• [ CXLE8289 ]"

产品订购

目录

1.产品概述       2.产品特点     Ijh嘉泰姆

3.应用范围       4.技术规格书下载（PDF文档）Ijh嘉泰姆

5.产品封装       6.电路原理图  Ijh嘉泰姆

7.相关产品Ijh嘉泰姆

   产品概述 返回TOPIjh嘉泰姆

     The CXLE8289 is a step-down constant current LED driver. When the input voltage down to lower than LED forward voltage, then CXLE8289 run into LDO mode.The CXLE8289 supports a range of input voltages from 2.5V to 6.0V,allowing the use of a single Li+/Li-polymer cell, 3AA or 4AA cell, USB,and other standard power sources.The FB voltage is only 0.1V to achieve high efficiency.CXLE8289 employ internal power switch and synchronous rectifier to minimize external part count and realize high efficiency.During shutdown, the input is disconnected from the output and the shutdown current is less than 1μA. Other key features include under voltage lockout to prevent deep battery discharge of the Li+ battery. 

 CXLE8289是一款高效率1A降压1-5W白光LED驱动器。当输入电压下降到LED的正向电压，CXLE8289运行到LDO模式.CXLE8289支持从2.5V-6.0V输入电压范围内,让单节锂离子电池,3AA或4AA电池,USB和其他标准电源使用.实现高效率FB电压只有0.1V.

产品特点 返回TOPIjh嘉泰姆

• Efficiency up to 93%Ijh嘉泰姆

• 180μA(typ) Quiescent CurrentIjh嘉泰姆

• Output Current: Up to 1AIjh嘉泰姆

• Internal Synchronous RectifierIjh嘉泰姆

• 1.5MHz Switching FrequencyIjh嘉泰姆

• Soft-StartIjh嘉泰姆

• Under-Voltage LockoutIjh嘉泰姆

• Short LED ProtectionIjh嘉泰姆

• Open LED ProtectionIjh嘉泰姆

• Thermal ShutdownIjh嘉泰姆

• 5-Pin Small TSOT25 PackagesIjh嘉泰姆

• Pb-Free PackageIjh嘉泰姆

   应用范围 返回TOPIjh嘉泰姆

• 3AA or 4AA Batteries Powered FlashlightIjh嘉泰姆

• 1 Cell Li-Ion Battery Powered FlashlightIjh嘉泰姆

   技术规格书（产品PDF) 返回TOP Ijh嘉泰姆

     需要详细的PDF规格书请扫一扫微信联系我们，还可以获得免费样品以及技术支持！Ijh嘉泰姆

 Ijh嘉泰姆

产品封装图 返回TOPIjh嘉泰姆

Ijh嘉泰姆

电路原理图 返回TOPIjh嘉泰姆

 Ijh嘉泰姆

相关芯片选择指南 返回TOP            更多同类产品。。。。。

◀ 上一篇:CXLE8288轻触开关控制功能切换的LED功能驱动芯片直接驱动1-5WLED三节干电池或一节锂电可以驱动1-5W的LED轻触开关控制LED不同功能变化长按开关3S则切换到SOS 模式

返回顶部

下一篇▶:CXLE8290单级高功率因数原边控制交流转直流LED驱动芯片功率因数校正PFC功能60W的驱动能力每周期峰值电流控制可调节恒流输出电流及输出功率软启动功能