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參數(shù)資料
| 型號： | AAT1157IVN-T1 |
| 廠商： | Advanced Analogic Technologies, Inc. |
| 英文描述： | 1MHz 1.2A Buck DC/DC Converter |
| 中文描述： | 1MHz的1.2A的降壓DC / DC轉(zhuǎn)換器 |
| 文件頁數(shù)： | 5/14頁 |
| 文件大?。?/td> | 394K |
| 代理商： | AAT1157IVN-T1 |
AAT1157
1MHz 1.2A Buck DC/DC Converter
1157.2005.11.1.4
5
Typical Characteristics
Frequency vs. Input Voltage
(V
OUT
= 1.8V)
Input Voltage (V)
F
1.2
1.22
1.24
1.26
1.28
1.3
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Output Voltage vs. Temperature
(V
IN
= 3.6V; V
OUT
= 2.5V; I
OUT
= 1.0A)
Temperature (
°
C)
O
-0.7
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0
0.1
-40
-20
0
20
40
60
80
100
N-Channel R
DSON
vs. Input Voltage
Input Voltage (V)
R
D
)
0
20
40
60
80
100
120
140
160
180
200
2.5
3
3.5
4
4.5
5
5.5
120
°
C
100
°
C
25
°
C
85
°
C
P-Channel R
DSON
vs. Input Voltage
Input Voltage (V)
R
D
)
0
20
40
60
80
100
120
140
160
180
200
2.5
3
4
3.5
4.5
5
5.5
120
°
C
100
°
C
25
°
C
85
°
C
DC Regulation
(V
OUT
= 2.5V)
Output Current (mA)
O
-4.0
-3.0
-2.0
-1.0
0.0
1.0
2.0
1
10
100
1000
10000
V
IN
= 3.0V
V
IN
= 3.3V
V
IN
= 3.6V
No Load Supply Current vs. Input Voltage
Input Voltage (V)
S
μ
A
0
50
100
150
200
250
300
2.5
3
4
3.5
4.5
5.5
5
-40
°
C
25
°
C
85
°
C
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