參數(shù)資料
型號(hào): MIC2800-187YML
廠商: Micrel Semiconductor,Inc.
英文描述: Digital Power Management IC 2MHz, 600mA DC/DC w/Dual 300mA/300mA Low VIN LDOs
中文描述: 數(shù)字電源管理IC,600mA的直流/直流瓦特2MHz的/雙300mA/300mA低VIN LDO的
文件頁數(shù): 9/21頁
文件大?。?/td> 645K
代理商: MIC2800-187YML
Micrel, Inc.
MIC2800
Typical Characteristics (DC/DC LowQ Mode)
June 2006
9
M9999-061406
(408) 955-1690
10
20
30
40
50
60
Power Supply Rejection Ratio
(Input Voltage)
4.2V
1
FREQUENCY (kHz)
0.1
0
10
100
1,000
3.6V
I
OUT
= 50mA
V
OUT
= 1.8V
C
= 2.2μF
/LowQ = GND
10
20
30
40
50
60
70
80
Power Supply Rejection Ratio
(Output Current)
1
FREQUENCY (kHz)
0.1
0
10
100
1,000
100μA
0μA
50mA
V
IN
= 3.6V
V
OUT
= 1.8V
C
= 2.2μF
/LowQ = GND
0
2.7
20
60
80
100
SUPPLY VOLTAGE (V)
LDO Current Limit
vs. Supply Voltage
3.4
4.8
5.5
4.1
/LowQ = GND
C
= 2.2μF
40
1.84
1.85
1.86
1.87
1.88
1.89
1.90
10 20 30 40 50 60 70 80 90
OUTPUT CURRENT (mA)
LDO Output Voltage
vs. Output Current
V
IN
= 3.6V
V
OUT
= 1.87V
C
= 2.2μF
/LowQ = GND
0.00.01
0.01
0.1
1
10
DC/DC LowQ Mode
Output Noise Spectral Density
1
FREQUENCY (kHz)
0.1
10
100 1,000 10,000
V
IN
= 4.2V
V
OUT
= 1.87V
C
/Low = 2.2μF
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