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AAT1120 参数 Datasheet PDF下载

AAT1120图片预览
型号: AAT1120
PDF下载: 下载PDF文件 查看货源
内容描述: 路500mA降压转换器 [500mA Step-Down Converter]
分类和应用: 转换器
文件页数/大小: 20 页 / 712 K
品牌: ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
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500mA Step-Down Converter
Typical Characteristics
Efficiency vs. Load
(V
OUT
= 3.0V; L = 4.7µH)
100
90
1.0
AAT1120
Load Regulation
(V
OUT
= 3.0V; L = 4.7µH)
0.8
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
0.1
1
10
100
1000
Efficiency (%)
80
70
60
50
40
0.1
V
IN
= 4.2V
V
IN
= 5.0V
Load Regulation (%)
V
IN
= 3.6V
V
IN
= 3.6V
V
IN
= 5.0V
V
IN
= 4.2V
1
10
100
1000
Output Current (mA)
Output Current (mA)
Efficiency vs. Load
(V
OUT
= 1.8V; L = 3.3µH)
100
90
2.0
Load Regulation
(V
OUT
= 1.8V; L = 3.3µH)
1.5
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
0.1
1
10
100
1000
V
IN
= 2.7V
Load Regulation (%)
V
IN
= 3.6V
Efficiency (%)
80
70
60
50
40
0.1
V
IN
= 2.7V
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
= 4.2V
1
10
100
1000
Output Current (mA)
Output Current (mA)
Efficiency vs. Load
(V
OUT
= 1.2V; L = 1.5µH)
100
90
2
1.5
1
0.5
0
-0.5
-1
-1.5
-2
1
10
100
1000
0.1
1
Load Regulation
(V
OUT
= 1.2V; L = 1.5µH)
V
IN
= 2.7V
V
IN
= 3.6V
V
IN
= 4.2V
Efficiency (%)
V
IN
= 2.7V
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
= 5.0V
80
70
60
50
Load Regulation (%)
V
IN
= 5.0V
10
100
1000
40
0.1
Output Current (mA)
Output Current (mA)
1120.2007.01.1.0
5