AAT1143 查看數據表（PDF） - Skyworks Solutions
零件编号
产品描述 (功能)
生产厂家
AAT1143 Datasheet PDF : 19 Pages
| |||
Typical Characteristics
Efficiency vs. Load
(VOUT = 2.5V; L = 4.7μH)
100
VIN = 3.0V VIN = 3.3V
90
80
VIN = 3.6V
70
60
0.1
1
10
100
1000
Output Current (mA)
Efficiency vs. Load
(VOUT = 1.8V; L = 4.7μH)
100
90 VIN = 2.7V
VIN = 3.6V
80
70
VIN = 4.2V
60
50
0.1
1
10
100
1000
Output Current (mA)
Frequency vs. Input Voltage
(VOUT = 1.8V)
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
DATA SHEET
AAT1143
1MHz 400mA Step-Down Converter
2.0
1.0
0.0
-1.0
-2.0
0.1
Load Regulation
(VOUT = 2.5V; L = 4.7μH)
VIN = 3.0V
VIN = 3.3V
VIN = 3.6V
1
10
100
1000
Output Current (mA)
2.0
1.0
0.0
-1.0
-2.0
0.1
DC Regulation
(VOUT = 1.8V; L = 4.7μH)
VIN = 4.2V
VIN = 2.7V
VIN = 3.6V
1
10
100
1000
Output Current (mA)
Output Voltage Error vs. Temperature
(VIN = 3.6V; VO = 1.5V)
2.0
1.0
0.0
-1.0
-2.0
-40
-20
0
20
40
60
Temperature (°C)
80
100
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201983B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 25, 2013
5
Share Link: 