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MIC49300 Datasheet(PDF) 5 Page - Micrel Semiconductor

Part # MIC49300
Description  3.0A LOW VOLTAGE LDO REGULATOR W/DUAL INPUT VOLTAGES
PDF  8 Pages
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC49300 Datasheet(HTML) 5 Page - Micrel Semiconductor

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October 2003
5
MIC49300
MIC49300
Micrel
0
50
100
150
200
250
300
0
0.5
1
1.5
2
2.5
3
OUTPUT CURRENT (A)
V
IN
Dropout
vs. Output Current
1
1.1
1.2
1.3
1.4
1.5
1.6
1.7
00.5
1.0
1.5
2.0
2.5
3.0
OUTPUT CURRENT (A)
V
BIAS
Dropout
vs. Output Current
0
50
100
150
200
250
300
350
400
-40 -20 0
20 40 60 80 100 120
TEMPERATURE (°C)
Dropout vs.
Temperature (Input Supply)
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 3.5 4.0
SUPPLY VOLTAGE (V)
Dropout Characteristics
V
BIAS = 5V
100mA
3A
0
5
10
15
20
25
0 0.5 1 1.5 2 2.5 3 3.5 4
INPUT SUPPLY (V)
Bias Current
vs. Input Supply
V
OUT = 1.8V
V
BIAS = 5V
I
OUT = 0mA
I
OUT = 100mA
0
100
200
300
400
500
600
700
800
900
1000
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
SUPPLY VOLTAGE (V)
Bias Current
vs. Supply Voltage
I
OUT = 1A
I
OUT = 3A
I
OUT = 2A
0
5
10
15
20
25
30
35
0
0.5
1.0
1.5
2.0
2.5
3.0
OUTPUT CURRENT (A)
Bias Current
vs. Output Current
V
BIAS = 5V
V
IN = 2.5V
0
5
10
15
20
25
30
35
-40 -20 0
20 40 60 80 100 120
TEMPERATURE (°C)
Bias Current
vs. Temperature
I
OUT
= 100mA
I
OUT
= 100µA
I
OUT
= 500mA
0
10
20
30
40
50
60
-40 -20 0
20 40 60 80 100 120
TEMPERATURE (°C)
Bias Current
vs. Temperature
I
OUT = 1A
I
OUT = 3A
I
OUT = 2A
1.764
1.774
1.784
1.794
1.804
1.814
1.824
1.834
-40 -20 0
20 40 60 80 100 120
TEMPERATURE (°C)
Output Voltage
vs. Temperature
0
1
2
3
4
5
6
7
8
9
-40 -20 0
20 40 60 80 100 120
TEMPERATURE(°C)
Short Circuit
vs. Temperature
Typical Characteristics



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