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AAT2830IBK-T1 LED Driver PMIC backlight 2MHz 2.7V ~ 5.5V 4.5V TQFN44-24 SUV 800mA Total Display Solution for Portable Devices
| 恒流 Constant Current | |
| 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 | |
| 频率 Frequency | 2MHz |
| 电源电压 Voltage - Supply | 2.7V ~ 5.5V |
| 输出电压 Voltage - Output | 4.5V |
| Description & Applications | FEATURES • 800mA Total Display Solution for Portable Devices • Input Supply Voltage Range: 2.7V to 5.5V • Tri-Mode (1X/1.5X/2X) Charge Pump: — Delivers up to 800mA of Output Current — Switching Frequency: Up to 2MHz • Total Display Solution for RGB and Backlight Applications — 6-Channel Backlight WLED Backlight • User-Programmable Full-Scale Current,up to 30mA — 4-Channel Flash WLED Drive • User-Programmable Full-Scale Current,up to 150mA • Torch/Flashlight/Movie Mode Operation • Auto-/Safety Flash Timer — 3-Channel RGB • User-Programmable Full-Scale Output Current/Duty Cycle • AAT2830: 4096 Color/Intensity Combinations • AAT2831: 64 Color/Intensity Combinations • Single-Wire AS2Cwire Serial Interface for Configuration/Control — Fourteen Addressable Registers — Fast, 1MHz Serial Interface • True Load Disconnect in Shutdown, IIN < 1µA • Built-in Thermal Protection • Built-in Auto-Disable for Open LED Condition • Automatic Soft-Start Minimizes Inrush Current • Available in 4x4x0.75mm TQFN44-24 Package |
| 描述与应用 | 特点 •800mA的总显示解决方案，用于便携式设备 •输入电源电压范围：2.7V至5.5V •三模式的1x/1.5x/2x电荷泵： - 提供高达800mA的输出电流 - 开关频率高达2MHz •总显示RGB和背光应用解决方案 - 六通道背光WLED背光 •用户可编程的满量程电流高达30mA - 4通道闪存WLED驱动器 •用户可编程的满量程电流高达150mA •手电筒//电影模式操作 •Auto-/Safety闪光计时器 - 3通道RGB •用户可编程的满量程输出电流/占空比 AAT2830：4096颜色/亮度组合 AAT2831：64颜色/亮度组合 •单线AS2Cwire串行接口配置/控制 - 14个寻址寄存器 - 快速，1MHz串行接口 •真正的负载断开IIN<1μA关断， •内置热保护 •内置自动禁用LED开路条件 •自动软启动最大限度地减少浪涌电流 •4x4x0.75mm TQFN44-24包装 |
