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MIC2291-34YMLTR LED Driver PMIC PWM，boost Flash/Torch 1.05MHz ~ 1.35MHz 2.5V ~ 10V 22D-08L STC

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Product description
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 & ApplicationsFEATURES • 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
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