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AAT2807AIXN-4.5-T1 LED Driver PMIC backlight 1MHz 2.7V ~ 5.5V 4.5V TDFN44-16 NW Dual High Efficiency Charge Pump for White LED and Flash Applications
| 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 |
