AAT3132AITP-1-T1 LED驱动电源IC 背光,闪灯/白光 1MHz 2.7V ~ 5.5V TSOPJW-12 OJG 低噪声/稳定输出电流/无电感器
恒流Constant Current | |
恒压Constant Voltage | |
拓扑Topology | |
输出数Number of Outputs | |
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 1.5X Fractional Charge Pump for White LED Applications • VIN Range: 2.7V to 5.5V • <1.0µA of Shutdown Current • 1MHz Switching Frequency • White LED Backlighting • Fully Independent Display Lighting • Drives Low-VF and High-VF Type LEDs • Up to Three 20mA Outputs • Single 25mA Output (AAT3132-1) • Single 30mA Output (AAT3132/32A) • Multi-Position Logarithmic Scale with Digital Control • Low Noise Constant Frequency Operation • Regulated Output Current • Automatic Soft Start • No Inductors • -40°C to +85°C Temperature Range • 12-Pin TSOPJW Package Applications • Color (RGB) Lighting • Programmable Current Source • White LED Backlighting • White Photo Flash for Digital Still Cameras |
描述与应用 | 特点 •高效率1.5X分数电荷泵白光LED应用 •VIN范围:2.7V至5.5V •<1.0μA的关断电流 •1MHz开关频率 •白光LED背光 •完全独立的显示照明 •驱动低VF和高VF类型灯 •高达20mA的输出 •单25mA输出(AAT3132-1) •单30mA输出(AAT3132/32A) •多工位对数刻度与数字控制 •低噪声恒定频率操作 •稳定的输出电流 •自动软启动 •无电感器 •-40°C至+85°C温度范围 •12引脚TSOPJW封装 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 |
规格书PDF |