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型号： |
AAT1236IRN-T1 |
| 标记/丝印/代码/打字： |
UDV |
| 厂家： |
ANALOGIC |
| 封装： |
TDFN34-16 |
| 批号： |
06NOPB(30RM) |
| 库存数量： |
48280 |
| 所属分类： |
电源管理ICPower Management IC/PMIC
LED驱动LED Driver |
| 技术文档PDF： |
在线阅读  |
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AAT1236IRN-T1 UDV 的参数 |
| 恒流
Constant Current |
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| 恒压
Constant Voltage |
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| 拓扑
Topology |
PWM，升压（升压） PWM, Step-Up (Boost) |
| 输出数
Number of Outputs |
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| 内部驱动器
Internal Driver |
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| 初级类型
Type - Primary |
背光 Backlight |
| 次级类型
Type - Secondary |
白色 LED White LED |
| 频率
Frequency |
400KHz |
| 电源电压
Voltage - Supply |
2.7V ~ 5.5V |
| 输出电压
Voltage - Output |
24V |
| Description & Applications |
FEATURES ? High Efficiency White LED Drivers for Backlight and Keypad ? Input Supply Voltage Range: 2.7V to 5.5V ? Maximum Boost Output Drive: Up to 24V at 100mA ? Up to 85% Efficient Operation ? Up to 2MHz Switching Frequency with Small Inductor ? User-Programmable Full-Scale LED Current,Up to 30mA ? Two-Wire, I2C Compliant Serial Interface — Two Addressable Registers ? Independent LED Current Control by Group — Backlight Group B1-B2, 16 Settings — Auxiliary Group A1-A3, 16 Settings ? Independent LED ON/OFF Control — Fast, 400kHz Serial Transfer Rate ? Non-Pulsating, High-Performance LED Current Drive for Uniform Illumination — 10% Absolute Accuracy — 2% Channel-to-Channel Matching ? Over-Voltage and Over-Temperature Protection ? Automatic Soft-Start Minimizes Large Inrush Current at Startup ? Available in 3x4mm TDFN34-16 Package Applications ? Digital Still Cameras (DSCs) ? Keypad Backlight ? Large Panel Displays ? Mobile Handsets ? PDAs and Notebook PCs ? Personal Media Players ? White LED Backlight |
| 描述与应用 |
特点 ?高效率白光LED驱动器背光和键盘 ?输入电源电压范围：2.7V至5.5V ?最大升压输出驱动高达24V100mA时 ?高达85％的高效运行 ?高达2MHz的开关频率与小型电感器 ?用户可编程的满量程LED电流高达30mA ?两线I2C兼容的串行接口 - 两个寻址寄存器 ?独立的LED电流控制集团 - 背光集团B1，B2，16种设置 - 辅助组A1-A3，16的设置 ?独立的LED ON / OFF控制 - 快速，400kHz的串行的传输速率 ?非脉动，高性能的LED电流驱动器用于均匀照明 - 10％的绝对精度 - 2％的通道至通道匹配 ?过电压和过温保护 ?自动软启动降低大浪涌电流启动 ?可在3x4mm TDFN34-16包装 应用 ?数码相机（DSC） ?键盘背光 ?大型显示器 ?移动手机 ?PDA和笔记本电脑 ?个人媒体播放器 ?白光LED背光 |
| 技术文档PDF下载 |
在线阅读 |
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