參數(shù)資料
型號(hào): AAT2158
廠商: Advanced Analogic Technologies, Inc.
英文描述: 1.5A Low Noise Step-Down Converter
中文描述: 1.5A的低噪聲降壓轉(zhuǎn)換器
文件頁(yè)數(shù): 7/18頁(yè)
文件大小: 684K
代理商: AAT2158
Typical Characteristics
Enable Soft Start
(V
IN
= 3.6V; V
OUT
= 1.8V; I
OUT
= 1.5A)
Time (100μs/div)
V
OUT
(1V/div)
EN
(2V/div)
I
IN
(500mA/div)
Heavy Load Switching Waveform
(V
IN
= 3.6V; V
OUT
= 1.8V; I
OUT
= 1.5A)
Time (500ns/div)
O
(
I
(
-12.0
-10.0
-8.0
-6.0
-4.0
-2.0
0.0
2.0
4.0
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
Line Transient Response
(V
OUT
= 1.8V; I
OUT
= 1.5A; C
FF
= 100pF)
Time (100μs/div)
I
(
O
(
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
-0.04
-0.02
0.00
0.02
0.04
0.06
0.08
0.10
0.12
Line Regulation
(V
OUT
= 1.8V; I
OUT
= 1A)
Input Voltage (V)
V
O
-0.40
-0.30
-0.20
-0.10
0.00
0.10
0.20
0.30
0.40
2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5
Load Transient Response
(V
OUT
= 1.8V)
Time (100μs/div)
O
(
O
(
-0.60
-0.50
-0.40
-0.30
-0.20
-0.10
0.00
0.10
0.20
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
Load Transient Response
(V
OUT
= 1.8V; C
FF
= 100pF)
Time (100μs/div)
O
(
O
(
-0.60
-0.50
-0.40
-0.30
-0.20
-0.10
0.00
0.10
0.20
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
AAT2158
1.5A Low Noise Step-Down Converter
2158.2007.10.1.1
7
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