參數資料
型號: AAT2120
廠商: Advanced Analogic Technologies, Inc.
英文描述: 500mA Low Noise Step-Down Converter
中文描述: 低噪聲500mA的降壓轉換器
文件頁數: 7/20頁
文件大小: 1145K
代理商: AAT2120
Typical Characteristics
Line Response
(V
OUT
= 1.8V @ 500mA)
Time (25μs/div)
O
I
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
V
O
V
IN
Load Transient Response
(350mA to 500mA; V
IN
= 3.6V; V
OUT
= 1.8V;
C
OUT
= 4.7μF; C
FF
= 100pF)
Time (25μs/div)
O
L
(
I
O
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
V
O
I
LX
Load Transient Response
(1mA to 500mA; V
IN
= 3.6V; V
OUT
= 1.8V;
C
OUT
= 4.7μF; C
FF
= 100pF)
Time (20μs/div)
O
L
(
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
V
O
I
O
I
LX
N-Channel R
DS(ON)
vs. Input Voltage
Input Voltage (V)
R
D
Ω
)
300
350
400
450
500
550
600
650
700
750
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
100°C
85°C
120°C
25°C
P-Channel R
DS(ON)
vs. Input Voltage
Input Voltage (V)
R
D
Ω
)
300
400
500
600
700
800
900
1000
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
100°C
85°C
120°C
25°C
2120.2007.10.1.1
7
AAT2120
500mA Low Noise Step-Down Converter
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