AAT1143(2005) 查看數據表（PDF） - Advanced Analogic Technologies
零件编号
产品描述 (功能)
生产厂家
AAT1143 Datasheet PDF : 20 Pages
| |||
AAT1143
1MHz 400mA Step-Down Converter
Typical Characteristics
Switching Frequency vs. Temperature
(VIN = 3.6V; VO = 1.5V)
0.20
0.10
0.00
-0.10
-0.20
-40
-20
0
20
40
60
80
100
Temperature (°C)
Quiescent Current vs. Input Voltage
(VO = 1.8V)
35
85°C
30
25°C
25
20
-40°C
15
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Input Voltage (V)
P-Channel RDS(ON) vs. Input Voltage
750
700
650
120°C 100°C
600
550
500
85°C
450
25°C
400
350
300
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Input Voltage (V)
Load Transient Response
(30mA - 300mA; VIN = 3.6V; VOUT = 1.8V; C1 = 10µF)
2.0
1.4
1.9
1.2
1.8
1.0
1.7
300mA
0.8
1.6
30mA
0.6
1.5
0.4
1.4
0.2
1.3
0.0
1.2
-0.2
Time (25µs/div)
N-Channel RDS(ON) vs. Input Voltage
750
700
650
120°C 100°C
600
550
500
450
85°C
400
25°C
350
300
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Input Voltage (V)
Load Transient Response
(30mA - 300mA; VIN = 3.6V; VOUT = 1.8V;
C1 = 10µF; C4 = 100pF; see Figure 1)
0.1
1.4
0.0
1.2
-0.1
300mA
1.0
-0.2
30mA
0.8
-0.3
0.6
-0.4
0.4
-0.5
0.2
-0.6
0.0
-0.7
-0.2
Time (25µs/div)
6
1143.2005.09.1.7
Share Link: 