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首页 > Products > Led Driver > Streetlight Spotlight Loghting Desk-lamp Lawn-lamp >  Boost LED Spotlight Driver >Cxle8863 is a constant current driver chip of step-up led The input voltage range can be from 4.5V to 24V Under the condition of 12V input it can drive up to 71 watt LEDs
Cxle8863 is a constant current driver chip of step-up led The input voltage range can be from 4.5V to 24V Under the condition of 12V input it can drive up to 71 watt LEDs

The LED is driven by the current control method, and the LED current is set by a sampling resistance. The sampling voltage is as low as 200mV to reduce the system loss and improve the system efficiency. The chip detects and controls the output voltage through ov pin to protect the whole system in open circuit. Cxle8863 has built-in undervoltage protection, current limiting protection, over temperature protection and other functions to ensure that the chip and system will not be damaged under overload conditions

Cxle8863 is a constant current driver chip of step-up led The input voltage range can be from 4.5V to 24V Under the condition of 12V input it can drive up to 71 watt LEDs
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   产品概述 返回TOPpWt嘉泰姆


CXLE8863是一款升压型LED的恒流驱动芯片,输入电压范围可以从4.5V到 24V,在12V输入的条件下,最多可以驱动7颗1瓦LED。 +0采用电流控制的方法来驱动LED,通过一个采样电阻来设定LED电流,采样电压低至 200mV以减小系统损 耗、提高系统效率。芯片通过 OV 引脚检测并控制输出电压,保护整个系统在开路情况下安全。CXLE8863内置欠压保护、限流保护和过温保护等功 能,保证芯片和系统在过载条件不被损坏。

CXLE8863采用散热很好的SOP8-PP的封装。

   产品特点 返回TOPpWt嘉泰姆


 4.5~24V 的输入电压范围 pWt嘉泰姆

 12V输入可以驱动7颗1瓦LED pWt嘉泰姆

 高达 90%的系统效率 pWt嘉泰姆

 小于1uA的关断电流 pWt嘉泰姆

 200mV的反馈采样电压 pWt嘉泰姆

 1A的限流保护 pWt嘉泰姆

 软启动 pWt嘉泰姆

 输入欠压保护 pWt嘉泰姆

 输出过压保护 pWt嘉泰姆

 芯片内部过温保护 pWt嘉泰姆

 PWM调光和模拟调光pWt嘉泰姆

   应用范围 返回TOPpWt嘉泰姆


 太阳能 LED 路灯 pWt嘉泰姆

 便携式 LED 灯具 pWt嘉泰姆

 LCD LED 背光pWt嘉泰姆

   技术规格书(产品PDF) 返回TOP pWt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!pWt嘉泰姆

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