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| AAT2552 Datasheet, PDF (10/33 Pages) Advanced Analogic Technologies – Total Power Solution for Portable Applications | |||
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AAT2552
Total Power Solution for Portable Applications
Typical CharacteristicsâStep-Down Converter
Efficiency vs. Load
(VOUT = 3.3V; L = 5.6µH)
100
1.0
VIN = 3.6V
90
80
VIN = 5.0V
0.5
70
VIN = 4.2V
0.0
60
-0.5
50
40
0.1
1
10
100
1000
Output Current (mA)
-1.0
0.1
DC Regulation
(VOUT = 3.3V; L = 5.6µH)
VIN = 5.0V
VIN = 4.2V
VIN = 3.6V
1
10
100
1000
Output Current (mA)
Efficiency vs. Load
(VOUT = 1.8V; L = 3.3µH)
100
VIN = 3.6V
90
VIN = 2.7V
80
VIN = 5.0V
70
60
VIN = 4.2V
50
40
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; L = 3.3µH)
VIN = 3.6V
VIN = 2.7V
VIN = 5.0V
VIN = 4.2V
1
10
100
1000
Output Current (mA)
Efficiency vs. Load
(VOUT = 1.2V; L = 1.5µH)
100
90
VIN = 3.6V
80
VIN = 2.7V
70
VIN = 5.0V
60
VIN = 4.2V
50
40
0.1
1
10
100
1000
Output Current (mA)
1.0
0.5
0.0
-0.5
-1.0
0.1
DC Regulation
(VOUT = 1.2V; L = 1.5μH)
VIN = 3.6V
VIN = 5.0V
VIN = 4.2V
VIN = 2.7V
1
10
100
1000
Output Current (mA)
10
2552.2007.04.1.0
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