LP2950 Datasheet, PDF (4/13 Pages) National Semiconductor (TI) – Series of Adjustable Micropower Voltage Regulators

TYPICAL PERFORMANCE CHARACTERISTIC
LP2950/ LP2951
6
250
10
5
4
R_L=
3
2
R _L =50kΩ
1
0
0 123 456
INPUT VOLTAGE (VOLTS)
225
200
R_L = 50kΩ
175
1
150
125
100
R_L =
75
0.1
50
25
0
0.01
0 1 2 3 4 5 6 7 8 9 10
0.1
1
10
100
INPUT VOLTAGE (VOLTS)
LOAD CURRENT (mA)
Dropout Characteristics
Input Current
Quiescent Current
320
280
240
200
I_L= 1mA
160
I_L= 0
120
80
40
0
0 1 2 34 56 7 8
INPUT VOLTAGE (VOLTS)
Ground Current
160
150
140
130
R_L=50 Ω
120
V_OUT = 5V
110
100
90
80
70
60
50
40
30
20
10
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (VOLTS)
Input Current
16
12
V _IN = 6V
I_L = 100mA
8
4
-75 -50 -25 0 25 50 75 100 125 150
TEMPERATURE (ºC)
Ground Current
16
14
12
I_L=100mA
10 ₈
6
4
2
0
0 12345678
INPUT VOLTAGE
Ground Current
190
170
V _IN=6V
I_L =100uA
150
130
-75 -50 -25 0 25 50 75 100 125 150
TEMPERATURE (ºC)
Quiescent Current
Rev. 8/10/01
LP2950/51 100mA Low Dropout Voltage Regulators
4
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