AAT2522 Datasheet, PDF (5/19 Pages) Skyworks Solutions Inc. – Dual High-Current, Low-Noise, Step-Down Regulator

DATA SHEET
AAT2522
Dual High-Current, Low-Noise, Step-Down Regulator
Typical Characteristics
Step-Down Converter Efficiency vs. Load
(VOUT = 1.2V; L = 1.2µH)
100
90
80
70
VIN = 2.7V
60
VIN = 3.0V
50
VIN = 3.3V
V_IN = 3.6V
40
V_IN = 4.2V
30
VIN = 5.0V
V_IN = 5.5V
20
0.1
1
10
100
1000
10000
Output Current (mA)
Step-Down Converter DC Regulation
(V_OUT = 1.2V; L = 1.2µH)
2.0
VIN = 2.7V
1.5
VIN = 3.0V
VIN = 3.3V
1.0
VIN = 3.6V
0.5
VIN = 4.2V
VIN = 5.0V
0.0
VIN = 5.5V
-0.5
-1.0
-1.5
-2.0
0.1
1
10
100
1000
10000
Output Current (mA)
Step-Down Converter Efficiency vs. Load
(VOUT = 1.8V; L = 1.8µH)
100
90
80
70
60
50
40
30
20
0.1
1
VIN = 2.7V
V_IN = 3.0V
V_IN = 3.3V
VIN = 3.6V
V_IN = 4.2V
VIN = 5.0V
VIN = 5.5V
10
100
1000
10000
Output Current (mA)
Step-Down Converter DC Regulation
(VOUT = 1.8V; L = 1.8µH)
2.0
VIN = 2.7V
1.5
VIN = 3.0V
VIN = 3.3V
1.0
VIN = 3.6V
VIN = 4.2V
0.5
VIN = 5.0V
0.0
VIN = 5.5V
-0.5
-1.0
-1.5
-2.0
0.1
1
10
100
1000
10000
Output Current (mA)
Step-Down Converter Efficiency vs. Load
(VOUT = 2.5V; L = 2.5µH)
100
90
80
70
60
50
VIN = 3.3V
VIN = 3.6V
40
VIN = 4.2V
30
V_IN = 5.0V
V_IN = 5.5V
20
0.1
1
10
100
1000
10000
Output Current (mA)
Step-Down Converter DC Regulation
(VOUT = 2.5V; L = 2.5µH)
2.0
VIN = 3.3V
1.5
VIN = 3.6V
VIN = 4.2V
1.0
VIN = 5.0V
VIN = 5.5V
0.5
0.0
-0.5
-1.0
-1.5
-2.0
0.1
1
10
100
1000
10000
Output Current (mA)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
202032A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • June 8, 2012
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