产品数据表
AAT1
153
2A降压转换器
典型特征
EF网络效率与输出电流
(V
OUT
= 3.3V ，T
A
= 25 ° C，L = 2.2μH ，C
IN
= C
OUT
= 22µF)
100
90
80
DC调节
(V
OUT
= 3.3V ，T
A
= 25 ° C，L = 2.2μH ，C
IN
= C
OUT
= 22µF)
3.399
V
IN
= 4.2V
输出电压（V）
V
IN
= 3.7V
V
IN
= 5.5V
V
IN
= 5.0V
3.366
3.333
3.300
3.267
3.234
3.201
效率（％）
70
60
50
40
30
20
10
0
0.1
V
IN
= 5.5V
V
IN
= 5.0V
V
IN
= 3.7V
V
IN
= 4.2V
1
10
100
1000
10000
0
200
400
600
800
1000 1200 1400 1600 1800 2000
输出电流（mA ）
输出电流（mA ）
EF网络效率与输出电流
(V
OUT
= 1.8V ，T
A
= 25 ° C，L = 2.2μH ，C
IN
= C
OUT
= 22µF)
100
90
80
1.854
DC调节
(V
OUT
= 1.8V ，T
A
= 25 ° C，L = 2.2μH ，C
IN
= C
OUT
= 22µF)
70
60
50
40
30
20
10
输出电压（V）
效率（％）
V
IN
= 4.2V
V
IN
= 3.6V
V
IN
= 2.5V
V
IN
= 5.0V
V
IN
= 5.5V
1.836
1.818
1.800
1.782
1.764
1.746
V
IN
= 4.2V
V
IN
= 5.0V
V
IN
= 5.5V
V
IN
= 3.6V
V
IN
= 2.5V
0
0.1
1
10
100
1000
10000
0
200
400
600
800
1000 1200 1400 1600 1800 2000
输出电流（mA ）
输出电流（mA ）
EF网络效率与输出电流
(V
OUT
= 1.5V ，T
A
= 25 ° C，L = 2.2μH ，C
IN
= C
OUT
= 22µF)
100
90
80
1.545
DC调节
(V
OUT
= 1.5V ，T
A
= 25 ° C，L = 2.2μH ，C
IN
= C
OUT
= 22µF)
效率（％）
70
60
50
40
30
20
10
V
IN
= 3.6V
V
IN
= 2.5V
V
IN
= 5.5V
V
IN
= 5.0V
输出电压（V）
V
IN
= 4.2V
1.530
1.515
1.500
1.485
1.470
1.455
V
IN
= 4.2V
V
IN
= 5.0V
V
IN
= 5.5V
V
IN
= 3.6V
V
IN
= 2.5V
0
0.1
1
10
100
1000
10000
0
200
400
600
800
1000 1200 1400 1600 1800 2000
输出电流（mA ）
输出电流（mA ）
1153.2007.11.1.1
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