參數(shù)資料
型號: AAT1149
廠商: Advanced Analog Technology,lnc.
英文描述: 3MHz Fast Transient 400mA Step-Down Converter
中文描述: 3MHz的快速瞬態(tài)400mA的降壓轉(zhuǎn)換器
文件頁數(shù): 7/20頁
文件大小: 1800K
代理商: AAT1149
Typical Characteristics
Load Transient
(V
OUT
= 1.1V; C
FF
= 100pF)
Time (50μs/div)
L
(
O
0.50
0.60
0.70
0.80
0.90
1.00
1.10
1.20
1.30
0.00
0.25
0.50
0.75
1.00
1.25
1.50
1.75
2.00
1mA
400mA
Load Transient
(V
OUT
= 1.1V; No Feedforward Capacitor)
Time (50μs/div)
L
(
O
0.50
0.60
0.70
0.80
0.90
1.00
1.10
1.20
1.30
0.00
0.25
0.50
0.75
1.00
1.25
1.50
1.75
2.00
1mA
400mA
Line Transient
(V
OUT
= 1.8; C
FF
= 100pF)
Time (20μs/div)
I
O
1.78
1.79
1.80
1.81
1.82
1.83
1.84
1.85
1.86
2.50
2.75
3.00
3.25
3.50
3.75
4.00
4.25
4.50
Line Transient
(V
OUT
= 1.8; No Load; No Feedforward Capacitor)
Time (50μs/div)
I
O
2.50
2.75
3.00
3.25
3.50
3.75
4.00
4.25
4.50
1.78
1.80
1.82
1.84
1.86
1.88
1.90
1.92
1.94
P-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
25
°
C
120
°
C
100
°
C
85
°
C
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
25
°
C
120
°
C
100
°
C
85
°
C
AAT1149
3MHz Fast Transient
400mA Step-Down Converter
1149.2006.11.1.0
7
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相關代理商/技術參數(shù)
參數(shù)描述
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