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首页 > Products > Led Driver > Boost and Buck Linear CC LED driver > Buck CC LED Drive >Cxle8698 is a continuous current mode buck constant current driver chip. When the input voltage is higher than the LED voltage, it can be effectively used to drive one or more LEDs in series
Cxle8698 is a continuous current mode buck constant current driver chip. When the input voltage is higher than the LED voltage, it can be effectively used to drive one or more LEDs in series

Cxle8698 is a continuous current mode buck constant current driver chip. When the input voltage is higher than the LED voltage, it can be effectively used to drive one or more LEDs in series. The input voltage range is 6V to 55v, and the maximum output current is 1.2A.
Cxle8698 has built-in power switch and high-end current detection circuit, and uses external resistance to set LED current. It can receive analog dimming and PWM dimming through adj pin. When adj is less than 0.2V, it will enter low-power standby mode.
Cxle8698 has built-in over temperature automatic regulation function. When overheat of driving power is detected, the output current is automatically reduced gradually, so as to control the output power and temperature rise, so as to keep the temperature of driving power within the set value range, so as to improve the reliability of the system. The threshold value of temperature regulation inside the chip is set to 150 ℃

Cxle8698 is a continuous current mode buck constant current driver chip. When the input voltage is higher than the LED voltage, it can be effectively used to drive one or more LEDs in series
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                          目录5aF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)5aF嘉泰姆

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

一.产品概述5aF嘉泰姆


   CXLE8698是一款连续电流模式的降压恒流驱动芯片。在输入电压高于 LED电压时,可以有效地用于驱动一颗或多颗串联LED。输入电压范围从6V到 55V,输出电流最大可达 1.2A。5aF嘉泰姆

   CXLE8698内置功率开关和高端电流检测电路,使用外部电阻设置LED电流,可通过ADJ引脚接收模拟调光和 PWM 调光,当 ADJ小于 0.2V后将进入低功耗待机模式。5aF嘉泰姆

   CXLE8698内置过温自动调节功能。当检测到驱动电源过热时,即自动逐渐减小输出电流,从而控制输出功率和温升,使驱动电源温度保持在设定值范围内,从而提高系统的可靠性。芯片内部过温调节阈值设定为 150℃。 5aF嘉泰姆

二.产品特点5aF嘉泰姆


Ø外围简单,元器件少5aF嘉泰姆

Ø宽的电压输入范围:从6V到55V5aF嘉泰姆

Ø高达1.2A的恒流输出5aF嘉泰姆

Ø单一管脚实现开/关、模拟调光和PWM调光5aF嘉泰姆

ر2%的电流输出精度5aF嘉泰姆

Ø内置VIN电压线性补偿5aF嘉泰姆

Ø效率高达97%5aF嘉泰姆

Ø最大1MHz开关频率5aF嘉泰姆

Ø固有的LED开路/短路保护5aF嘉泰姆

Ø过温自动调节功能5aF嘉泰姆

ØSOT89-5封装形式,绿色环保封装5aF嘉泰姆

三.应用范围5aF嘉泰姆


Ø车载 LED灯5aF嘉泰姆

Ø低压LED射灯代替卤素灯5aF嘉泰姆

Ø低压LED工业用灯5aF嘉泰姆

ØLED备用灯5aF嘉泰姆

ØLED信号灯5aF嘉泰姆

ØLED舞台灯    5aF嘉泰姆

四.技术规格书(产品PDF)5aF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!5aF嘉泰姆

 QQ截图20160419174301.jpg5aF嘉泰姆

五.产品封装图5aF嘉泰姆


  blob.png5aF嘉泰姆

六.电路原理图5aF嘉泰姆


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七.相关芯片选择指南      更多同类产品......5aF嘉泰姆


降压恒流驱动系列5aF嘉泰姆

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