參數(shù)資料
型號: AAT1123_07
廠商: Advanced Analog Technology,lnc.
英文描述: 1MHz Step-Down Converter
中文描述: 1MHz的降壓轉(zhuǎn)換器
文件頁數(shù): 7/20頁
文件大小: 568K
代理商: AAT1123_07
Typical Characteristics
Soft Start
(V
IN
= 3.6V; V
OUT
= 1.5V; L = 4.7
μ
H)
E
(
Time (50
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
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
Line Regulation
(V
OUT
= 1.5V)
Input Voltage (V)
A
-1
-0.5
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
6
I
OUT
= 600mA
I
OUT
= 100mA
I
OUT
= 10mA
Line Transient
(V
OUT
= 2.5V @ 500mA)
O
(
I
(
Time (25
μ
s/div)
2.15
2.20
2.25
2.30
2.35
2.40
2.45
2.50
2.55
2.60
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
= 2.5V; C1 = 22
μ
F)
O
(
L
(
Time (25
μ
s/div)
2.05
2.15
2.25
2.35
2.45
2.55
2.65
-0.1
0.1
0.3
0.5
0.7
0.9
1.1
1.3
1.5
30mA
300mA
Load Transient Response
(30mA - 300mA; V
IN
= 3.6V; V
OUT
= 1.5V; C1 = 22
μ
F)
O
(
L
(
Time (25
μ
s/div)
1.00
1.05
1.10
1.15
1.20
1.25
1.30
1.35
1.40
1.45
1.50
1.55
1.60
1.65
-0.1
0.1
0.3
0.5
0.7
0.9
1.1
1.3
1.5
30mA
300mA
AAT1123
1MHz Step-Down Converter
1123.2007.02.1.6
7
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