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AAT1153 Datasheet(PDF) 6 Page - Advanced Analogic Technologies

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

AAT1153 Datasheet(HTML) 6 Page - Advanced Analogic Technologies

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AAT1153
2A Step-Down Converter
PRODUCT DATASHEET
6
1153.2008.02.1.2
www .analogictech.com
AAT1153
2A Step-Down Converter
PRODUCT DATASHEET
6
1153.2008.02.1.2
www .analogictech.com
Typical Characteristics
Efficiency vs. Output Current
(VOUT = 1.2V, 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 = 4.2V
VIN = 3.6V
VIN = 2.5V
VIN = 5.0V
DC Regulation
(VOUT = 1.2V, TA = 25°C, L = 2.2µH, CIN = COUT = 22µF)
Output Current (mA)
1.164
1.176
1.188
1.200
1.212
1.224
1.236
0
200
400
600
800 1000 1200 1400 1600 1800 2000
VIN = 5.5V
VIN = 5.0V
VIN = 4.2V
VIN = 2.5V
VIN = 3.6V
Quiescent Current vs. Input Voltage
(TA = 25°C, L = 2.2µH, CIN = COUT = 22µF)
Input Voltage (V)
0.20
0.22
0.24
0.26
0.28
0.30
0.32
0.34
0.36
0.38
2.5
3.0
3.5
4.0
4.5
5.0
5.5
VOUT = 3.3V
VOUT = 1.8V
Quiescent Current vs. Temperature
(L = 2.2µH, CIN = COUT = 22µF)
Temperature (°C)
200
250
300
350
400
-40
-20
0
20
40
60
80
100
VIN = 4.2V
VOUT = 3.3V
VIN = 3.6V
VOUT = 1.8V
Line Regulation
(VOUT = 1.8V, L = 2.2µH, CIN = COUT = 22µF)
Input Voltage (V)
-0.40
-0.20
0.00
0.20
0.40
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
IOUT = 2A
IOUT = 1.5A
IOUT = 1A
IOUT = 1mA
IOUT = 600mA



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