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