MIC2950 Datasheet, PDF (7/14 Pages) Micrel Semiconductor – 150mA Low-Dropout Voltage Regulator

MIC2950/2951
Typical Characteristics
Ground Pin Current
10
1
0.1
0.01
0.1
1
10
150
LOAD CURRENT (mA)
Input Current
160
150
140
130
R_L = 50Ω
120
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 (V)
Ground Pin Current
350
300
250
V_IN = 6V
I_L = 100 µA
200
150
100
50
0
-75 -50 -25 0 25 50 75 100 125 150
TEMPERATURE (°C)
Short Circuit Current
450
400
350
300
250
200
150
100
-75 -50 -25 0 25 50 75 100 125 150
TEMPERATURE (°C)
Dropout Characteristics
6
5
4
R_L = 50kΩ
3
R_L = 33Ω
2
1
0
0 12345 6
INPUT VOLTAGE (V)
Output Voltage vs.
Temperature of 3
Representative Units
5.06
5.04
5.02
5.0
4.98
4.96
0.2%
4.94
-75 -50 -25 0 25 50 75 100 125 150
TEMPERATURE (°C)
Ground Pin Current
7
6
V_IN = 6V
I_L = 150 mA
5
4
-75 -50 -25 0 25 50 75 100 125 150
TEMPERATURE (°C)
Dropout Voltage
600
I_L = 150 mA
500
400
300
100
I_L = 100 µA
50
0
-75 -50 -25 0 25 50 75 100 125 150
TEMPERATURE (°C)
Micrel
Input Current
400
350
300
250
R_L = 50kΩ
200
150
R_L = ∞
100
50
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
Ground Pin Current
180
140
120
I_L = 1 mA
100
80
I_L = 0
3
60
40
20
0
0 12 3 45 678
INPUT VOLTAGE (V)
Ground Pin Current
9
7
5
I_L = 150 mA
3
0
0 12 3 45 678
INPUT VOLTAGE (V)
Dropout Voltage
500
400
300
200
T_J = 25 °C
100
150
0
0.1
1
10
100
OUTPUT CURRENT (mA)
February 1999
3-55