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MIC2287YD5TR Constant Current LED Driver PWM，boost Backlight, Flash/Torch 1.05MHz ~ 1.35MHz 2.5V ~ 10V SOT-153/SOT23-5 SGAA
| 恒流 Constant Current | 是 YES |
| 恒压 Constant Voltage | |
| 拓扑 Topology | PWM，升压（升压） PWM, Step-Up (Boost) |
| 输出数 Number of Outputs | 1 |
| 内部驱动器 Internal Driver | 是 YES |
| 初级类型 Type - Primary | 背光，闪灯/白光 Backlight, Flash/Torch |
| 次级类型 Type - Secondary | 白色 LED White LED |
| 频率 Frequency | 1.05MHz ~ 1.35MHz |
| 电源电压 Voltage - Supply | 2.5V ~ 10V |
| 输出电压 Voltage - Output | |
| Description & Applications | FEATURES • 1.2MHz PWM White LED Driver with OVP in 2mm × 2mm MLF™ and Thin SOT-23 • 2.5V to 10V input voltage • Output voltage up to 34V • Over 500mA switch current • 1.2 MHz PWM operation • 95mV feedback voltage • Output Overvoltage Protection (OVP) • Options for 15V, 24V, and 34V OVP • <1% line and load regulation • <1µA shutdown current • Over-temperature protection • UVLO • Low profile Thin SOT-23-5 package option • 8-lead 2mm × 2mm MLF™ package option • –40°C to +125°C junction temperature range Applications • White LED driver for backlighting: - Cell phones - PDAs - GPS systems - Digital cameras - MP3 players - IP phones • Photo flash LED driver • LED flashlights • Constant current power supplies |
| 描述与应用 | 特点 •1.2MHz的PWM OVP白光LED驱动器采用2mm x2mm MLF的™和薄型SOT-23 •2.5V至10V的输入电压 •输出电压高达34V •超过500mA的开关电流 •1.2 MHz的PWM操作 •95mV的反馈电压 •输出过压保护（OVP） •选项为15V，24V，34V OVP <1％的线路和负载调节 •<1μA的关机电流 •过温保护 •UVLO •薄型超薄SOT-23-5封装选项 •8引线2mm×2mm MLF的封装选项 •-40°C至+125°C的结温范围 应用 •白色背光LED驱动器： - 手机 - 掌上电脑 - GPS定位系统 - 数码相机 - MP3播放器 - IP电话 •照片闪光灯LED驱动器 •LED手电筒 •恒流电源 |
