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參數(shù)資料
| 型號： | AAT1147 |
| 廠商： | Advanced Analog Technology,lnc. |
| 英文描述： | High Efficiency, Low Noise, Fast Transient 400mA Step-Down Converter |
| 中文描述： | 高效率，低噪聲，快速瞬態(tài)400mA的降壓轉換器 |
| 文件頁數(shù)： | 7/19頁 |
| 文件大?。?/td> | 620K |
| 代理商： | AAT1147 |
Typical Characteristics
Output Ripple
(V
IN
= 3.6V; V
OUT
= 1.8V; I
OUT
= 400mA)
O
(
I
(
Time (500ns/div)
-120
-100
-80
-60
-40
-20
0
20
40
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
Line Response
(V
OUT
= 1.8V @ 400mA)
O
(
I
(
Time (25μs/div)
1.40
1.45
1.50
1.55
1.60
1.65
1.70
1.75
1.80
1.85
1.90
3.2
3.4
3.6
3.8
4.0
4.2
4.4
4.6
4.8
5.0
5.2
Soft Start
(V
IN
= 3.6V; V
OUT
= 1.8V; I
OUT
= 400mA)
E
(
I
(
Time (25μs/div)
-2.4
-1.6
-0.8
0.0
0.8
1.6
2.4
3.2
4.0
4.8
5.6
-0.4
0.0
0.4
0.8
1.2
1.6
2.0
2.4
2.8
3.2
3.6
Line Transient Response
(40mA to 400mA; V
IN
= 3.6V;
V
OUT
= 1.8V; C
1
= 4.7μF)
O
(
L
(
Time (25μs/div)
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
400mA
40mA
Line Transient Response
(40mA to 400mA; V
IN
= 3.6V; V
OUT
= 1.8V;
C
1
= 4.7μF; C
FF
= 100pF)
O
(
L
(
Time (25μs/div)
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
40 mA
400 mA
No-Load Quiescent Current
vs. Input Voltage
Input Voltage (V)
S
120
130
140
150
160
170
180
190
200
210
220
2.5
3.0
3.5
4.0
4.5
5.0
5.5
85
°
C
-40
°
C
25
°
C
AAT1147
High Efficiency, Low Noise, Fast Transient
400mA Step-Down Converter
1147.2006.05.1.0
7
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AAT1147IJS-0.6-DB1 | 制造商:Skyworks Solutions Inc 功能描述:Evaluation Board for AAT1147 High Efficiency Step-Down Converter |
| AAT1147IJS-0.6-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:High Efficiency, Low Noise, Fast Transient 400mA Step-Down Converter |
| AAT1149 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:3MHz Fast Transient 400mA Step-Down Converter |
| AAT1149_08 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:3MHz Fast Transient 400mA Step-Down Converter |
| AAT1149A | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:2.2MHz Fast Transient 400mA Step-Down Converter |
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