AAT2153 Datasheet, PDF (5/17 Pages) Advanced Analogic Technologies – 2.5A Low Noise Step-Down Converter

SwitchReg^TM
Typical Characteristics
Efficiency vs. Output Current
(V_OUT = 3.3V)
100
90
80
70
60
50
40
30
VIN = 5.0V
20
VIN = 4.5V
10
VIN = 4.2V
0
0
1
10
100
1000
10000
Output Current (mA)
Efficiency vs. Output Current
(V_OUT = 1.8V)
100
90
80
70
60
50
40
30
20
10
0
0
VIN = 4.2V
VIN = 3.6V
VIN = 2.7V
1
10
100
1000
10000
Output Current (mA)
Efficiency vs. Output Current
(V_OUT = 1.2V)
100
90
80
70
60
50
40
30
20
10
0
0
VIN = 4.2V
VIN = 3.6V
VIN = 2.7V
1
10
100
1000
10000
Output Current (mA)
PRODUCT DATASHEET
AAT2153
2.5A Low Noise Step-Down Converter
1.0
0.8
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
0.1
Load Regulation
(V_OUT = 3.3V)
VIN = 5.0V
VIN = 4.5V
VIN = 4.2V
1
10
100
1000
Output Current (mA)
10000
1.0
0.8
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
0.1
Load Regulation
(V_OUT = 1.8V)
VIN = 4.2V
VIN = 3.6V
VIN = 2.7V
1
10
100
1000
Output Current (mA)
10000
1.0
0.8
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
0.1
Load Regulation
(V_OUT = 1.2)
VIN = 4.2V
VIN = 3.6V
VIN = 2.7V
1
10
100
1000
Output Current (mA)
10000
2153.2008.09.1.0
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