參數資料
型號: AAT1145IDE-0.6-T1
廠商: Advanced Analogic Technologies, Inc.
英文描述: 1.2A Step-Down Converter
中文描述: 1.2A的降壓轉換器
文件頁數: 5/16頁
文件大小: 307K
代理商: AAT1145IDE-0.6-T1
AAT1145
1.2A Step-Down Converter
SwitchReg
TM
PRODUCT DATASHEET
1145.2007.11.1.1
5
w w w . a n a l o g i c t e c h . c o m
Typical Characteristics
Efficiency vs. Output Current
(V
OUT
= 3.3V; T
A
= 25
°
C; L = 2.2μH)
Output Current (mA)
E
0
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
10000
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
= 5.0V
Efficiency vs. Output Current
(V
OUT
= 1.8V; T
A
= 25
°
C; L = 2.2μH)
Output Current (mA)
E
0
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
10000
V
IN
= 2.5V
V
IN
= 3.6V
V
IN
= 5.0V
V
IN
= 4.2V
Efficiency vs. Output Current
(V
OUT
= 1.5V; T
A
= 25
°
C; L = 2.2μH)
Output Current (mA)
E
0.1
1
10
100
1000
10000
0
10
20
30
40
50
60
70
80
90
100
V
IN
= 4.2V
V
IN
= 5.0V
V
IN
= 3.6V
V
IN
= 2.5V
Efficiency vs. Output Current
(V
OUT
= 1.2V; T
A
= 25
°
C; L = 2.2μH)
Output Current (mA)
E
0
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
10000
V
IN
= 2.5V
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
= 5.0V
Output Voltage vs. Output Current
(V
OUT
= 3.3V; T
A
= 25
°
C; L = 2.2μH)
Output Current (mA)
O
3.200
3.220
3.240
3.260
3.280
3.300
3.320
3.340
3.360
3.380
3.400
0
200
400
600
800
1000
1200
V
IN
= 5.0V
V
IN
= 4.2V
V
IN
= 3.6V
Output Voltage vs. Output Current
(V
OUT
= 1.8V; T
A
= 25
°
C; L = 2.2μH)
Output Current (mA)
O
1.780
1.785
1.790
1.795
1.800
1.805
1.810
1.815
1.820
0
200
400
600
800
1000
1200
V
IN
= 5.0V
V
IN
= 4.2V
V
IN
= 2.5V V
IN
= 3.6V
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