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MIC2291BD5TR LED Driver PMIC PWM，boost Flash/Torch 1.05MHz ~ 1.35MHz 2.5V ~ 10V SOT-153/SOT23-5 SSAA
| 恒流 Constant Current | |
| 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 | 闪灯/白光 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 • 1.2A PWM Boost Regulator Photo Flash LED Driver • 2.5V to 10V input voltage • 1.2 A switch current • 1.2 MHz PWM operation • 95mV feedback voltage • Overvoltage protection (OVP) -options for 15V, 34V • <1% line and load regulation • 1µA shutdown current • Overtemperature protection • UVLO • 2mm × 2mm MLF® package option • –40°C to +125°C junction temperature range Applications • Photo flash LED Driver • Cell phones • PDAs • GPS systems • Digital cameras • IP phones • LED flashlights |
| 描述与应用 | 特点 •1.2A PWM升压稳压器照片闪光灯LED驱动器 •2.5V至10V的输入电压 •1.2 A开关电流 •1.2 MHz的PWM操作 •95mV的反馈电压 •过压保护（OVP）选项为15V，34V <1％的线路和负载调节 •1μA关断电流 •过热保护 •UVLO •2毫米×2毫米MLF®封装选项 •-40°C至+125°C的结温范围 应用 •照片闪光灯LED驱动器 •手机 •掌上电脑 •GPS系统 •数码相机 •IP电话 •LED手电筒 |
