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AAT2511_0605 参数 Datasheet PDF下载

AAT2511_0605图片预览
型号: AAT2511_0605
PDF下载: 下载PDF文件 查看货源
内容描述: 两个600mA , 1MHz的降压型DC / DC转换器 [Dual 600mA, 1MHz Step-Down DC/DC Converter]
分类和应用: 转换器
文件页数/大小: 20 页 / 587 K
品牌: ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
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Dual 600mA, 1MHz Step-Down DC/DC Converter
Typical Channel Characteristics
Load Transient Response
(30mA - 300mA; V
IN
= 3.6V; V
OUT
= 1.5V; C1 = 22μF)
μ
1.65
1.60
1.55
1.50
1.45
1.40
1.35
1.30
1.25
1.20
1.15
1.10
1.05
1.00
AAT2511
(30mA - 300mA; V
IN
= 3.6V; V
OUT
= 2.5V; C1 = 22μF)
μ
2.65
2.55
Load Transient Response
Load and Inductor Current
(200mA/div) (bottom)
Load and Inductor Current
(200mA/div) (bottom)
1.5
1.3
300mA
30mA
1.1
0.9
0.7
0.5
0.3
0.1
-0.1
1.5
1.3
300mA
30mA
1.1
0.9
0.7
0.5
0.3
0.1
-0.1
Output Voltage
(top) (V)
Output Voltage
(top) (V)
2.45
2.35
2.25
2.15
2.05
Time (25μs/div)
Time (25μs/div)
Line Transient
(V
OUT
= 2.5V @ 500mA)
2.60
2.55
2.50
2.45
2.40
2.35
2.30
2.25
2.20
2.15
7.0
6.5
2
1.5
Line Regulation
(V
OUT
= 1.5V)
Output Voltage
(top) (V)
Accuracy (%)
6.0
5.5
5.0
4.5
4.0
3.5
3.0
Input Voltage
(bottom) (V)
1
0.5
0
-0.5
-1
2.5
3
I
OUT
= 600mA
I
OUT
= 100mA
I
OUT
= 10mA
Time (25μs/div)
μ
3.5
4
4.5
5
5.5
6
Input Voltage (V)
Output Ripple
(V
IN
= 3.6V; V
OUT
= 1.8V; 400mA)
(V
IN
= 3.6V; V
OUT
= 1.5V; L = 4.7μH)
μ
Soft Start
Output Voltage (AC Coupled)
(top) (mV)
20
0
-20
-40
-60
-80
-100
-120
0.8
Enable and Output Voltage
(top) (V)
40
0.9
4.0
3.0
2.0
1.0
0.0
-1.0
-2.0
-3.0
-4.0
3.5
3.0
Inductor Current
(bottom) (A)
Inductor Current
(bottom) (A)
0.7
0.6
0.5
0.4
0.3
0.2
0.1
2.5
2.0
1.5
1.0
0.5
0.0
-0.5
Time (250ns/div)
Time (50μs/div)
2511.2006.05.1.4
7