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  • Model：AAT2846INJ-EE-T1
  • Manufacturer：HUABAN
  • Date Code：07NOPB
  • Standard Package：1500
  • Min Order：10
  • Mark/silk print/code/type：UPV
  • Package：TQFN44-28

恒流
Constant Current
恒压
Constant Voltage
拓扑
Topology
输出数
Number of Outputs		6
内部驱动器
Internal Driver
初级类型
Type - Primary		背光 Backlight
次级类型
Type - Secondary		闪光 LED Flash LED
频率
Frequency		2MHz
电源电压
Voltage - Supply		2.7V ~ 5.5V
输出电压
Voltage - Output		1.2V ~ 5.5V
Description & ApplicationsFEATURES • High Current Charge Pump with Dual LDO for Backlight and Flash Applications • Input Voltage Range: 2.7V to 5.5V • Tri-Mode Charge Pump: ▪ Drives up to Six Backlight LEDs and Two Flash LEDs ▪ 32 Programmable Backlight Current Settings Ranging from 95µA to 30mA ▪ 16 Programmable Flash Current Settings ▪ Maximum Flash LED Current Programmable using External Resistor ▪ 2MHz Switching Frequency • Two Linear Regulators: ▪ 200mA Output Current ▪ 200mV Dropout Voltage ▪ Output Voltage Adjustable from 1.2V to VBATTERY ▪ Output Auto-Discharge for Fast Shutdown ▪ Individual LDO Enable Inputs • Built-In Thermal Protection • Automatic Soft Start • -40°C to +85°C Temperature Range • TQFN44-28 Package Applications • Camera-Enabled Mobile Devices • Digital Still Cameras • Multimedia Mobile Phones
描述与应用特点 •高电流电荷泵背光和闪光应用的双路LDO •输入电压范围：2.7V至5.5V •三模式电荷泵： ▪驱动多达6个背光LED和两个闪光LED ▪32个可编程背光电流设置范围从95μA到30mA ▪16个可编程的闪光灯电流设置 ▪最大闪光LED电流可编程使用外部电阻 ▪2MHz的开关频率 •两个线性稳压器： ▪200mA输出电流 ▪200mV压差电压 ▪可调从1.2V到VBATTERY的输出电压 ▪输出自动放电快速关机 ▪个人LDO使能输入 •内置热保护 •自动软启动 •-40°C至+85°C温度范围 •TQFN44-28包装 应用 •相机功能的移动设备 •数码相机 •多媒体手机

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