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首页 > Products > Led Driver > Streetlight Spotlight Loghting Desk-lamp Lawn-lamp >  Boost LED Spotlight Driver >Cxle8866 has a built-in high-precision error amplifier Cxle8866 is a high efficiency stable and reliable high brightness LED lamp driving control IC with built-in high-precision comparator
Cxle8866 has a built-in high-precision error amplifier Cxle8866 is a high efficiency stable and reliable high brightness LED lamp driving control IC with built-in high-precision comparator

Cxle8866 adopts fixed off time control working mode, its working frequency can be as high as 1MHz, which can reduce external inductance, filter capacitance, volume and improve efficiency.
Add PWM signal at en foot to adjust the brightness of LED lamp.
By adjusting the external resistance, the driving current of the high brightness LED lamp can be controlled to make the brightness of the LED lamp reach the expected constant brightness. The current flowing through the high brightness LED lamp can vary from a few Ma to 2 A.

Cxle8866 has a built-in high-precision error amplifier Cxle8866 is a high efficiency stable and reliable high brightness LED lamp driving control IC with built-in high-precision comparator
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   产品概述 返回TOPIF5嘉泰姆


CXLE8866内置高精度误差放大器。 CXLE8866是一款高效率,稳定可靠的高亮度LED灯驱动控制IC,内置高精度比较器,off-time控制电路,恒流驱动控制电路等,特别适合大功率,多个高亮度LED灯串恒流驱动。 

CXLE8866采用固定 off-time 控制工作方式,其工作频率可高达 1MHz,可使外部电感和滤波电容、体积减少,效率提 高。 在EN脚加PWM信号,可调节LED灯的亮度。 通过调节外置的电阻,能控制高亮度LED灯的驱动电流,使LED灯亮度达到 预期恒定亮度,流过高亮度LED灯的电 流可从几毫安到2安培变化。 

CXLE8866采用ESOP-14/PP封装。散热片内置接SW脚。有利于芯片散热。

   产品特点 返回TOPIF5嘉泰姆


 内置 60V 功率管 IF5嘉泰姆

 宽输入电压范围:8V~32V IF5嘉泰姆

 高效率:可高达 95% IF5嘉泰姆

 最大工作频率:1MHz IF5嘉泰姆

 峰值电流采样电压:250Mv IF5嘉泰姆

 FB 端采样电压:1V IF5嘉泰姆

 亮度可调:EN 端加 PWM 信号 IF5嘉泰姆

 关断时间可调 IF5嘉泰姆

 内置电流采样前沿消隐电路IF5嘉泰姆

   应用范围 返回TOPIF5嘉泰姆


 平板显示器 LED 背光灯 IF5嘉泰姆

 电动自行车灯 IF5嘉泰姆

 LED 射灯 IF5嘉泰姆

 应急灯 IF5嘉泰姆

 通用恒流源IF5嘉泰姆

   技术规格书(产品PDF) 返回TOP IF5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!IF5嘉泰姆

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产品封装图 返回TOPIF5嘉泰姆


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电路原理图 返回TOPIF5嘉泰姆


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