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AAT2807AIXN-4.5-T1
 型号:  AAT2807AIXN-4.5-T1
 标记/丝印/代码/打字:  NW
 厂家:  ANALOGIC
 封装:  TDFN44-16
 批号:  04+07nopb845
 库存数量:  1716
 所属分类:  电源管理ICPower Management IC/PMIC
  LED驱动LED Driver
 技术文档PDF:  在线阅读
   
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AAT2807AIXN-4.5-T1 NW 的参数

恒流 Constant Current
恒压 Constant Voltage
拓扑 Topology
输出数 Number of Outputs 2
内部驱动器 Internal Driver
初级类型 Type - Primary 背光 Backlight
次级类型 Type - Secondary 白色 LED White LED
频率 Frequency 1MHz
电源电压 Voltage - Supply 2.7V ~ 5.5V
输出电压 Voltage - Output 4.5V
Description & Applications FEATURES ? Dual High Efficiency Charge Pump for White LED and Flash Applications ? VIN Range: 2.7V to 5.5V ? Dual Charge Pump to Support Backlight and Flash LEDs ? Backlight Charge Pump: ? Regulated Current ? Three Current Sink Inputs ? Brightness Control via Single GPIO ? Tri-Mode Charge Pump ? 20mA of Current Per Input Current Sink ? Flash Charge Pump: ? Regulated Output Voltage ? 300mA of Pulsed Current ? Independent Enable Pins ? Low Noise Constant Frequency Operation ? 1MHz Switching Frequency ? Automatic Soft Start ? No Inductors ? Available in DFN44-16 Package Applications ? Color (RGB) Lighting ? White LED Backlighting ? White LED Photo Flash
描述与应用 特点 ?双通道高效率电荷泵白光LED和Flash应用 ?VIN范围:2.7V至5.5V ?双电荷泵来支持背光和闪光LED灯 ?背光电荷泵: ?调节电流 ?三灌电流输入 ?通过单GPIO亮度控制 ?三模式电荷泵 20mA的电流每输入灌电流 ?闪存电荷泵: ?稳压输出电压 ?300mA的脉冲电流 ?独立的使能引脚 ?低噪声恒定频率操作 ?1MHz开关频率 ?自动软启动 ?无电感器 ?可在DFN44-16封装 应用 ?彩色(RGB)照明 ?白光LED背光 ?白光LED闪光灯
技术文档PDF下载 在线阅读

 

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