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首页 > Products > Led Driver > Boost and Buck Linear CC LED driver > High Voltage Linear Buck LED Drive >Cxle8660 is a kind of LED constant current driver with adjustable output current and low voltage difference. Only one external resistance is needed to form a complete LED constant current drive circuit
Cxle8660 is a kind of LED constant current driver with adjustable output current and low voltage difference. Only one external resistance is needed to form a complete LED constant current drive circuit

Cxle8660 is a kind of LED constant current driver with adjustable output current and low voltage difference. Only one external resistance is needed to form a complete LED constant current drive circuit. Adjusting the external resistance can adjust the output current, and the adjustable range of output current is 10mA ~ 1500mA. Cxle8660 has built-in temperature compensation function. When the chip temperature exceeds 100oC, it starts protection, automatically reduces the output current, and avoids damage caused by overheating of IC temperature. In addition, the chip has overheat protection buffer, so there will be no flash phenomenon during protection. Cxle8660 has undervoltage protection function. The cxle8660 has its own soft start function, which can prevent the flash of LED brightness at the moment of power on. Cxle8660 can realize VDD connection PWM dimming, with dimming frequency up to 3kHz, good dimming resolution and linearity

Cxle8660 is a kind of LED constant current driver with adjustable output current and low voltage difference. Only one external resistance is needed to form a complete LED constant current drive circuit
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   产品概述 返回TOPmY5嘉泰姆


CXLE8660是一种输出电流可调的、低压差的LED恒流驱动器,仅需一个外接电 阻就可以构成一个完整的LED恒流驱动电路,调节该外接电阻就可以调节输出电 流,输出电流可调范围为10mA~1500mA。 CXLE8660内置温度补偿功能,当芯片温度超过100oC时启动保护,自动降低输出电流,避免IC温度过热而造成损坏。另外,芯片具有过热保护缓冲,保护时不会有灯闪的现象。 CXLE8660具有欠压保护功能。 CXLE8660自带软启动功能,该功能可以防止芯片在上电瞬间出现LED亮度的闪烁。 CXLE8660可实现VDD接驳PWM 调 光,调光频率高达3KHz,调光分辨率和线性度良好。 CXLE8660采用SOT-89-5、ESOP8和SOP8的封装形式。mY5嘉泰姆

   产品特点 返回TOPmY5嘉泰姆


 电源电压:2.7V~5.5V; mY5嘉泰姆

 输出电流:10mA 到 1500mA; mY5嘉泰姆

 输出电流精度:优于±5% ; mY5嘉泰姆

 具有温度补偿功能; mY5嘉泰姆

 欠压保护:2.5V; mY5嘉泰姆

 电源电压可扩展至 400V 以上; mY5嘉泰姆

 软启动; mY5嘉泰姆

 PWM 调光:调光频率高达 3KHz; mY5嘉泰姆

 系统简单,成本低;mY5嘉泰姆

   应用范围 返回TOPmY5嘉泰姆


 线性 LED 照明驱动; mY5嘉泰姆

 LED 手电筒、LED 台灯、LED 矿灯、 LED 指示灯等; mY5嘉泰姆

 LED 装饰灯mY5嘉泰姆

   技术规格书(产品PDF) 返回TOP mY5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!mY5嘉泰姆

 QQ截图20160419174301.jpgmY5嘉泰姆

产品封装图 返回TOPmY5嘉泰姆


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电路原理图 返回TOPmY5嘉泰姆


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电流mY5嘉泰姆

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效率可达90%,恒流精度达3%有过温保护和负温度系数保护mY5嘉泰姆

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CXLE8670mY5嘉泰姆

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