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首页 > Products > Led Driver > Streetlight Spotlight Loghting Desk-lamp Lawn-lamp > LED Lamp Drive >Cxle8696 has a built-in high precision error amplifier. External MOS boost type high efficiency, stable and reliable high brightness LED driving control IC, built-in high-precision comparator
Cxle8696 has a built-in high precision error amplifier. External MOS boost type high efficiency, stable and reliable high brightness LED driving control IC, built-in high-precision comparator

Cxle8696 has a built-in high precision error amplifier. External MOS boost type high efficiency, stable and reliable high brightness LED driving control IC, built-in high-precision comparator, off-time control circuit, constant current drive control circuit, etc., especially suitable for high-power, multiple high brightness LED lamp strings constant current drive. The fixed off time control mode can work at a frequency of up to 1MHz, which can reduce the external inductance and filter capacitance, reduce the volume and improve the efficiency. Add PWM signal at dim pin 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 several Ma to 2 A

Cxle8696 has a built-in high precision error amplifier. External MOS boost type high efficiency, stable and reliable high brightness LED driving control IC, built-in high-precision comparator
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                          目录qvX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)qvX嘉泰姆

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

一.产品概述qvX嘉泰姆


   CXLE8696内置高精度误差放大器。外置MOS升压型高效率,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。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 DIM 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。qvX嘉泰姆

  CXLE8696采用ESOP-8/PP封装。散热片内置接GND脚。有利于芯片散热。 qvX嘉泰姆

二.产品特点qvX嘉泰姆


 Ø 可编程驱动电流,最高可达 2AqvX嘉泰姆

Ø 宽输入电压范围:8V~32VqvX嘉泰姆

Ø 高效率:可高达 95%qvX嘉泰姆

Ø 最大工作频率:1MHzqvX嘉泰姆

Ø 峰值电流采样电压:250MvqvX嘉泰姆

Ø FB 端采样电压:1VqvX嘉泰姆

Ø 亮度可调:EN 端加 PWM 信号qvX嘉泰姆

Ø 关断时间可调qvX嘉泰姆

  Ø 内置电流采样前沿消隐电路qvX嘉泰姆

三.应用范围qvX嘉泰姆


Ø 平板显示器 LED 背光灯qvX嘉泰姆

Ø 电动自行车灯qvX嘉泰姆

Ø LED 射灯qvX嘉泰姆

Ø 应急灯qvX嘉泰姆

Ø 通用恒流源    qvX嘉泰姆

四.技术规格书(产品PDF)qvX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!qvX嘉泰姆

 QQ截图20160419174301.jpgqvX嘉泰姆

五.产品封装图qvX嘉泰姆


  blob.pngqvX嘉泰姆

六.电路原理图qvX嘉泰姆


   blob.pngqvX嘉泰姆

七.相关芯片选择指南         更多同类产品......qvX嘉泰姆


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