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MIC39150 Datasheet(PDF) 5 Page - Micrel Semiconductor

Part # MIC39150
Description  1.5A Low-Voltage Low-Dropout Regulator
PDF  12 Pages
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC39150 Datasheet(HTML) 5 Page - Micrel Semiconductor

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May 2000
5
MIC39150/39151
MIC39150/39151
Micrel
Typical Characteristics
0
10
20
30
40
50
60
1E+1 1E+2 1E+3 1E+4 1E+5 1E+6
FREQUENCY (Hz)
Power Supply
Rejection Ratio
I
LOAD = 1.5A
C
OUT = 10µF
C
IN = 0
V
IN = 3.3V
V
OUT = 2.5V
10
100
1k
10k
100k
1M
0
10
20
30
40
50
1E+1 1E+2 1E+3 1E+4 1E+5 1E+6
FREQUENCY (Hz)
Power Supply
Rejection Ratio
I
LOAD = 1.5A
C
OUT = 47µF
C
IN = 0
V
IN = 3.3V
V
OUT = 2.5V
10
100
1k
10k
100k
1M
0
100
200
300
400
500
0
500
1000
1500
OUTPUT CURRENT (mA)
Dropout Voltage
vs. Output Current
V
OUT = 2.5V
V
OUT = 1.8V
0
100
200
300
400
500
600
-40 -20 0
20 40 60 80 100 120
TEMPERATURE (
°C)
Dropout Voltage
vs. Temperature
I
LOAD = 1.5A
V
OUT = 2.5V
V
OUT = 1.8V
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
2.8
INPUT VOLTAGE (V)
Dropout Characteristics
I
LOAD = 100mA
I
LOAD = 750mA
I
LOAD = 1.5A
0
5
10
15
20
25
0
250 500 750 1000 1250 1500
OUTPUT CURRENT (mA)
Ground Current
vs. Output Current
V
OUT = 2.5V
V
OUT = 1.8V
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
02
46
8
10
12
SUPPLY VOLTAGE (V)
Ground Current
vs. Supply Voltage
I
LOAD = 10mA
I
LOAD = 100mA
0
5
10
15
20
25
30
35
40
45
50
55
60
65
02
46
8
10
12
SUPPLY VOLTAGE (V)
Ground Current
vs. Supply Voltage
I
LOAD = 750mA
I
LOAD = 1500mA
I
LOAD = 1000mA
0.30
0.31
0.32
0.33
0.34
0.35
0.36
-40 -20 0
20 40 60 80 100 120
TEMPERATURE (
°C)
Ground Current
vs. Temperature
I
LOAD = 10mA
V
OUT = 2.5V
V
OUT = 1.8V
0
1
2
3
4
5
6
7
8
-40 -20 0
20 40 60 80 100 120
TEMPERATURE (
°C)
Ground Current
vs. Temperature
I
LOAD = 750mA
V
OUT = 1.8V
V
OUT = 2.5V
0
5
10
15
20
25
-40 -20 0
20 40 60 80 100 120
TEMPERATURE (
°C)
Ground Current
vs. Temperature
I
LOAD = 1.5A
V
OUT = 1.8V
V
OUT = 2.5V
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
-40 -20 0
20 40 60 80 100 120
TEMPERATURE (
°C)
Short Circuit vs.
Temperature
typical 1.8V device
typical 2.5V device



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