AAT2146W Datasheet, PDF (5/18 Pages) Skyworks Solutions Inc. – Low-Noise, Fast Transient 600mA Step-Down Converter

DATA SHEET
AAT2146W
Low-Noise, Fast Transient 600mA Step-Down Converter
Typical Characteristics¹
100
90
80
70
60
50
40
30
20
10
0
0.1
Efficiency vs. Output Current
(V_OUT= 1.8V)
Vin=5.5V
Vin=5.0V
Vin=4.2V
Vin=3.6V
Vin=3.0V
Vin=2.7V
1
10
100
Output Current (mA)
1000
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=5.5V
Vin=5.0V
Vin=4.2V
Vin=3.6V
Vin=3.0V
Vin=2.7V
1
10
100
1000
Output Current (mA)
100
90
80
70
60
50
40
30
20
10
0
0.1
Efficiency vs. Output Current
(V_OUT= 2.5V)
Vin=5.5V
Vin=5.0V
Vin=4.2V
Vin=3.6V
Vin=3.0V
1
10
100
Output Current (mA)
1000
`
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= 2.5V)
Vin=5.5V
Vin=5.0V
Vin=4.2V
Vin=3.6V
Vin=3.0V
1
10
100
1000
Output Current (mA)
Efficiency vs. Output Current
(V_OUT= 3.3V)
100
90
Vin=5.5V
Vin=5.0V
80
Vin=4.2V
70
60
50
40
30
20
10
0
0.1
1
10
100
1000
Output Current (mA)
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=5.5V
Vin=5.0V
Vin=4.2V
1
10
100
1000
Output Current (mA)
1. See figure 2 for the application test circuit.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
202008A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • May 28, 2012
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