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AAT2842_07 参数 Datasheet PDF下载

AAT2842_07图片预览
型号: AAT2842_07
PDF下载: 下载PDF文件 查看货源
内容描述: 大电流电荷泵, S2Cwire⑩控制和双LDO用于背光和闪光 [High-Current Charge Pump with S2Cwire⑩ Control and Dual LDO for Backlight and Flash]
分类和应用:
文件页数/大小: 22 页 / 621 K
品牌: ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
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AAT2842
High-Current Charge Pump with S
2
Cwire™
Control and Dual LDO for Backlight and Flash
Typical Characteristics
V
IN
= 3.6V; C
IN
= 4.7µF; C
OUT
= 2.2µF; C
1
= C
2
= 1.0µF; R
BSET
= R
FSET
= 280kΩ; T
A
= -40°C to +85°C, unless
otherwise noted. Typical values are at T
A
= 25°C.
LDOs A and B Load Regulation
Output Voltage Accuracy (%)
1.00
LDOs A and B Line Transient Response
(10mA Load)
0.50
OUTA
0.00
V
IN
(400mV/div)
V
IN
= 4.2V
V
IN
= 3.7V
-0.50
OUTB
V
OUT
(10mV/div)
1000
-1.00
0.1
1
10
100
Load Current (mA)
Time (40µs/div)
LDOs A and B Load Transient Response
(10mA to 200mA Load Step)
I
OUT
(100mA/div)
I
OUT
= 200mA
V
OUT
(100mV/div)
Time (20µs/div)
2842.2007.09.1.2
9