參數(shù)資料
型號(hào): AAT1149IJS-0.6-T1
廠商: Advanced Analog Technology,lnc.
英文描述: 3MHz Fast Transient 400mA Step-Down Converter
中文描述: 3MHz的快速瞬態(tài)400mA的降壓轉(zhuǎn)換器
文件頁(yè)數(shù): 6/20頁(yè)
文件大小: 1800K
代理商: AAT1149IJS-0.6-T1
AAT1149
3MHz Fast Transient
400mA Step-Down Converter
6
1149.2006.11.1.0
Typical Characteristics
Line Transient
(V
OUT
= 1.8; 400mA Load; No Feedforward Capacitor)
Time (50μs/div)
I
O
2.50
2.75
3.00
3.25
3.50
3.75
4.00
4.25
4.50
1.74
1.76
1.78
1.80
1.82
1.84
1.86
1.88
1.90
Line Regulation
(V
OUT
= 1.1V)
Input Voltage (V)
A
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
2.5
3
3.5
4
4.5
5
5.5
6
1mA
0mA
600mA
400mA
Line Regulation
(V
OUT
= 1.8V)
Input Voltage (V)
A
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
2.5
3
3.5
4
4.5
5
5.5
6
400mA
600mA
0mA
100mA
Line Regulation
(V
OUT
= 3V)
Input Voltage (V)
A
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
2.5
3
3.5
4
4.5
5
5.5
0mA
400mA
100mA
1mA
600mA
300mA
Output Voltage Error vs. Temperature
(V
IN
= 3.6V; V
O
= 1.8V; I
OUT
= 400mA)
Temperature (
°
C)
O
-2.0
-1.0
0.0
1.0
2.0
-40
-20
0
20
40
60
80
100
Switching Frequency Variation vs. Temperature
Temperature (
°
C)
V
-10
-8
-6
-4
-2
0
2
4
6
8
10
-40
-20
0
20
40
60
80
100
120
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