MIC5235 Datasheet, PDF (4/9 Pages) Micrel Semiconductor – Ultra-Low Quiescent Current, 150mA UCap LDO Regulator

MIC5235
Typical Characteristics
Power Supply
Rejection Ratio
70
I_LOAD = 150mA
60
50
40
30
20
10
00.01 0.1 1 10 100 1000
FREQUENCY (kHz)
Dropout
Characteristics
3.5
3
I_LOAD = 100µA
2.5 ^I_LOAD ^{= 75mA}
2
1.5
I_LOAD = 150mA
1
0.5
00 _{0.5 1 1.5 2 2.5 3 3.5 4}
INPUT VOLTAGE (V)
Ground Pin Current
vs. Temperature
80
75
I_LOAD = 10mA
70
65
60
55
50
45
4_-0_{40 -20 0 20 40 60 80 100 120}
TEMPERATURE (°C)
Ground Pin Current
vs. Input Voltage
100
90 I_OUT = 10mA
80
70
60
50 ^I_OUT ^{= 1mA}
40
I_OUT = 100µA
30
20
10
I_OUT = 10µA
10.5 2 2.5 3 3.5 4
INPUT VOLTAGE (V)
MIC5235
Dropout Voltage
vs. Output Current
350
300
250
200
150
100
50
00 _{20 40 60 80 100 120 140 160}
OUTPUT CURRENT (mA)
3000
2500
Ground Pin Current
vs. Output Current
V_IN = 4V
2000
1500
1000
500
00 _{20 40 60 80 100 120 140 160}
OUTPUT CURRENT (mA)
Ground Pin Current
vs. Temperature
700
680
I_LOAD = 75mA
660
640
620
600
580
560
540
520
50_-0_{40 -20 0 20 40 60 80 100 120}
TEMPERATURE (°C)
Ground Pin Current
vs. Input Voltage
2.4
2.2
2
I_OUT=150mA
1.8
1.6
1.4
1.2
1
0.8
I_OUT = 75mA
0.6
0.14.5 _{2 2.5 3 3.5 4}
INPUT VOLTAGE (V)
4
Micrel
Dropout Voltage
vs. Temperature
500
450 I_OUT = 150mA
400
350
300
250
200
150
100
50
-040 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
Ground Pin Current
vs. Output Current
30
28
26
24
22 ^{VIN = 12V}
V_IN = 24V
20
18
16
V_IN = 4V
14
12
100 _{100 200 300 400 500}
OUTPUT CURRENT (µA)
Ground Pin Current
vs. Temperature
2.5
2.4
I_LOAD = 150mA
2.3
2.2
2.1
2
1.9
1.8
1.7
1.6
1.-540 _{-20 0 20 40 60 80 100 120}
TEMPERATURE (°C)
Ground Pin Current
vs. Input Voltage
40
35
30 _{IOUT = 1mA}
25
I_OUT = 100µA
20
15 _{IOUT = 10µA}
104
9
14
19
24
INPUT VOLTAGE (V)
August 2003