2008 Exar Corporation
4
EXAR [ EXAR CORPORATION ]
