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AAT1153 Datasheet(PDF) 5 Page - Advanced Analogic Technologies

Part # AAT1153
Description  2A Step-Down Converter
PDF  19 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  ANALOGICTECH [Advanced Analogic Technologies]
Direct Link  http://www.analogictech.com
Logo ANALOGICTECH - Advanced Analogic Technologies

AAT1153 Datasheet(HTML) 5 Page - Advanced Analogic Technologies

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AAT1153
2A Step-Down Converter
PRODUCT DATASHEET
1153.2008.02.1.2
5
www .analogictech.com
AAT1153
2A Step-Down Converter
PRODUCT DATASHEET
1153.2008.02.1.2
5
www .analogictech.com
Typical Characteristics
Efficiency vs. Output Current
(VOUT = 3.3V, TA = 25°C, L = 2.2µH, CIN = COUT = 22µF)
Output Current (mA)
0
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
10000
VIN = 3.7V
VIN = 4.2V
VIN = 5.0V
VIN = 5.5V
DC Regulation
(VOUT = 3.3V, TA = 25°C, L = 2.2µH, CIN = COUT = 22µF)
Output Current (mA)
3.201
3.234
3.267
3.300
3.333
3.366
3.399
0
200
400
600
800 1000 1200 1400 1600 1800 2000
VIN = 5.5V
VIN = 5.0V
VIN = 3.7V
VIN = 4.2V
Efficiency vs. Output Current
(VOUT = 1.8V, TA = 25°C, L = 2.2µH, CIN = COUT = 22µF)
Output Current (mA)
0
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
10000
VIN = 5.5V
VIN = 5.0V
VIN = 4.2V
VIN = 3.6V
VIN = 2.5V
DC Regulation
(VOUT = 1.8V, TA = 25°C, L = 2.2µH, CIN = COUT = 22µF)
Output Current (mA)
1.746
1.764
1.782
1.800
1.818
1.836
1.854
0
200
400
600
800 1000 1200 1400 1600 1800 2000
VIN = 5.5V
VIN = 5.0V
VIN = 4.2V
VIN = 3.6V
VIN = 2.5V
Efficiency vs. Output Current
(VOUT = 1.5V, TA = 25°C, L = 2.2µH, CIN = COUT = 22µF)
Output Current (mA)
0
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
10000
VIN = 5.5V
VIN = 5.0V
VIN = 4.2V
VIN = 3.6V
VIN = 2.5V
DC Regulation
(VOUT = 1.5V, TA = 25°C, L = 2.2µH, CIN = COUT = 22µF)
Output Current (mA)
1.455
1.470
1.485
1.500
1.515
1.530
1.545
0
200
400
600
800 1000 1200 1400 1600 1800 2000
VIN = 5.5V
VIN = 5.0V
VIN = 4.2V
VIN = 3.6V
VIN = 2.5V



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