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AAT3152 参数 Datasheet PDF下载

AAT3152图片预览
型号: AAT3152
PDF下载: 下载PDF文件 查看货源
内容描述: 高效率1X / 1.5X / 2X电荷泵白光LED应用 [High Efficiency 1X/1.5X/2X Charge Pump For White LED Applications]
分类和应用:
文件页数/大小: 10 页 / 123 K
品牌: ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
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AAT3152
High Efficiency 1X/1.5X/2X Charge Pump
For White LED Applications
Typical Characteristics
Efficiency vs. Supply Voltage
100
Turn On to 1X Mode
(V
IN
= 4.2V; 20mA Load)
10mA
90
20mA
Efficiency (%)
EN
(2V/div)
CP
(2V/div)
V
SINK
(500mV/div)
I
IN
(200mA/div)
80
70
60
50
2.8
3.0
3.2
3.4
3.6
3.8
4.0
4.2
Supply Voltage (V)
200µs/div
µ
Turn On to 1.5X Mode
(V
IN
= 3.5V; 20mA Load)
Turn On to 2X Mode
(V
IN
= 2.8V; 20mA Load)
EN
(2V/div)
CP
(2V/div)
V
SINK
(500mV/div)
I
IN
(200mA/div)
200µs/div
µ
EN
(2V/div)
CP
(2V/div)
V
SINK
(500mV/div)
I
IN
(200mA/div)
200µs/div
µ
Turn Off from 1.5X Mode
(V
IN
= 3.5V; 20mA Load)
EN
(2V/div)
V
F
(1V/div)
I
IN
(100mA/div)
200µs/div
µ
3152.2004.12.0.9
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