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首页 > Products > Led Driver > Streetlight Spotlight Loghting Desk-lamp Lawn-lamp > Low-Voltage Lighting >Cxle8276 is a high side current induced high brightness LED driver controller designed to drive single or multiple series LEDs efficiently powered by a power supply higher than the led forward on voltage
Cxle8276 is a high side current induced high brightness LED driver controller designed to drive single or multiple series LEDs efficiently powered by a power supply higher than the led forward on voltage

Cxle8276 is a high side current induced high brightness LED driver controller designed to drive single or multiple series LEDs efficiently powered by a power supply higher than the led forward on voltage. The device operates from 8V to 40V and provides an externally adjustable output current of up to 1.5A. According to the power supply voltage and external components, it can provide up to 32 watts of output power.
The cxle8276 includes an output switch and a high side output current sensing circuit, which can adjust the output current by using the average output current set by an external resistor or by loading the adj pin with a carefully designed DC voltage or PWM signal. Adding a voltage lower than 0.4V on the adj pin will turn off the output current and switch action, making the chip enter the low-power standby state

Cxle8276 is a high side current induced high brightness LED driver controller designed to drive single or multiple series LEDs efficiently powered by a power supply higher than the led forward on voltage
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1.产品概述       2.产品特点     huz嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)huz嘉泰姆

5.产品封装       6.电路原理图  huz嘉泰姆

7.相关产品huz嘉泰姆

   产品概述 返回TOPhuz嘉泰姆


   CXLE8276是一款高侧电流感应的高亮度LED驱动控制器,设计运用于高效驱动由高于LED正向导通电压的电源供电的单个或多个串联LED。该装置的运作是在8V到40V之间,提供了一个外部可调的高达1.5A的输出电流。根据电力供应的电压和外部元件,可以提供高达32瓦的输出功率。 

CXLE8276包括输出开关和一个高侧的输出电流传感电路, 可利用外部电阻器来设定的平均输出电流或由精心设计的直流电压或PWM信号来加载ADJ脚来调节输出电流。在ADJ脚上加低于0.4V的电压将关断输出电流和开关动作,使该芯片进入低功耗待机状态。CXLE8276的封装为SOT89-5。huz嘉泰姆

   产品特点 返回TOPhuz嘉泰姆


◆ 极少的外围器件数huz嘉泰姆

◆ 宽输入电压范围:8V至40Vhuz嘉泰姆

◆ 高达1.5A的输出电流huz嘉泰姆

◆ 开关控制及亮度的直流电压控制和PWM控制由单脚实现huz嘉泰姆

◆ 输出电流准确性可达5%huz嘉泰姆

◆ 内建的LED开路保护huz嘉泰姆

◆ 高达95%的效率huz嘉泰姆

◆ 高侧电流感应huz嘉泰姆

◆ 迟滞控制;无需补偿huz嘉泰姆

   应用范围 返回TOPhuz嘉泰姆


◆ LED替换低压卤素灯应用huz嘉泰姆

◆ 汽车照明huz嘉泰姆

◆ 低压照明工业huz嘉泰姆

◆ LED后备照明huz嘉泰姆

◆ 发亮标志huz嘉泰姆

◆ 紧急照明系统huz嘉泰姆

◆ 液晶电视背光huz嘉泰姆

   技术规格书(产品PDF) 返回TOP huz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!huz嘉泰姆

 QQ截图20160419174301.jpghuz嘉泰姆

产品封装图 返回TOPhuz嘉泰姆


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电路原理图 返回TOPhuz嘉泰姆


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