AAT2789 Datasheet, PDF (9/22 Pages) Advanced Analogic Technologies – Low Noise, High Frequency Dual Step-Down Converter

SystemPower^TM
PRODUCT DATASHEET
AAT2789
Low Noise, High Frequency Dual Step-Down Converter
Typical Characteristics – Channel 2
100
90
80
70
60
50
40
30
0.1
Efficiency vs. Output Current
(V_OUT = 3.3V)
V_IN = 3.6V
VIN = 4.2V
VIN = 5V
1
10
100
1000
Output Current (mA)
1
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1
0.1
Load Regulation
(V_OUT = 3.3V)
VIN = 3.6V
VIN = 4.2V
VIN = 5V
1
10
100
1000
Output Current (mA)
100
90
80
70
60
50
40
30
0.1
Efficiency vs. Output Current
(V_OUT = 2.5V)
VIN = 3V
VIN = 3.6V
VIN = 4.2V
VIN = 5V
1
10
100
1000
Output Current (mA)
1
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1
0.1
Load Regulation
(V_OUT = 2.5V)
VIN = 3V
VIN = 3.6V
VIN = 4.2V
VIN = 5V
1
10
100
1000
Output Current (mA)
100
90
80
70
60
50
40
30
0.1
Efficiency vs. Output Current
(V_OUT = 1.8V)
VIN = 2.7V
VIN = 3.6V
VIN = 4.2V
1
10
100
1000
Output Current (mA)
1
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1
0.1
Load Regulation
(V_OUT = 1.8V)
VIN = 2.7V
VIN = 3.6V
VIN = 4.2V
1
10
100
1000
Output Current (mA)
2789.2008.03.1.0
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