LP2951-4.8BM Micrel Semiconductor, LP2951-4.8BM Datasheet - Page 6

• Manufacturer Part Number: LP2951-4.8BM
• Description: 100mA Low-Dropout Voltage Regulator
• Manufacturer: Micrel Semiconductor

LP2950/2951
Typical Performance Characteristics
0.01
240
220
200
180
170
160
150
140
130
120
110
100
0.1
10
160
150
140
130
120
110
100
90
80
70
60
50
40
30
20
10
1
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
Input Current
Quiescent Current
Short Circuit Current
Quiescent Current
INPUT VOLTAGE (VOLTS)
LOAD CURRENT (mA)
2 3 4 5 6 7 8 9 10
TEMPERATURE (°C)
TEMPERATURE (°C)
1
V = 6V
I = 100 µA
L
IN
R = 50
10
L
150
5.06
5.04
5.02
4.98
4.96
4.94
600
500
400
300
100
5.0
50
16
12
6
5
4
3
2
1
0
8
4
0
-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
Output Voltage vs.
Temperature of 3
Representative Units
Ground Current
Drop-out Voltage
INPUT VOLTAGE (VOLTS)
1
R = 50k
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
L
3-40
2
V = 6V
I = 100 mA
L
IN
3
R = 50
0.2%
I = 100 µA
I = 100 mA
L
L
L
4
5
6
250
225
200
175
150
125
100
320
280
240
200
160
120
500
400
300
200
100
75
50
25
80
40
16
14
12
10
0
0
0
8
6
4
2
0
0 1 2 3 4 5 6 7 8 9 10
0
0
100 µA
Ground Current
Ground Current
Drop-out Voltage
Input Current
T = 25 °C
J
INPUT VOLTAGE (VOLTS)
INPUT VOLTAGE (VOLTS)
1
1
OUTPUT CURRENT
INPUT VOLTAGE (V)
2
2
1 mA
3
3
4
4
I = 100 mA
L
R = 50k
R =
10 mA
5
5
L
L
I = 1 mA
I = 0
L
L
6
6
February 1999
7
7
100 mA
8
8
Micrel