Datasheet

Micrel, Inc. MIC5225
July 2008 4
M9999-072908-A
Typical Characteristics
0
10
20
30
40
50
60
70
0.01 0.1 1 10 100 1000
FREQUENCY (Hz)
Power Supply
Rejection Ratio
I
LOAD
= 150mA
0
50
100
150
200
250
300
350
Dropout Voltage
vs. Output Current
0 20 60 80 100 120 160
OUTPUT CURRENT (mA)
40 140
0
50
100
150
200
250
300
350
400
450
500
Dropout Voltage
vs. Temperature
-40 -20 20 40 60 80
TEMPERATURE (°C)
0 100 120
I
OUT
= 150mA
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
INPUT VOLTAGE (V)
Output Voltage
vs. Input Voltage
I
LOAD
= 100µA
I
LOAD
= 150mA
I
LOAD
= 75mA
0
500
1000
1500
2000
2500
3000
Ground Pin Current
vs. Output Current
0 20 60 80 100 120 160
OUTPUT CURRENT (mA)
40 140
V
IN
= 4V
20
22
24
26
28
30
32
34
36
38
40
0 100 200 300 400 500
OUTPUT CURRENT (µA)
Ground Pin Current
vs. Output Current
V
IN
= 4V
V
IN
= 12V
40
45
50
55
60
65
70
75
80
Ground Pin Current
vs. Temperature
-40 -20 20 40 60 80
TEMPERATURE (°C)
0 100 120
I
OUT
= 10mA
500
520
540
560
580
600
620
640
660
680
700
Ground Pin Current
vs. Temperature
-40 -20 20 40 60 80
TEMPERATURE (°C)
0 100 120
I
OUT
= 75mA
2.5
2.6
2.7
2.8
2.9
3.0
3.1
3.2
3.3
3.4
3.5
Ground Pin Current
vs. Temperature
-40 -20 20 40 60 80
TEMPERATURE (°C)
0 100 120
I
OUT
= 150mA
0
10
20
30
40
50
60
70
80
90
100
1.5 2.0 2.5 3.0 3.5 4.0
INPUT VOLTAGE (V)
Ground Pin Current
vs. Input Voltage
I
OUT
= 10mA
I
OUT
= 10µA
I
OUT
= 1mA
I
OUT
= 100µA
0.4
0.9
1.4
1.9
2.4
2.9
3.4
1.5 2.0 2.5 3.0 3.5 4.0
INPUT VOLTAGE (V)
Ground Pin Current
vs. Input Voltage
I
OUT
= 75mA
I
OUT
= 150mA
20
22
24
26
28
30
32
34
36
38
40
4 6 8 10 12 14 16
INPUT VOLTAGE (V)
Ground Pin Current
vs. Input Voltage
I
OUT
= 10µA
I
OUT
= 1mA
I
OUT
= 100µA