AAT2114A Datasheet, PDF (6/16 Pages) Skyworks Solutions Inc. – 2.5A Low-Noise, Fast Transient 3MHz Step-Down Regulator

DATA SHEET
AAT2114A
2.5A Low-Noise, Fast Transient 3MHz Step-Down Regulator
Typical Characteristics
100
90
80
70
60
50
40
30
20
0.1
Efficiency vs. Load
(VOUT = 1.2V; L = 0.47µH)
VIN = 2.7V
VIN = 3.6V
VIN = 4.2V
VIN = 5.0V
VIN = 5.5V
1
10
100
1000
10000
Output Current (mA)
3.0
2.0
1.0
0.0
-1.0
-2.0
0.1
Load Regulation
(VOUT = 1.2V; L = 0.47µH)
VIN = 2.7V
VIN = 3.6V
VIN = 4.2V
VIN = 5.0V
VIN = 5.5V
1
10
100
1000
Output Current (mA)
10000
2.0
1.5
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
2.5
Line Regulation
(V_OUT = 1.8V; L = 0.86µH)
IOUT = 0.10mA
IOUT = 1mA
IOUT = 10mA
IOUT = 0.1A
IOUT = 0.5A
IOUT = 1.25A
IOUT = 2A
IOUT = 2.5A
3.0
3.5
4.0
4.5
5.0
5.5
Input Voltage (V)
2.0
1.5
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
2.5
Line Regulation
(V_OUT = 1.2V; L = 0.47µH)
IOUT = 0.10mA
IOUT = 1mA
IOUT = 10mA
IOUT = 0.1A
IOUT = 0.5A
IOUT = 1.25A
IOUT = 2A
IOUT = 2.5A
3.0
3.5
4.0
4.5
5.0
5.5
Input Voltage (V)
Output Voltage Error vs. Temperature
(VIN = 4.2V; VOUT = 3.3V)
3.0
IOUT = 0.10mA
IOUT = 0.5A
2.0
IOUT = 1mA
IOUT = 10mA
IOUT = 1.25A
IOUT = 2A
IOUT = 0.1A
IOUT = 2.5A
1.0
0.0
-1.0
-2.0
-3.0
-50
-25
0
25
50
75
100
Temperature (°C)
Output Voltage Error vs. Temperature
(VIN = 3.6V; VOUT = 2.5V)
3.0
IOUT = 0.10mA
IOUT = 0.5A
2.0
IOUT = 1mA
IOUT = 10mA
IOUT = 1.25A
IOUT = 2A
IOUT = 0.1A
IOUT = 2.5A
1.0
0.0
-1.0
-2.0
-3.0
-50
-25
0
25
50
75
100
Temperature (°C)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
6
202004C • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 18, 2013