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首页 > Products > Led Driver > Streetlight Spotlight Loghting Desk-lamp Lawn-lamp > Buck LED Spotlight Driver >Cxle86168 is a high-precision step-down LED constant current driver chip. The chip works in the critical continuous mode of inductor current, and is suitable for the non isolated step-down LED
Cxle86168 is a high-precision step-down LED constant current driver chip. The chip works in the critical continuous mode of inductor current, and is suitable for the non isolated step-down LED

Cxle86168 is a high-precision step-down LED constant current driver chip. The chip works in the critical continuous mode of inductor current, and is suitable for the non isolated step-down LED constant current power supply of 85vac ~ 265vac full range input voltage. The cxle86168 chip is internally integrated with 500V power switch. It adopts special driving and current detection methods. The working current of the chip is very low. It does not need auxiliary winding detection and power supply, only needs a few peripheral components, so it can achieve excellent constant current characteristics, greatly saving the cost and volume of the system. The cxle86168 chip has a high-precision current sampling circuit, and adopts constant current control technology to achieve high-precision LED constant current output and excellent line voltage regulation rate. The chip works in the inductive current critical mode, the output current does not change with the inductance and the LED working voltage, achieving excellent load regulation

Cxle86168 is a high-precision step-down LED constant current driver chip. The chip works in the critical continuous mode of inductor current, and is suitable for the non isolated step-down LED
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1.产品概述       2.产品特点     pWG嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)pWG嘉泰姆

5.产品封装       6.电路原理图  pWG嘉泰姆

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     CXLE86168 是一款高精度降压型LED 恒流驱动芯片。芯片工作在电感电流临界连续模式,适用于85Vac~265Vac 全范围输入电压的非隔离降压型LED恒流电源。CXLE86168 芯片内部集成500V功率开关,采用特有的驱动和电流检测方式,芯片的工作电流极低, 无需辅助绕组检测和供电,只需要很少的外围元件,即可实现优异的恒流特性,极大的节约了系统成本和体积。CXLE86168 芯片内带有高精度的电流采样电路,同时采用了恒流控制技术,实现高精度的LED恒流输出和优异的线电压调整率。芯片工作在电感电流临界模式,输出电流不随电感量和LED工作电压的变化而变化,实现优异的负载调整率。CXLE86168 具有多重保护功能,包括LED 开路/短路保护,CS 电阻短路保护,欠压保护,芯片温度过热调节等。CXLE86168 采SOP-8 封装。

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 电感电流临界连续模式pWG嘉泰姆

内部集成500V 功率管 pWG嘉泰姆

无需辅助绕组检测和供电pWG嘉泰姆

芯片超低工作电流pWG嘉泰姆

宽输入电压 pWG嘉泰姆

LED 输出电流精度pWG嘉泰姆

LED 开路保护pWG嘉泰姆

LED 短路保护 电阻短路保护pWG嘉泰姆

芯片供电欠压保护pWG嘉泰姆

过热调节功能pWG嘉泰姆

采用SOP-8 封装pWG嘉泰姆

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     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!pWG嘉泰姆

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