參數(shù)資料
型號: AAT1143IJS-1.5-T1
廠商: Advanced Analogic Technologies, Inc.
英文描述: GT 2C 2#4 SKT RECP WALL
中文描述: 1MHz的400mA的降壓轉(zhuǎn)換器
文件頁數(shù): 7/20頁
文件大小: 594K
代理商: AAT1143IJS-1.5-T1
Typical Characteristics
Output Ripple
(V
IN
= 3.6V; V
OUT
= 1.8V; 400mA)
O
(
Time (250ns/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
Soft Start
(V
IN
= 3.6V; V
OUT
= 1.8V; 400mA)
E
(
250
μ
s/div
-4.0
-3.0
-2.0
-1.0
0.0
1.0
2.0
3.0
4.0
-0.5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
Line Regulation
(V
OUT
= 1.8V)
Input Voltage (V)
A
-0.35
-0.3
-0.25
-0.2
-0.15
-0.1
-0.05
0
0.05
0.1
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
I
OUT
= 400mA
I
OUT
= 100mA
I
OUT
= 10mA
Line Transient
(V
OUT
= 1.8V @ 400mA)
O
(
I
(
Time (25
μ
s/div)
1.50
1.55
1.60
1.65
1.70
1.75
1.80
1.85
1.90
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
Load Transient Response
(30mA - 300mA; V
IN
= 3.6V; V
OUT
= 1.8V; C1 = 4.7
μ
F)
O
(
L
(
Time (25
μ
s/div)
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-0.2
300mA
30mA
AAT1143
1MHz 400mA Step-Down Converter
1143.2005.09.1.7
7
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