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Número de pieza
componentes Descripción
MIC2800-1.8/1.2/2.5YML Ver la hoja de datos (PDF) - Micrel
Número de pieza
componentes Descripción
Fabricante
MIC2800-1.8/1.2/2.5YML
Two-Zone Thermal Supervisor Advance Information
Micrel
MIC2800-1.8/1.2/2.5YML Datasheet PDF : 20 Pages
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Micrel, Inc.
Typical Characteristics (DC/DC LowQ Mode)
Power Supply Rejection Ratio
(Input Voltage)
60
4.2V
50
3.6V
40
30
20
I
OUT
= 50mA
10
V
OUT
= 1.8V
C
OUT
= 2.2µF
/LowQ = GND
00.01 0.1 1 10 100
FREQUENCY (kHz)
1,000
LDO Output Voltage
vs. Output Current
1.90
1.89
1.88
1.87
1.86
V
IN
= 3.6V
1.85
V
OUT
= 1.87V
C
OUT
= 2.2µF
/LowQ = GND
1.84
10 20 30 40 50 60 70 80 90
OUTPUT CURRENT (mA)
Power Supply Rejection Ratio
(Output Current)
80
0µA
70
60
50
40
50mA
100µA
30
20
V
IN
= 3.6V
V
OUT
= 1.8V
10 C
OUT
= 2.2µF
/LowQ = GND
00.01 0.1 1 10 100
FREQUENCY (kHz)
1,000
DC/DC LowQ Mode
Output Noise Spectral Density
10
1
0.1
0.01
V
IN
= 4.2V
V
OUT
= 1.87V
C
OUT
= 2.2µF
/LowQ = GND
0.000.101
0.1 1 10
100 1,000 10,000
FREQUENCY (kHz)
MIC2800
LDO Current Limit
vs. Supply Voltage
100
80
60
40
20
C
OUT
= 2.2µF
/LowQ = GND
0
2.7 3.4 4.1 4.8 5.5
SUPPLY VOLTAGE (V)
September 2007
9
M9999-090507-C
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