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首页 > Products > Led Driver > LED Backlight > White Light Backlight Driver >Cxle86111 is a high efficiency, step-down high brightness LED constant current driver chip. Three functions are integrated inside: full light, micro light and explosion flash
Cxle86111 is a high efficiency, step-down high brightness LED constant current driver chip. Three functions are integrated inside: full light, micro light and explosion flash

Cxle86111 is a high efficiency, step-down high brightness LED constant current driver chip. Three functions are integrated inside: full light, micro light and explosion flash. The mode switching among the three functions can be realized through the on-off of the power switch. No additional MCU or other control IC is required.
Cxle86111 adopts the peak current control mode with fixed off time, and its working frequency can reach up to 500KHz, which can reduce the volume of external inductance and filter capacitance, improve efficiency and save PCB area. The minimum turn off time is 620ns, which can be adjusted by the external RC capacitor, and the working frequency can also be adjusted according to the user's requirements. Add PWM signal at en end to adjust the brightness of LED lamp.

Cxle86111 is a high efficiency, step-down high brightness LED constant current driver chip. Three functions are integrated inside: full light, micro light and explosion flash
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                          目录a98嘉泰姆

   1.产品概述      2.产品特点      3.应用范围     4.技术规格书下载(PDF文档)a98嘉泰姆

   5.产品封装      6.电路原理图     7.相关产品a98嘉泰姆

一.产品概述a98嘉泰姆


  CXLE86111是一款高效率,降压型高亮度 LED灯恒流驱动芯片。内部集成了三功能:全亮、微亮、爆闪。通过电源开关的通断即可实现3功能之间的模式切换。无需外加 MCU或其他控制 IC。a98嘉泰姆

   CXLE86111采用固定关断时间的峰值电流控制方式,其工作频率最高可达 500kHz,可使外部电感和滤波电容体积减小,效率提高,节省 PCB面积。关断时间最小为 620ns,并可通过外部 RC电容进行调节,工作频率也可根据用户要求进行调节。在 EN 端加 PWM信号,可调节LED灯的亮度。a98嘉泰姆

   CXLE86111通过调节外置电流检测电阻的阻值来设置流过 LED 灯的电流,从而设置LED灯的亮度,流过LED灯的电流可从几十毫安到3安培变化。a98嘉泰姆

   CXLE86111采用ESOP-8/PP封装。散热片内置接SW脚。 a98嘉泰姆

二.产品特点a98嘉泰姆


Ø 内置 30V 功率管内阻 18mΩa98嘉泰姆

Ø 宽输入电压范围:4V~30Va98嘉泰姆

Ø 高效率:可高达 92%a98嘉泰姆

Ø 最大工作频率:500kHza98嘉泰姆

Ø 内置三功能模块:100%, 25%,爆闪a98嘉泰姆

Ø 峰值电流采样电压:250mVa98嘉泰姆

Ø 亮度可调:EN 端加 PWM 信号a98嘉泰姆

Ø 关断时间可调a98嘉泰姆

Ø 内置电流采样前沿消隐电路a98嘉泰姆

三.应用范围a98嘉泰姆


 Ø 平板显示器 LED 背光灯a98嘉泰姆

Ø 电动自行车灯a98嘉泰姆

Ø LED 射灯a98嘉泰姆

Ø 应急灯a98嘉泰姆

  Ø 强光手电筒  a98嘉泰姆

四.技术规格书(产品PDF)a98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!a98嘉泰姆

 QQ截图20160419174301.jpga98嘉泰姆

五.产品封装图a98嘉泰姆


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六.电路原理图a98嘉泰姆


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七.相关芯片选择指南     更多同类产品......a98嘉泰姆


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CXLE8697a98嘉泰姆

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