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MIC69151 Datasheet(PDF) 4 Page - Micrel Semiconductor

Part # MIC69151
Description  Single Supply VIN, Low VIN, Low VOUT, 1.5A LDO
PDF  9 Pages
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC69151 Datasheet(HTML) 4 Page - Micrel Semiconductor

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Micrel, Inc.
MIC69151/153
July 2010
4
M9999-071210-D
Typical Characteristics
0
10
20
30
40
50
60
70
Power Supply
Rejection Ratio
1K
10K
FREQUENCY (Hz)
VIN = 3.3V
VOUT = 1.8V
IOUT = 0.5A
0
50
100
150
200
250
300
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
OUTPUT CURRENT (A)
0
Dropout Voltage
vs. Output Current
VOUT = 1.8V
COUT = 10µF
0
50
100
150
200
250
300
350
400
Dropout Voltage
vs. Temperature
20 40 60 80
TEMPERATURE (°C)
VIN = 3.3V
VOUT = 1.8V
IOUT=1.5A
IOUT=750mA
0
2
4
6
8
10
12
14
16
18
Ground Current
vs. Output Current
800
1200
OUTPUT CURRENT (mA)
VIN = 3V
VOUT = 1.8V
COUT = 10µF
0
2
4
6
8
10
12
14
16
Ground Current
vs. Temperature
20 40 60 80
TEMPERATURE (°C)
VIN = VOUT +1
VOUT = 1.8V
COUT = 10µF
1A
0.5A
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0
0.5
1.0 1.5
2.0 2.5
3.0
INPUT VOLTAGE (V)
Output Voltage
vs. Input Voltage
VOUT = 1.8V
COUT = 10µF
1A
750mA
1.70
1.72
1.74
1.76
1.78
1.80
1.82
1.84
1.86
1.88
1.90
Output Voltage
vs. Temperature
20 40 60 80
TEMPERATURE (°C)
VIN = 3.3V
VOUT = 1.8V
IOUT = 10mA
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
Current Limit
vs. Temperature
20 40 60 80
TEMPERATURE (°C)
VIN = 3.3V
VOUT = 1.8V
1.786
1.788
1.790
1.792
1.794
1.796
1.798
1.800
1.802
0
0.25 0.5 0.75 1.0 1.25 1.5
OUTPUT CURRENT (A)
Load Regulation
VIN = 3V
VOUT = 1.8V
COUT = 10µF
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
Enable Threshold
vs. Temperature
20 40 60 80
TEMPERATURE (°C)
VIN = 2.8V
VOUT = 1.8V
COUT = 10µF
IOUT = 100mA
ON
OFF



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