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MIC37151 Datasheet(PDF) 5 Page - Micrel Semiconductor

Part # MIC37151
Description  1.5 A LOW VOLTAGE UCAP LDO REGULATOR
PDF  10 Pages
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC37151 Datasheet(HTML) 5 Page - Micrel Semiconductor

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August 2003
5
MIC37150/37151/37152
MIC37150/37151/37152
Micrel
Typical Characteristics
0
20
40
60
80
1E-2 1E-1 1E+0 1E+1 1E+2 1E+3
FREQUENCY (Hz)
Power Supply
Rejection Ratio
I
OUT = 1.5A
C
OUT = 10µF
C
IN = 0
V
IN = 3.3V
V
OUT = 2.5V
0.01 0.1
1
10
100
1k
0
20
40
60
80
1E-2 1E-1 1E+0 1E+1 1E+2 1E+3
FREQUENCY (Hz)
Power Supply
Rejection Ratio
I
OUT = 1.5A
C
OUT = 47µF
C
IN = 0
V
IN = 3.3V
V
OUT = 2.5V
0.01 0.1
1
10
100
1k
0
50
100
150
200
250
300
350
0
400
800
1200
1600
OUTPUT CURRENT (mA)
Dropout Voltage vs.
Output Current
2.5V
OUT
0
50
100
150
200
250
300
350
400
450
500
-40 -20 0
20 40 60 80 100 120
TEMPERATURE (°C)
Dropout Voltage vs.
Temperature
2.5V
OUT
0
0.5
1.0
1.5
2.0
2.5
3.0
1
1.5
2
2.5
3
3.5
INPUT VOLTAGE (V)
Dropout Characteristics
100mA
750mA
1.5A
0
2
4
6
8
10
12
14
16
18
OUTPUT CURRENT (mA)
Ground Current
vs. Output Current
1.5V
OUT
2.5V
OUT
0
0.2
0.4
0.6
0.8
1
1.2
1.4
01
234
56
SUPPLY VOLTAGE (V)
Ground Current
vs. Supply Voltage
V
OUT
= 2.5V
10mA
100mA
0
5
10
15
20
25
30
35
40
45
01
23
45
6
SUPPLY VOLTAGE (V)
Ground Current
vs. Supply Voltage
V
OUT
= 2.5V
1500mA
750mA
1000mA
0.4
0.405
0.41
0.415
0.42
0.4
0.43
0.435
0.44
0.445
0.5
-40 -20 0
20 40 60 80 100 120
TEMPERATURE (°C)
Ground Current
vs. Temperature
V
OUT = 2.5V
I
LOAD = 10mA
0
2
4
6
8
10
12
14
16
18
20
-40 -20 0
20 40 60 80 100 120
TEMPERATURE (°C)
Ground Current
vs. Temperature
V
OUT =2.5V
I
LOAD = 1.5A
0
0.5
1.0
1.5
2.0
2.5
3.0
-40 -20 0
20 40 60 80 100 120
TEMPERATURE (°C)
Short Circuit Current
vs. Temperature
0
1
2
3
4
5.0
6
7
-40 -20 0
20 40 60 80 100 120
TEMPERATURE (°C)
Ground Current
vs. Temperature
V
OUT = 2.5V
I
LOAD
= 750mA



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