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AAT2845AIML-EE-T1 Constant Current LED Driver backlight 1MHz 2.7V ~ 5.5V 4.7V TQFN34-20 YEV Four-Channel Backlight Driver with Dual LDOs

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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
4
内部驱动器
Internal Driver
是 YES
初级类型
Type - Primary
背光 Backlight
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
4.7V
Description & ApplicationsFEATURES • Four-Channel Backlight Driver with Dual LDOs • Input Voltage Range: 2.7V to 5.5V • Four-Channel LED Driver: — Tri-Mode Charge Pump — Up to 20mA/Channel — Easy Control with Single Wire Interface — 16 Current Levels — Four Low Current Settings Down to 50µA — Low IQ (50µA) for Low Current Mode — >90% Peak Efficiency • Dual 200mA LDOs • Automatic Soft-Start • Over-Temperature Protection • Available in 3x4mm TQFN34-20 Package • -40°C to +85°C Temperature Range Applications • Camera Function Power Supplies • Camera Phone Displays • LCD Modules • White LED Backlighting
描述与应用特点 •四通道背光驱动器,带有双LDO •输入电压范围:2.7V至5.5V •四通道LED驱动器: - 三模式电荷泵 - 最多20mA/Channel - 易于控制单线接口 - 16个电流水平 - 四种低电流设置低至50μA - 低智商低电流模式(50μA) - >90%的峰值效率 •双200毫安的LDO •自动软启动 •过温保护 •可在3x4mm TQFN34-20包装 •-40°C至+85°C温度范围 应用 •相机功能电源 •相机手机显示 •液晶显示模块 •白光LED背光
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