AAT1123 Datasheet, PDF (5/18 Pages) Advanced Analogic Technologies – 1MHz Step-Down Converter

Typical Characteristics
Efficiency vs. Load
(V_OUT = 3.3V; L = 10μH)
100
90
V_IN = 3.9V
80
V_IN = 4.2V
70
60
0.1
1
10
100
1000
Output Current (mA)
Efficiency vs. Load
(V_OUT = 2.5V; L = 10μH)
100
V_IN = 3.3V
90
V_IN = 3.0V V_IN = 3.6V
80
70
60
0.1
1
10
100
1000
Output Current (mA)
Efficiency vs. Load
(V_OUT = 1.5V; L = 4.7μH)
100
V_IN = 2.7V
90
V_IN = 3.6V
80
V_IN = 4.2V
70
60
50
0.1
1
10
100
1000
Output Current (mA)
DATA SHEET
AAT1123
1MHz Step-Down Converter
DC Regulation
(V_OUT = 3.3V; L = 10μH)
3.0
2.0
V_IN = 4.2V
1.0
0.0
-1.0
V_IN = 3.9V
-2.0
-3.0
0.1
1
10
100
Output Current (mA)
DC Regulation
(V_OUT = 2.5V; L = 10μH)
3.0
2.0 ^{VIN = 3.3V}
1.0
V_IN = 3.6V
0.0
-1.0 VIN = 3.0V
-2.0
-3.0
0.1
1
10
100
Output Current (mA)
1000
1000
DC Regulation
(V_OUT = 1.5V; L = 4.7μH)
3.0
2.0 V_IN = 4.2V
1.0
V_IN = 3.6V
0.0
-1.0 ^VIN ^{= 2.7V}
-2.0
-3.0
0.1
1
10
100
1000
Output Current (mA)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
201975B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 15, 2013
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