AAT1120 데이터 시트보기 (PDF) - Skyworks Solutions
부품명
상세내역
제조사
AAT1120 Datasheet PDF : 19 Pages
| |||
Typical Characteristics
Soft Start
(VIN = 3.6V; VOUT = 1.8V; 500mA)
5.0
1.6
4.0
VO
1.4
3.0 VEN
1.2
2.0
1.0
1.0
0.8
0.0
0.6
-1.0
0.4
-2.0
0.2
-3.0
I LX
0.0
-4.0
-0.2
-5.0
-0.4
Time (100µs/div)
Output Voltage Error vs. Temperature
(VIN = 3.6V; VOUT = 1.8V; IOUT = 500mA)
3.0
2.0
1.0
0.0
-1.0
-2.0
-3.0
-40
-20
0
20
40
60
80
100
Temperature (°C)
Frequency Variation vs. Input Voltage
2.0
1.0
VOUT = 1.8V
0.0
-1.0
-2.0
-3.0
VOUT = 3.0V
-4.0
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
DATA SHEET
AAT1120
500mA Step-Down Converter
0.30
0.20
0.10
0.00
-0.10
-0.20
-0.30
2.5
Line Regulation
(VOUT = 1.8V)
IOUT = 50mA
IOUT = 10mA
IOUT = 250mA
IOUT = 0mA
IOUT = 150mA
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Input Voltage (V)
Switching Frequency Variation
vs. Temperature
(VIN = 3.6V; VOUT = 1.8V)
10.0
8.0
6.0
4.0
2.0
0.0
-2.0
-4.0
-6.0
-8.0
-10.0
-40
-20
0
20
40
60
80
100
Temperature (°C)
No Load Quiescent Current vs. Input Voltage
50
45
40
35 85°C
30 25°C
25 -40°C
20
15
10
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
6
201973B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 15, 2013
Share Link: 