1.20MHz,3V-24V Input High Efficiency Boost White LED Driver升压转换器,用于驱动多达7个系列的白色发光二极管,是由一个单细胞的锂离子电池CXLE8285采用电流模式固定频率的结构来调节LED电流这是通过一个外部电流检测电阻测量低电压200mV的反馈降低功率损耗和提高效率。

   产品概述 返回TOPEgE嘉泰姆

The CXLE8285 a step-up converter designed for driving up to 7 series white LEDs from a single cell Lithium Ion battery. The CXLE8285 uses current mode, fixed frequency architecture to regulate an LED current, which is measured through an external current sense resistor. Its low 200mV feedback voltage reduces power loss and improves efficiency.The CXLE8285 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 low operation current with high efficiency. Internal soft start function can reduce the inrush current. Tiny package type provide the best solution for PCB space saving and total BOM cost.

      CXLE8285是一个升压转换器,用于驱动多达7个系列的白色发光二极管,是由一个单细胞的锂离子电池。该CXLE8285采用电流模式，固定频率的结构来调节LED电流，这是通过一个外部电流检测电阻测量。低电压200mV的反馈，降低功率损耗和提高效率。</span>

   产品特点 返回TOPEgE嘉泰姆

High Efficiency: Up to 90%EgE嘉泰姆

1.20MHz Constant Frequency OperationEgE嘉泰姆

Integrated internal Power MOSFETEgE嘉泰姆

Drives up to 7 Series WLEDsEgE嘉泰姆

Low 200mV Feedback VoltageEgE嘉泰姆

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

UVLO, Thermal ShutdownEgE嘉泰姆

Internal Current limitEgE嘉泰姆

Over Voltage ProtectionEgE嘉泰姆

Small LC FilterEgE嘉泰姆

Minimize the External ComponentEgE嘉泰姆

<1μA Shutdown CurrentEgE嘉泰姆

SOT23-6 Package*效率：高达90%EgE嘉泰姆

* 1.2MHz的固定频率操作</p>

*内部集成功率MOSFETEgE嘉泰姆

*驱动多达7颗白光LEDEgE嘉泰姆

*低200mV的电压反馈</p>

*软启动、调光频率范围宽EgE嘉泰姆

*欠压保护，热关机EgE嘉泰姆

*内部电流限制EgE嘉泰姆

*过电压保护</p>

*小的LC滤波器</p>

*减少外部元件EgE嘉泰姆

*＜1μ关断电</p>

*SOT23 - 6封装EgE嘉泰姆

   应用范围 返回TOPEgE嘉泰姆

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Camera Flash White LEDEgE嘉泰姆

Mobile Phone, Smart Phone LED BacklightEgE嘉泰姆

PDA LEDEgE嘉泰姆

BacklightEgE嘉泰姆

Digital Still CamerasEgE嘉泰姆

CamcorderEgE嘉泰姆

*照相机闪光灯的白光LEDEgE嘉泰姆

*手机，智能手机LED背光EgE嘉泰姆

* PDA LED背光EgE嘉泰姆

*数码相机EgE嘉泰姆

*摄像机</span>EgE嘉泰姆

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