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MIC5239 Datasheet(PDF) 5 Page - Micrel Semiconductor

Part # MIC5239
Description  Low Quiescent Current 500mA UCap LDO Regulator
PDF  12 Pages
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC5239 Datasheet(HTML) 5 Page - Micrel Semiconductor

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January 2002
5
MIC5239
MIC5239
Micrel
Typical Characteristics (V
O = 3V)
0
10
20
30
40
50
60
0.01
0.1
1
10
100
1000
FREQUENCY (Hz)
Power Supply
Rejection Ratio
I
LOAD = 500mA
0
50
100
150
200
250
300
350
400
450
0
100
200
300
400
500
OUTPUT CURRENT (mA)
Dropout Voltage
vs. Output Current
0
100
200
300
400
500
600
-40 -20 0
20 40 60 80 100 120
TEMPERATURE (
°C)
Dropout Voltage
vs. Temperature
I
OUT = 500mA
0
0.5
1
1.5
2
2.5
3
3.5
0 0.5 1 1.5 2 2.5 3 3.5 4
INPUT VOLTAGE (V)
Dropout
Characteristics
I
LOAD = 100µA
I
LOAD = 250mA
I
LOAD = 500mA
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
0
100
200
300
400
500
OUTPUT CURRENT (mA)
Ground Pin Current
vs. Output Current
V
IN = 4V
10
12
14
16
18
20
22
24
26
28
30
0
100
200
300
400
500
OUTPUT CURRENT (
µA)
Ground Pin Current
vs. Output Current
V
IN = 24V
V
IN = 12V
V
IN = 4V
V
IN = 30V
50
55
60
65
70
75
80
-40 -20
0
20 40 60 80 100 120
TEMPERATURE (
°C)
Ground Pin Current
vs. Temperature
I
LOAD = 10mA
2
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3
-40 -20
0
20 40 60 80 100 120
TEMPERATURE (
°C)
Ground Pin Current
vs. Temperature
I
LOAD = 250mA
7.5
8
8.5
9
9.5
10
10.5
-40 -20 0
20 40 60 80 100 120
TEMPERATURE (
°C)
Ground Pin Current
vs. Temperature
I
LOAD = 500mA
0
10
20
30
40
50
60
70
80
90
100
1.5
2
2.5
3
3.5
4
INPUT VOLTAGE (V)
Ground Pin Current
vs. Input Voltage
I
OUT = 10mA
I
OUT = 1mA
I
OUT = 100µA
I
OUT = 10µA
0.4
2.4
4.4
6.4
8.4
10.4
12.4
14.4
1.5
2
2.5
3
3.5
4
INPUT VOLTAGE (V)
Ground Pin Current
vs. Input Voltage
I
OUT=500mA
I
OUT = 250mA
10
15
20
25
30
35
40
4
9
14
19
24
29
INPUT VOLTAGE (V)
Ground Pin Current
vs. Input Voltage
I
OUT = 10µA
I
OUT = 1mA
I
OUT = 100µA



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