AAT1110_06 Datasheet, PDF (5/19 Pages) Advanced Analogic Technologies – Fast Transient 800mA Step-Down Converter

AAT1110
Fast Transient 800mA Step-Down Converter
Typical Characteristics
Efficiency vs. Load
(V_OUT = 1.8V; L = 4.7µH)
100
V_IN = 2.7V
90
80
V_IN = 3.6V V_IN = 4.2V
70
60
50
0.1
1
10
100
1000
Output Current (mA)
DC Regulation
(V_OUT = 1.8V)
1.0
V_IN = 4.2V
0.5
V_IN = 3.6V
0.0
-0.5
-1.0
0.1
V_IN = 2.7V
1
10
100
1000
Output Current (mA)
Efficiency vs. Load
(V_OUT = 2.5V; L = 6.8µH)
100
V_IN = 3.0V
90
80
V_IN = 4.2V ^{VIN = 5.0V}
V_IN = 3.6V
70
60
50
0.1
1
10
100
1000
Output Current (mA)
DC Regulation
(V_OUT = 2.5V)
2.0
1.5
V_IN = 5.0V
1.0
0.5
V_IN = 4.2V
0.0
-0.5 _{VIN = 3.6V}
-1.0
-1.5
V_IN = 3.0V
-2.0
0.1
1
10
100
1000
Output Current (mA)
Efficiency vs. Load
(V_OUT = 3.3V; L = 6.8µH)
100
V_IN = 3.6V
90
80
V_IN = 5.0V
V_IN = 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
(V_OUT = 3.3V; L = 6.8µH)
V_IN = 4.2V
V_IN = 5.0V
1
10
100
1000
Output Current (mA)
1110.2006.04.1.0
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