MIC3287YD5TR 恒流LED驱动电源IC PWM，升压 背光，闪灯/白光 1MHz ~ 1.4MHz 2.8V ~ 6.5V 36V SOT-153/SOT23-5 WGAA 热保护/无需OVP
| 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 | 1MHz ~ 1.4MHz |
| 电源电压Voltage - Supply | 2.8V ~ 6.5V |
| 输出电压Voltage - Output | 36V |
| Description & Applications | FEATURES • 1.2 MHz PWM white LED driver with OVP in thin SOT-23 and 2mm × 2mm MLF® • 2.8V to 6.5V input voltage • 350mA switch current • 1.2 MHz PWM operation • up to 36V output voltage without OVP • <1% line and load regulation • optional 24V output over-voltage protection (OVP) • <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 •1.2 MHz的PWM白光LED驱动器具有OVP在超薄SOT-23和2mm×2mm的MLF® •2.8V至6.5V的输入电压 •350毫安开关电流 •1.2 MHz的PWM操作 •高达36V的输出电压，而无需OVP <1％的线路和负载调节 •可选24V输出过电压保护（OVP） •<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 |
| 规格书PDF |
