AAT1146IJS-1.875-T1(2006) データシートの表示（PDF） - Analog Technology Inc
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AAT1146IJS-1.875-T1 Datasheet PDF : 20 Pages
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AAT1146
Fast Transient 400mA Step-Down Converter
Typical Characteristics
Efficiency vs. Load
(VOUT = 1.8V; L = 4.7μH)
100
VIN = 2.7V
90
80
VIN = 3.6V VIN = 4.2V
70
60
50
0.1
1
10
100
1000
Output Current (mA)
1.0
0.5
0.0
-0.5
-1.0
0.1
DC Regulation
(VOUT = 1.8V)
VIN = 4.2V
VIN = 3.6V
VIN = 2.7V
1
10
100
1000
Output Current (mA)
Efficiency vs. Load
(VOUT = 2.5V; L = 6.8μH)
100
VIN = 2.7V
90
80
VIN = 5.0V
VIN = 4.2V
70
VIN = 3.6V
60
50
0.1
1
10
100
Output Current (mA)
1000
1.0
0.5
0.0
-0.5
-1.0
0.1
DC Regulation
(VOUT = 2.5V)
VIN = 4.2V
VIN = 5.0V
VIN = 3.6V
VIN = 3.0V
1
10
100
1000
Output Current (mA)
Efficiency vs. Load
(VOUT = 3.3V; L = 6.8μH)
100
1.0
VIN = 3.6V
90
0.5
VIN = 4.2V
80
VIN = 5.0V
0.0
70
-0.5
60
50
0.1
-1.0
1
10
100
1000
0.1
Output Current (mA)
DC Regulation
(VOUT = 3.3V; L = 6.8µH)
VIN = 5.0V
VIN = 4.2V
VIN = 3.6V
1
10
100
1000
Output Current (mA)
1146.2006.04.1.3
5
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