1.2MHz,3V-24V Input High Efficiency Boost White LED Driver CXLE8858 is a step-up converter designed for driving up to 7 series white LEDs from a single cell Lithium lon batleU.

   产品概述 返回TOPgE6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TOPgE6嘉泰姆

 High Efficiency: Up to 90% gE6嘉泰姆

 1.2MHz Constant Frequency Operation gE6嘉泰姆

 Integrated internal Power MOSFET gE6嘉泰姆

 Drives up to 7 Series WLEDs gE6嘉泰姆

 Low 200mV Feedback Voltage gE6嘉泰姆

 Soft-start/Dimming with wide Frequency Range gE6嘉泰姆

 UVLO, Thermal Shutdown gE6嘉泰姆

 Internal Current limit gE6嘉泰姆

 Over Voltage Protection gE6嘉泰姆

 Small LC Filter gE6嘉泰姆

 Minimize the External Component gE6嘉泰姆

 <1μA Shutdown Current gE6嘉泰姆

 SOT23-6 PackagegE6嘉泰姆

   应用范围 返回TOPgE6嘉泰姆

 Camera Flash White LED gE6嘉泰姆

 Mobile Phone, Smart Phone LED Backlight gE6嘉泰姆

 PDA LED Backlight gE6嘉泰姆

 Digital Still Cameras gE6嘉泰姆

 CamcordergE6嘉泰姆

   技术规格书（产品PDF) 返回TOP gE6嘉泰姆

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