• [ CXLE8858 ]

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目录

• 1.产品概述       2.产品特点     mYz嘉泰姆

• 3.应用范围       4.技术规格书下载（PDF文档）mYz嘉泰姆

• 5.产品封装       6.电路原理图  mYz嘉泰姆

• 7.相关产品mYz嘉泰姆

   产品概述 返回TOPmYz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TOPmYz嘉泰姆

 High Efficiency: Up to 90% mYz嘉泰姆

 1.2MHz Constant Frequency Operation mYz嘉泰姆

 Integrated internal Power MOSFET mYz嘉泰姆

 Drives up to 7 Series WLEDs mYz嘉泰姆

 Low 200mV Feedback Voltage mYz嘉泰姆

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

 UVLO, Thermal Shutdown mYz嘉泰姆

 Internal Current limit mYz嘉泰姆

 Over Voltage Protection mYz嘉泰姆

 Small LC Filter mYz嘉泰姆

 Minimize the External Component mYz嘉泰姆

<1μA Shutdown Current mYz嘉泰姆

 SOT23-6 PackagemYz嘉泰姆

   应用范围 返回TOPmYz嘉泰姆

 Camera Flash White LED mYz嘉泰姆

 Mobile Phone, Smart Phone LED Backlight mYz嘉泰姆

 PDA LED Backlight mYz嘉泰姆

 Digital Still Cameras mYz嘉泰姆

 CamcordermYz嘉泰姆

   技术规格书（产品PDF) 返回TOP mYz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！mYz嘉泰姆

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产品封装图 返回TOPmYz嘉泰姆

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电路原理图 返回TOPmYz嘉泰姆

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◀ 上一篇:CXLE87100可调节输出电流的升压型DC-DC稳压器1.0MHz恒定的开关频率两节碱性电池驱动高达1A负载电流LED电流通过外部电流检测电阻来编程Rs连接在反馈引脚FB和地之间

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下一篇▶:CXLE8802白光LED驱动恒流DC/DC转换器内部MOSFET支持10个白光LED背光和OLED电源的应用内部软启动功能通过外部电流检测电阻来调节LED电流宽范围PWM调光

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