MIC5225 Datasheet, PDF (4/9 Pages) Micrel Semiconductor – Ultra-Low Quiescent Current 150mA μCap Low Dropout Regulator

Micrel, Inc.
Typical Characteristics
Power Supply
Rejection Ratio
70
60
50
40
30
20
10
00.01
I_LOAD = 150mA
0.1 1 10 100 1000
FREQUENCY (Hz)
Output Voltage
vs. Input Voltage
3.5
3.0 _{ILOAD = 100µA}
2.5 _{ILOAD = 75mA}
2.0
1.5
I_LOAD = 150mA
1.0
0.5
00 _{0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0}
INPUT VOLTAGE (V)
Ground Pin Current
vs. Temperature
80
75
70
65
60
55
50
45
I_OUT = 10mA
4-040 _{-20 0 20 40 60 80 100 120}
TEMPERATURE (°C)
Ground Pin Current
vs. Input Voltage
100
90 _{IOUT = 10mA}
80
70
60
50 _{IOUT = 1mA}
40
30
I_OUT = 100µA
20
10 ^{IOUT = 10µA}
10.5 2.0 2.5 3.0 3.5 4.0
INPUT VOLTAGE (V)
July 2008
Dropout Voltage
vs. Output Current
350
300
250
200
150
100
50
00 _{20 40 60 80 100 120 140 160}
OUTPUT CURRENT (mA)
Ground Pin Current
vs. Output Current
3000
2500
2000
1500
1000
500
00
V_IN = 4V
20 40 60 80 100 120 140 160
OUTPUT CURRENT (mA)
Ground Pin Current
vs. Temperature
700
680
660
640
620
600
580
560
540
520
I_OUT = 75mA
50-040 _{-20 0 20 40 60 80 100 120}
TEMPERATURE (°C)
Ground Pin Current
vs. Input Voltage
3.4
2.9 ^IOUT ^{= 150mA}
2.4
1.9
1.4
0.9
I_OUT = 75mA
0.14.5 _{2.0 2.5 3.0 3.5 4.0}
INPUT VOLTAGE (V)
4
MIC5225
Dropout Voltage
vs. Temperature
500
450
400
350
300
250
200
150
100
50
I_OUT = 150mA
-040 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
Ground Pin Current
vs. Output Current
40
38
36
34
32 _{VIN = 12V}
30
28
V_IN = 4V
26
24
22
200 _{100 200 300 400 500}
OUTPUT CURRENT (µA)
Ground Pin Current
vs. Temperature
3.5
3.4
3.3
3.2
3.1
3.0
2.9
2.8
2.7
2.6
I_OUT = 150mA
2.-540 _{-20 0 20 40 60 80 100 120}
TEMPERATURE (°C)
Ground Pin Current
vs. Input Voltage
40
38
36
34 ^{IOUT = 1mA}
32
30
I_OUT = 100µA
28
26
I_OUT = 10µA
24
22
204 _{6 8 10 12 14 16}
INPUT VOLTAGE (V)
M9999-072908-A