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AAT3142ITP-T1 Constant Current LED Driver Backlight, Flash/Torch 1MHz 2.7V ~ 5.5V TSOPJW-12 PJG High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications

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Product description
恒流
Constant Current
是 YES
恒压
Constant Voltage
拓扑
Topology
输出数
Number of Outputs
3
内部驱动器
Internal Driver
初级类型
Type - Primary
背光,闪灯/白光 Backlight, Flash/Torch
次级类型
Type - Secondary
RGB 白色 LED RGB White LED
频率
Frequency
1MHz
电源电压
Voltage - Supply
2.7V ~ 5.5V
输出电压
Voltage - Output
Description & ApplicationsFEATURES • High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications • VIN Range: 2.7V to 5.5V • Tri-Mode 1X, 1.5X, and 2X Charge Pump for Maximum Efficiency and VF Coverage • Drives Low-VF and High-VF Type LEDs • Up to Three 30mA Outputs • 32-Position Logarithmic Scale with Digital Control • Low Noise Constant Frequency Operation • 1MHz Switching Frequency • Small Application Circuit • Regulated Output Current • Automatic Soft Start • No Inductors • IQ < 1µA in Shutdown • 12-Pin TSOPJW Package Applications • Color (RGB) Lighting • Programmable Current Sources • White LED Backlighting • White Photo Flash for Digital Still Cameras
描述与应用特点 •高效率1X/1.5X/2X电荷泵白光LED应用 •VIN范围:2.7V至5.5V •三模式1X,1.5X和2X电荷泵最高的效率和VF覆盖 •驱动低VF和高VF类型灯 •高达三30MA输出 •32位置数刻度与数字控制 •低噪声恒定频率操作 •1MHz开关频率 •小应用电路 •稳定的输出电流 •自动软启动 •无电感器 •IQ停机时<1uA •12引脚TSOPJW封装 应用 •彩色(RGB)照明 •可编程电流源 •白光LED背光 •黑白照片闪光灯数码相机
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