AAT3123ITP-20-T1 恒流LED驱动电源IC 背光 1MHz 2.7V ~ 5.5V TSOPJW-12 IRG
| 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 | |
| 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 | |
| Description & Applications | FEATURES • High Efficiency 1X/1.5X Fractional Charge Pump for White LED Applications • VIN Range: 2.7V to 5.5V • Dual Mode 1X and 1.5X Charge Pump for Maximum Efficiency • Drives Low-VF and High-VF Type LEDs • Up to Six 20mA Outputs (AAT3124) • Up to Four 20mA Outputs (AAT3123/23A) • 32-Position Logarithmic Scale with Digital Control • Simple Serial Control (S2C wire) Interface • Low Noise Constant Frequency Operation • 1MHz Switching Frequency • Small Application Circuit • Regulated Output Current • Automatic Soft Start • No Inductors • IQ <1μA in Shutdown • Temperature Range: -40°C to +85°C • 12-Pin TSOPJW Package (AAT3123/23A) • 16-Pin 4x4mm QFN and 14-Pin TSOPJW Packages (AAT3124) Applications • Color (RGB) Lighting • Programmable Current Source • White LED Backlighting • White Photo Flash for DSCs |
| 描述与应用 | 特点 •高效率1X/1.5X分数电荷泵白光LED应用 •VIN范围：2.7V至5.5V •双模式1X和1.5X电荷泵的最大效率 •驱动低VF和高VF类型灯 •高达60020mA输出（AAT3124） •最多四个20mA输出（AAT3123/23A） •32位置数刻度与数字控制 •简易串行控制（S2C线）接口 •低噪声恒定频率操作 •1MHz开关频率 •小应用电路 •稳定的输出电流 •自动软启动 •无电感器 •IQ停机时<1uA •温度范围：-40°C至+85°C •12引脚TSOPJW包装（AAT3123/23A） •16引脚的4x4mm QFN和14引脚TSOPJW软件包 （AAT3124） 应用 •彩色（RGB）照明 •可编程电流源 •白光LED背光 •黑白照片数码相机的闪存 |
| 规格书PDF |
