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1.5A , 1.4MHz的降压转换器
典型特征
EF网络效率与输出电流
( PFM模式; V
OUT
= 3.3V)
100
90
AAT1112
负载调整率
( PFM模式; V
OUT
= 3.3V)
0.50
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
= 5.0V
V
OUT
误差( % )
效率(%)
0.25
V
IN
= 3.6V
V
IN
= 4.2V
80
70
60
50
40
0.1
0.00
-0.25
V
IN
= 5.0V
1
10
100
1000
10000
-0.50
0.1
1
10
100
1000
10000
输出电流(mA )
输出电流(mA )
EF网络效率与输出电流
( PWM模式; V
OUT
= 3.3V)
100
0.50
负载调整率
( PWM模式; V
OUT
= 3.3V)
V
IN
= 3.6V
80
效率(%)
60
40
20
0
1.0
V
IN
= 5.0V
V
IN
= 4.2V
V
OUT
误差( % )
0.25
V
IN
= 3.6V
V
IN
= 5.0V
0.00
V
IN
= 4.2V
-0.25
10
100
1000
10000
-0.50
0.1
1
10
100
1000
10000
输出电流(mA )
输出电流(mA )
EF网络效率与输出电流
( PFM模式; V
OUT
= 2.5V)
100
90
负载调整率
( PFM模式; V
OUT
= 2.5V)
0.50
V
IN
= 2.7V
V
OUT
误差( % )
效率(%)
0.25
V
IN
= 2.7V
V
IN
= 3.6V
80
70
60
50
V
IN
= 3.6V
V
IN
= 4.2V
0.00
-0.25
V
IN
= 4.2V
0.1
1
10
100
1000
10000
-0.50
0.1
1
10
100
1000
10000
输出电流(mA )
输出电流(mA )
1112.2007.01.1.1
5