产品数据表
AAT3172
电荷泵
TM
典型特征
V
IN
= 3.6V ,C
IN
= 4.7μF ,C
OUT
= 2.2μF ,C
1
= C
2
= 1μF ,T
A
= 25 ℃,除非另有说明。
高电流LED闪光灯驱动器电荷泵IC
负载特性
(V
IN
= 3.0V ; 1.5X模式; 50毫安/通道负载)
负载特性
(V
IN
= 3.6V ; 1.5X模式; 152毫安/通道负载)
V
IN
(100mV/div)
V
OUT
(200mV/div)
V
SINK
(200mV/div)
V
IN
(100mV/div)
V
OUT
(200mV/div)
V
SINK
(200mV/div)
2µs/div
2µs/div
负载特性
(V
IN
= 2.8V ; 2x模式; 152毫安/通道负载)
4.8
电压模式负载调整
输出电压(V)
V
IN
(100mV/div)
V
OUT
(200mV/div)
4.7
4.6
4.5
4.4
4.3
4.2
4.1
0
15
30
45
60
75
90
105
120
135
150
V
IN
= 4.2V
V
IN
= 3.7V
V
IN
= 3.3V
V
SINK
(200mV/div)
2µs/div
负载电流(mA )
电压模式线路调整
4.8
电压模式负载响应
(V
IN
= 3.7V)
输出电压(V)
4.7
4.6
4.5
4.4
4.3
4.2
4.1
3.0
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
4.0
4.1
4.2
I
OUT
= 10毫安
V
OUT
(100mV/div)
I
OUT
= 120毫安
I
OUT
= 80毫安
I
OUT
(100mA/div)
100mA
10mA
4.51V
I
OUT
= 30毫安
输入电压( V)
5ms/div
6
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3172.2008.04.1.6