• [ CXLE8858 ]

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目录

• 1.产品概述       2.产品特点     HFH嘉泰姆

• 3.应用范围       4.技术规格书下载（PDF文档）HFH嘉泰姆

• 5.产品封装       6.电路原理图  HFH嘉泰姆

• 7.相关产品HFH嘉泰姆

   产品概述 返回TOPHFH嘉泰姆

The CXLE8858 is a step-up converter designed for driving up to 7 series white LEDs from a single cell Lithium lon batleU The CXLE8858 uses current mode， fixed frequency architecture to regulate an LED FXUUHQW ，Zhich is measured through an external current sense resistor. Its low 200mV feedback voltage reduces power loss and improves efficiency The CXLE8858 includes under-voltage lockout， current limiting and thermal overload protection preventing damage in the event of an output overload. Optimized operation frequency can meet the requirement of small LC filters value and lRZ operation current with high efficiency. Internal soft start function can reduce the inrush currenW. Tiny package type provide the best solution for PCB space saving and total BOM coVW

   产品特点 返回TOPHFH嘉泰姆

 High Efficiency: Up to 90% HFH嘉泰姆

 1.2MHz Constant Frequency Operation HFH嘉泰姆

 Integrated internal Power MOSFET HFH嘉泰姆

 Drives up to 7 Series WLEDs HFH嘉泰姆

 Low 200mV Feedback Voltage HFH嘉泰姆

 Soft-start/Dimming with wide Frequency Range HFH嘉泰姆

 UVLO, Thermal Shutdown HFH嘉泰姆

 Internal Current limit HFH嘉泰姆

 Over Voltage Protection HFH嘉泰姆

 Small LC Filter HFH嘉泰姆

 Minimize the External Component HFH嘉泰姆

<1μA Shutdown Current HFH嘉泰姆

 SOT23-6 PackageHFH嘉泰姆

   应用范围 返回TOPHFH嘉泰姆

 Camera Flash White LED HFH嘉泰姆

 Mobile Phone, Smart Phone LED Backlight HFH嘉泰姆

 PDA LED Backlight HFH嘉泰姆

 Digital Still Cameras HFH嘉泰姆

 CamcorderHFH嘉泰姆

   技术规格书（产品PDF) 返回TOP HFH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！HFH嘉泰姆

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产品封装图 返回TOPHFH嘉泰姆

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电路原理图 返回TOPHFH嘉泰姆

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◀ 上一篇:CXLE8857B输入电压0.8~5.5V可调恒定电流和限定电流两种模式驱动白光LED而设计的升压型DC变换器单节或双节干电池驱动单颗大功率白光LED驱动WLED串联连接 的方法可以提供相等的WLED电流

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下一篇▶:CXLE8858B高效的升压转换器内部集成22V功率MOSEFT驱动2A的输出电流脉宽调制亮度控制通过EN-pin集成的真正的PWM减小特性使我们能够进一步对输出电压进行数字编程

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