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首页 > Products > Led Driver > Boost and Buck Linear CC LED driver > High Voltage Linear Buck LED Drive >Cxle8663 is a high power factor linear constant current high voltage LED driver chip, which is used in LED lighting field. Through the unique constant current control patent technology
Cxle8663 is a high power factor linear constant current high voltage LED driver chip, which is used in LED lighting field. Through the unique constant current control patent technology

Cxle8663 is a high power factor linear constant current high voltage LED driver chip, which is used in LED lighting field. Through the unique constant current control patent technology, the constant current accuracy of the chip is less than ?5%. The output current can be adjusted by the external resistance R1. The chip has high power factor and low harmonic distortion.
Cxle8663 has the function of automatic adjustment of output current with temperature. When the temperature is too high, the system will reduce the output current to achieve the effect of reducing the temperature. The temperature protection point can be set through the external resistance of the pin rth end.
Cxle8663 has the function of automatic adjustment of input power. When the input voltage is too high, the output current will be reduced, and the current reduction amplitude will be set through the external resistance Rd, so as to ensure that the input power does not change with the input voltage.

Cxle8663 is a high power factor linear constant current high voltage LED driver chip, which is used in LED lighting field. Through the unique constant current control patent technology
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   产品概述 返回TOP1NR嘉泰姆


CXLE8663是高功率因数线性恒流高压LED驱动芯片,应用于LED照明领域。该芯片通 过独特的恒流控制专利技术,实现恒流精度小于±5%,输出电流可由外接电阻R1调节, 芯片具有高功率因数和低谐波失真。 CXLE8663具有输出电流随温度自动调节的功能。当温度过高系统将降低输出电流,以达到降低温度的效果,温度保护点可以通过引脚RTH端的外置电阻进行设置。

CXLE8663具有输入功率自动调节的功能,当输入电压过高时,将降低输出电流,电流降低的幅度通过外置电阻RD设置,以此保证输入功率不随输入电压变化。系统结构简单,具有各种保护功能,无需变压器和高压电解电容,该高压LED驱动 芯片只需极少的外围元器件,并且可以实现全部SMT加工,可实现全自动化作业。 

   产品特点 返回TOP1NR嘉泰姆


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