contact-fact Micrel Semiconductor, contact-fact Datasheet - Page 7

• Manufacturer Part Number: contact-fact
• Description: Mic2950/mic2951 150ma Low-dropout Voltage Regulator
• Manufacturer: Micrel Semiconductor

Typical Characteristics
July 2005
MIC2950/2951
0.01
350
300
250
200
150
100
450
400
350
300
250
200
150
100
0.1
160
150
140
130
120
110
100
10
50
90
80
70
60
50
40
30
20
10
1
0
0
0.1
-75 -50 -25 0 25 50 75 100 125 150
-75 -50 -25 0 25 50 75 100 125 150
0 1
2 3 4 5 6
TEMPERATURE (°C)
Short Circuit Current
Ground Pin Current
LOAD CURRENT (mA)
Ground Pin Current
INPUT VOLTAGE (V)
TEMPERATURE (°C)
Input Current
1
I = 100 µA
L
IN
R = 50 Ω
10
L
7 8 9 10
150
5.06
5.04
5.02
4.98
4.96
4.94
600
500
400
300
100
5.0
50
6
5
4
3
2
1
0
0
7
6
5
4
-75 -50 -25 0 25 50 75 100 125 150
-75 -50 -25 0 25 50 75 100 125 150
-75 -50 -25 0 25 50 75 100 125 150
0
Dropout Characteristics
1
Representative Units
R = 50k
Ground Pin Current
Output Voltage vs.
L
Temperature of 3
Dropout Voltage
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
INPUT VOLTAGE (V)
2
7
I = 150 mA
L
Ω
IN
3
R = 33
0.2%
I = 100 µA
L
I = 150 mA
L
L
4
Ω
5
6
400
350
300
250
200
150
100
180
140
120
100
500
400
300
200
100
50
80
60
40
20
0
0
0
9
7
5
3
0
0 1 2 3 4 5 6 7 8 9 10
0
0
0.1
T = 25°C
J
1
1
OUTPUT CURRENT (mA)
Ground Pin Current
Ground Pin Current
2
2
INPUT VOLTAGE (V)
Dropout Voltage
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
1
Input Current
3
3
4
4
I = 150 mA
L
5
5
10
R = 50k
L
I = 0
I = 1 mA
R =
L
L
6
6
L
150
MIC2950/2951
7
7
Ω
∞
100
8
8
Micrel, Inc.