MIC2810(2007) Ver la hoja de datos (PDF) - Micrel
Número de pieza
componentes Descripción
Fabricante
MIC2810
(Rev.:2007)
(Rev.:2007)
Micrel
MIC2810 Datasheet PDF : 18 Pages
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Micrel, Inc.
Typical Characteristics ― LDO1/LDO2
Power Supply Rejection Ratio
LDO1[LOWQ Mode]
80
VIN = 3.6V
70
VOUT = 1.2V
COUT = 2.2µF
60
IOUT = 25mA
/LowQ = GND
50
40
30
20
10
0
0.01 0.1 1 10 100 1000
FREQUENCY (kHz)
Power Supply Rejection Ratio
LDO2[LOWQ Mode]
90
VIN = 3.6V
80
VOUT = 2.8V
70
COUT = 2.2µF
IOUT = 25mA
60
/LowQ = GND
50
40
30
20
10
0
0.01 0.1 1 10 100 1000
FREQUENCY (kHz)
LDO2 Ground Current
vs. Output Current
80
Power Supply Rejection Ratio
LDO1[Normal Mode]
70
VIN = 3.6V
60
VOUT = 1.2V
COUT = 2.2µF
50
IOUT = 100mA
/LowQ = VIN
40
30
20
10
00.01 0.1 1 10 100 1000
FREQUENCY (kHz)
Power Supply Rejection Ratio
LDO2[Normal Mode]
80
VIN = 3.6V
70
VOUT = 2.8V
COUT = 2.2µF
60
IOUT = 100mA
50
/LowQ = VIN
40
30
20
10
00.01 0.1 1 10 100 1000
FREQUENCY (kHz)
LDO2 Ground Current
vs. Temperature
80
75
70
70
60
65
50
60
VIN = 3.6V
VOUT = 2.8V
550
/LowQ = VIN
50 100 150 200 250 300
OUTPUT CURRENT (mA)
LDO2 Dropout Voltage
vs. Temperature
110
40
30-40 -20 0
VIN = 3.6V
IOUT = 200mA
/LowQ = VIN
20 40 60 80 100 120
TEMPERATURE (°C)
LDO2 Output Noise
Spectral Density
10
100
90
80
70
60-40 -20 0
VOUT = 2.8V
IOUT = 200mA
/LowQ = VIN
20 40 60 80 100 120
TEMPERATURE (°C)
1
0.1
0.01 VIN = 4.2V
VOUT = 2.8V
COUT = 2.2µF
/LowQ
0.0001.01 0.1
=
VIN
1
10
100 1,000 10,000
FREQUENCY (kHz)
April 2007
9
MIC2810
LDO1 Line Regulation
2.0
1.9
1.8
1.7
COUT = 2.2µF
VIN = 3.6V
IOUT = 150mA
/LowQ = VIN
1.26.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
INPUT VOLTAGE (V)
LDO2 Load Regulation
2.85
2.80
2.75
2.700
COUT = 2.2µF
VIN = 3.6V
/LowQ = VIN
50 100 150 200 250 300
OUTPUT CURRENT (mA)
LDO2 Dropout Voltage
vs. Output Current
140
120
100
80
60
40
20
VOUT = 2.8V
/LowQ = VIN
0
0 50 100 150 200 250 300
OUTPUT CURRENT (mA)
M9999-041107-B
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