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componentes Descripción
MIC37100(2004) Ver la hoja de datos (PDF) - Micrel
Número de pieza
componentes Descripción
Lista de partido
MIC37100
(Rev.:2004)
1A Low-Voltage µCap LDO Regulator
Micrel
MIC37100 Datasheet PDF : 15 Pages
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MIC37100/37101/37102
Typical Characteristics
Power Supply
Rejection Ratio
80
70
V
IN
= 5V
V
OUT
= 3.3V
60
50
40
30
20
I
OUT
= 1000mA
C
OUT
= 10
µ
F
10
C
IN
= 0
0
0.01 0.1 1 10 100
FREQUENCY (KHz)
1000
Power Supply
Rejection Ratio
80
70
V
IN
= 3.3V
V
OUT
= 2.5V
60
50
40
30
20
I
OUT
= 1000mA
C
OUT
= 47
µ
F
10
C
IN
= 0
0
0.01 0.1 1
10 100
FREQUENCY (KHz)
1000
Dropout Characteristics
(1.5V)
1.6
10mA Load
1.4
1.2
1
0.8
1000mA Load
0.6
0.4
0.2
0
1.5 1.7 1.9 2.1 2.3 2.5
INPUT VOLTAGE (V)
Dropout Characteristics
(3.3V)
3.5
3.0 10mA Load
2.5
2.0
1.5
1000mA Load
1.0
0.5
0
1.5 2 2.5 3 3.5 4
INPUT VOLTAGE (V)
M9999-091604
Power Supply
Rejection Ratio
80
70
V
IN
= 5V
V
OUT
= 3.3V
60
50
40
30
20
I
OUT
= 1000mA
10
C
OUT
= 47
µ
F
C
IN
= 0
0
0.01 0.1 1 10 100
FREQUENCY (KHz)
1000
Dropout
vs. Output Current
350
300
2.5V
OUT
250
200
150
3.3V
OUT
100
50
0
0 0.25 0.5 0.75 1
OUTPUT CURRENT (A)
Dropout Characteristics
(1.8V)
2.0
1.8
10mA Load
1.6
1.4
1.2
1.0
1000mA Load
0.8
0.6
0.4
0.2
0.0
1.5 1.7 1.9 2.1 2.3 2.5 2.7
INPUT VOLTAGE (V)
Ground Current
vs. Output Current
12
10
8
6
4
1.5VOUT
2
3.3VOUT
0
0 0.25 0.5 0.75 1
OUTPUT CURRENT (A)
6
Micrel
Power Supply
Rejection Ratio
80
70
V
IN
= 3.3V
V
OUT
= 2.5V
60
50
40
30
20
I
OUT
= 1000mA
C
OUT
= 10
µ
F
10
C
IN
= 0
0
0.01 0.1 1
10 100
FREQUENCY (KHz)
1000
Dropout
vs. Temperature
450
400
350
300
250
2.5VOUT
200
150
100
50
0
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (
°
C)
Dropout Characteristics
(2.5V)
3.0
2.5
10mA Load
2.0
1.5
1000mA Load
1.0
0.5
0
1.5
2
2.5
3
3.5
INPUT VOLTAGE (V)
Ground Current
vs. Supply Voltage (1.5V)
0.8
0.7
0.6
100mA
0.5
0.4
0.3
0.2
10mA
0.1
0
0123456
INPUT VOLTAGE (V)
September 2004
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