MIC2800(2006) 데이터 시트보기 (PDF) - Micrel
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MIC2800
(Rev.:2006)
(Rev.:2006)
Micrel
MIC2800 Datasheet PDF : 21 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
IOUT = 50mA
10
VOUT = 1.8V
COUT = 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
VIN = 3.6V
1.85
VOUT = 1.87V
COUT = 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 VIN = 3.6V
VOUT = 1.8V
10 COUT = 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 VIN = 4.2V
VOUT = 1.87V
COUT = 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
COUT = 2.2µF
/LowQ = GND
0
2.7 3.4 4.1 4.8 5.5
SUPPLY VOLTAGE (V)
June 2006
9
M9999-061406
(408) 955-1690
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