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首页 > Products > Led Driver > Streetlight Spotlight Loghting Desk-lamp Lawn-lamp > CC LED Landscape Lighting Drive >Cxle86187a cxle86187b has built-in power switch and a high-end current detection circuit. It uses external resistance to set led average current, and receives analog dimming and PWM
Cxle86187a cxle86187b has built-in power switch and a high-end current detection circuit. It uses external resistance to set led average current, and receives analog dimming and PWM

Cxle86187a cxle86187b has built-in power switch and a high-end current detection circuit. It uses external resistance to set led average current, and receives analog dimming and PWM dimming through adj pin. The chip contains a PWM filter circuit, which controls the rising edge of the current to realize the soft start function. The soft start time can be extended by adding an external capacitance between the adj pin and the ground. When the voltage of adj is lower than 0.2V, the power switch is cut off, and cxle86187a cxle86187b enters into the standby state of extremely low working current. Cxle86187a cxle86187b is packaged in sot89-5. Cxle86187a cxle86187b is a continuous current mode step-down 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. Cxle86187a cxle86187b input voltage range from 6V to 50V, output current adjustable, up to 1 Amp

Cxle86187a cxle86187b has built-in power switch and a high-end current detection circuit. It uses external resistance to set led average current, and receives analog dimming and PWM
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1.产品概述       2.产品特点     KX2嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)KX2嘉泰姆

5.产品封装       6.电路原理图  KX2嘉泰姆

7.相关产品KX2嘉泰姆

   产品概述 返回TOPKX2嘉泰姆


     CXLE86187A CXLE86187B 内置功率开关和一个高端电流检测 电路,使用外部电阻设置 LED 平均电流,并通过 ADJ 引脚接收模拟调光和 PWM 调光。芯片内含 有 PWM 滤波电路,PWM 滤波电路通过控制电流的 上升沿从而实现软启动的功能。软启动的时间可 以通过在 ADJ 脚与地之间增加一个外部电容来 延长。当 ADJ 的电压低于 0.2 伏时,功率开关截 止,CXLE86187A CXLE86187B进入极低工作电流的待机状态。 CXLE86187A CXLE86187B 采用 SOT89-5 封装。CXLE86187A CXLE86187B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。CXLE86187A CXLE86187B输 入电压范围从 6 伏到 50 伏,输出电流可调,最 大可达 1 安培。

   产品特点 返回TOPKX2嘉泰姆


 极少的外部元器件 KX2嘉泰姆

 高达1A的恒电流输出 KX2嘉泰姆

 单一管脚实现开/关、模拟调光和PWM调光 KX2嘉泰姆

 内含PWM滤波器 KX2嘉泰姆

 独特的抖频技术减少EMI KX2嘉泰姆

 效率高达97% KX2嘉泰姆

 很宽的输入电压范围:从6V到50 V KX2嘉泰姆

 最大1MHz开关频率 KX2嘉泰姆

 LED 开路保护 KX2嘉泰姆

 2%的输出电流精度KX2嘉泰姆

   应用范围 返回TOPKX2嘉泰姆


 低压LED 射灯代替卤素灯 KX2嘉泰姆

 车载LED 灯 KX2嘉泰姆

 低压工业用灯 KX2嘉泰姆

 LED 备用灯 KX2嘉泰姆

 LED信号灯 KX2嘉泰姆

 LED 舞台灯KX2嘉泰姆

   技术规格书(产品PDF) 返回TOP KX2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!KX2嘉泰姆

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