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MIC2289-24YMLTR Constant Current LED Driver PWM，boost Backlight, Flash/Torch 1.05MHz ~ 1.35MHz 2.5V ~ 10V MLF22-08L
| 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 • White LED Driver Internal Schottky Diode and OVP • 2.5V to 10V input voltage • Output voltage up to 34V • Internal Schottky diode • 15V, 24V, 34V output OVP options • 1.2 MHz PWM operation • Over 500mA switch current • 95mV feedback voltage • <1% line and load regulation • <1µA shutdown current • Overtemperature protection • UVLO • 2mm × 2mm 8-pin MLF®package • –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 • LED flashlights • Constant current power supplies |
| 描述与应用 | 特点 •白光LED驱动器内部肖特基二极管和OVP •2.5V至10V的输入电压 •输出电压高达34V •内部肖特基二极管 •15V，24V，34V输出OVP选择 •1.2 MHz的PWM操作 •超过500mA的开关电流 •95mV的反馈电压 <1％的线路和负载调节 •<1μA的关机电流 •过热保护 •UVLO •2毫米×2毫米8引脚MLF®封装 •-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 •LED手电筒 •恒流电源 |
