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AAT1145 Datasheet(PDF) 5 Page - Advanced Analogic Technologies

Part # AAT1145
Description  1.5A Step-Down Converter
Download  17 Pages
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Manufacturer  ANALOGICTECH [Advanced Analogic Technologies]
Direct Link  http://www.analogictech.com
Logo ANALOGICTECH - Advanced Analogic Technologies

AAT1145 Datasheet(HTML) 5 Page - Advanced Analogic Technologies

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AAT1145
1.5A Step-Down Converter
SwitchRegTM
PRODUCT DATASHEET
1145.2008.01.1.2
5
www .analogictech.com
AAT1145
1.5A Step-Down Converter
SwitchRegTM
PRODUCT DATASHEET
1145.2008.01.1.2
5
www .analogictech.com
Typical Characteristics
Efficiency vs. Output Current
(VOUT = 3.3V; TA = 25
°°C; L = 2.2µH)
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 = 5V
VIN = 5.5V
Efficiency vs. Output Current
(VOUT = 1.8V; TA = 25
°°C; L = 2.2µH)
Output Current (mA)
0
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
10000
VIN = 2.5V
VIN = 3.6V
VIN = 4.2V
VIN = 5V
VIN = 5.5V
Efficiency vs. Output Current
(VOUT = 1.5V; TA = 25
°°C; L = 2.2µH)
Output Current (mA)
0
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
10000
VIN = 2.7V
VIN = 3.6V
VIN = 4.2V
VIN = 5V
VIN = 5.5V
Efficiency vs. Output Current
(VOUT = 1.2V; TA = 25°C; L = 2.2µH)
Output Current (mA)
0
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
10000
VIN = 2.5V
VIN = 3.6V
VIN = 5V
VIN = 4.2V
DC Regulation
(VOUT = 3.3V; TA = 25°C; L = 2.2µH; COUT = 22µF)
Output Current (mA)
3.201
3.234
3.267
3.300
3.333
3.366
3.399
0
300
600
900
1200
1500
VIN = 5.5V
VIN = 5V
VIN = 4.2V
VIN = 3.7V
DC Regulation
(VOUT = 1.8V; TA = 25°C; L = 2.2µH; COUT = 22µF)
Output Current (mA)
1.746
1.764
1.782
1.800
1.818
1.836
1.854
0
300
600
900
1200
1500
VIN = 5.5V
VIN = 5V
VIN = 4.2V
VIN = 3.6V
VIN = 2.5V


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