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首页 > Products > Led Driver > Boost and Buck Linear CC LED driver > Medium and Low Voltage CC Buck >Cxle86199 is a programmable constant current source, which can set the output current through the external resistance. The internal control circuit of cxle86199 can realize three functions
Cxle86199 is a programmable constant current source, which can set the output current through the external resistance. The internal control circuit of cxle86199 can realize three functions

Cxle86199 is a programmable constant current source, which can set the output current through the external resistance. The internal control circuit of cxle86199 can realize three functions, i.e. full current, 1 / 4 current and burst flash. The three functions are controlled by external switches. Built in short circuit protection, when IOUT and VDD short circuit occurs, the chip will automatically adjust the output current to 25mA, to ensure that the chip will not be damaged. At the same time, the chip has built-in linear temperature protection. With the increase of temperature, the output current is automatically reduced to ensure that the internal loss of the chip does not exceed the allowable power consumption range of the package, providing a high reliability guarantee

Cxle86199 is a programmable constant current source, which can set the output current through the external resistance. The internal control circuit of cxle86199 can realize three functions
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1.产品概述       2.产品特点     Gcx嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)Gcx嘉泰姆

5.产品封装       6.电路原理图  Gcx嘉泰姆

7.相关产品Gcx嘉泰姆

   产品概述 返回TOPGcx嘉泰姆


     CXLE86199 是一款可编程恒流源,通过外置电阻可以设置 输出电流。 CXLE86199 的内部控制电路,可以实现全电流、1/4 电流和 爆闪等三种功能,三种功能受外部开关控制循环出现。 内置短路保护,当发生 IOUT 与 VDD 短路后,芯片自动 将输出电流电流调整到 25mA,确保芯片不会损坏。同时芯 片内置了线性温度保护,随着温度的升高,自动减小输出电 流,确保芯片内部损耗不超过封装允许的功耗范围,提供了 高可靠性保障。

   产品特点 返回TOPGcx嘉泰姆


 可编程输出电流,外置电阻控制 Gcx嘉泰姆

 内置短路保护,短路电流 25mA Gcx嘉泰姆

 内置线性温度保护,温度过高自动减小输出电流 Gcx嘉泰姆

 三功能工作模式,扩大了客户的使用场合。 Gcx嘉泰姆

 电流设置通过镜像实现,最大限度降低了最小输入电 压。Gcx嘉泰姆

   应用范围 返回TOPGcx嘉泰姆


 LED 恒流源 Gcx嘉泰姆

 LED 手电 Gcx嘉泰姆

 低侧限流开关 Gcx嘉泰姆

 数码闪光灯控制Gcx嘉泰姆

   技术规格书(产品PDF) 返回TOP Gcx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!Gcx嘉泰姆

 QQ截图20160419174301.jpgGcx嘉泰姆

产品封装图 返回TOPGcx嘉泰姆


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电路原理图 返回TOPGcx嘉泰姆


image.pngGcx嘉泰姆

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白光LED驱动---DC/DC恒流模式
产品名称 工作电压(V) 输出电流(mA) 控制模式 单串LED数量 封装形式
CXLE8683 2.0-6.0 800 PWM/PFM 1 SOT-23-5
CXLE8684 3.6-6.0 300 PWM 7 SOT-23-6
CXLE8685 2.6-6.0 300 PWM 6 SOT-23-6
CXLE8686 2.5-6.0 300 PWM 4 SOT-23-6
CXLE86197 6.0-20 3000 PWM 1 SOP-8
CXLE86198 2.0-5.0 300 Linear ---- SOT-23-6L
CXLE86199 2.0-7.0 1000 Linear 1 ESOP-8
CXLE86200 3.0-6.0 2500 PWM 3 SOT-23-6L
CXLE86201 3.6-6.0 300 PWM 6 SOT-23-6L