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MIC2245 Datasheet(PDF) 6 Page - Micrel Semiconductor

Part # MIC2245
Description  4MHz PWM Synchronous Buck Regulator with LDO Standby Mode
PDF  14 Pages
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC2245 Datasheet(HTML) 6 Page - Micrel Semiconductor

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Micrel, Inc.
MIC2245
January 2006
6
M9999-012406
www.micrel.com
Typical Characteristics - LDO Mode
0
20
40
60
80
100
120
140
2.7
3.4
4.1
4.8
5.5
SUPPLY VOLTAGE (V)
Current Limit
vs. Supply Voltage
LowQ = 0V
0
20
40
60
80
100
120
140
160
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
Dropout Voltage
vs. Temperature
V
OUT = 3.3V
I
OUT = 50mA
LowQ = 0V
0
10
20
30
40
50
60
70
80
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
Dropout Voltage
vs. Temperature
V
OUT = 3.3V
I
OUT = 25mA
LowQ = 0V
0
5
10
15
20
25
30
35
40
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
Dropout Voltage
vs. Temperature
V
OUT = 3.3V
I
OUT = 10mA
LowQ = 0V
0
1
2
3
4
5
6
7
8
9
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
Dropout Voltage
vs. Temperature
V
OUT = 3.3V
I
OUT = 1mA
LowQ = 0V
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
2.7
3.4
4.1
4.8
5.5
SUPPLY VOLTAGE (V)
Enable Threshold Voltage
vs. Supply Voltage
LowQ = 0V



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