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AAT3164IRN-T1 LED Driver PMIC Backlight, Flash/Torch 1MHz 2.7V ~ 5.5V TDFN34-16 QBV High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications
| 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，闪灯/白光 Backlight, Flash/Torch |
| 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 | |
| Description & Applications | FEATURES • High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications • VIN Range: 2.7V to 5.5V • Tri-Mode (1X/1.5X/2X) Charge Pump Operation — Maximizes Efficiency and LED VF Coverage — 1MHz Constant Switching Frequency — No Inductors, Low Noise Operation • Drives Six Channels of LEDs up to 30mA/ Channel — User-Programmable RSET Sets Maximum LED Current — Excellent LED Channel-to-Channel Current Match • Digitally Programmable LED Current with Single-Wire S2C wire Interface — 16 Current Levels From ILED_MAX to 50µA • Low IQ (70µA) for Low Current Mode Operation • True Load Disconnect in Shutdown; IQ < 1µA • Built-In Thermal Protection • Built-In Auto-Disable for Open LED Circuit • Automatic Soft-Start Minimizes Inrush Startup Current • Small 3x4mm TDFN34-16 Package Applications • Color (RGB) Lighting • Programmable Current Sinks • White LED Backlighting • White Photo Flash for Digital Still Cameras |
| 描述与应用 | 特点 •高效率1X/1.5X/2X电荷泵白光LED应用 •VIN范围：2.7V至5.5V •三模式的1x/1.5x/2x电荷泵的工作原理 - 最大限度地提高效率和LED的VF覆盖 - 1MHz恒定开关频率 - 无需电感，运行噪音低 •驱动6个通道的LED至30mA/通道 - 用户可编程RSET集最大LED电流 - 优异的LED通道对通道电流匹配 •数字可编程LED电流与S2C单线线接口 - 16电流水平从ILED_MAX到50μA •低IQ（70μA）低电流模式操作 •真正的负载断开关机; IQ<1μA •内置热保护 •内置LED开路电路自动关闭 •自动软启动最小化浪涌启动电流 •小型3x4mm TDFN34-16包装 应用 •彩色（RGB）照明 •可编程电流源 •白光LED背光 •黑白照片闪光灯数码相机 |
