AAT1147 データシートの表示（PDF） - Analog Technology Inc
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AAT1147 Datasheet PDF : 19 Pages
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Typical Characteristics
Efficiency vs. Load
(VOUT = 3.3V; L = 6.8µH)
100
VIN = 3.6V
80
60
VIN = 4.2V
40
VIN = 5.0V
20
0
1
10
100
Output Current (mA)
AAT1147
High Efficiency, Low Noise, Fast Transient
400mA Step-Down Converter
DC Regulation
(VOUT = 3.3V)
2.0
1.5
1.0
0.5
VIN = 4.2V
0.0
-0.5
VIN = 3.6V
-1.0
VIN = 5.0V
-1.5
1000
-2.0
0.1
1
10
100
1000
Output Current (mA)
Efficiency vs. Load
(VOUT = 2.5V; L = 6.8µH)
100
80
VIN = 3.6V
60
40
VIN = 4.2V
VIN = 5.0V
20
0
1
10
100
1000
Output Current (mA)
2.0
1.5
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
0.1
DC Regulation
(VOUT = 2.5V)
VIN = 4.2V
VIN = 5.0V
VIN = 3.6V
1
10
100
1000
Output Current (mA)
Efficiency vs. Load
(VOUT = 1.8V; L = 4.7µH)
DC Regulation
(VOUT = 1.8V)
100
2.0
80 VIN = 3.0V
60
VIN = 3.6V
40
VIN = 4.2V
20
1.5
1.0
VIN = 4.2V
0.5
0.0
-0.5
VIN = 3.6V
-1.0
VIN = 3.0V
-1.5
0
-2.0
1
10
100
1000
0.1
1
10
100
1000
Output Current (mA)
Output Current (mA)
1147.2006.05.1.0
5
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