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首页 > Products > Led Driver > Boost and Buck Linear CC LED driver > High Voltage Linear Buck LED Drive >Cxle8681 is a single channel linear constant current LED driver chip, which is applied in the field of LED lighting of municipal power input. Chip integrated high voltage start
Cxle8681 is a single channel linear constant current LED driver chip, which is applied in the field of LED lighting of municipal power input. Chip integrated high voltage start

Cxle8681 is a single channel linear constant current LED driver chip, which is applied in the field of LED lighting of municipal power input. Chip integrated high voltage start
The circuit and high-voltage power MOS tube, with the maximum withstand voltage of 700V, can be directly connected to the rectified 110V or 220V AC mains power. The application circuit is very
Simple, no inductance, no EMI problem when the system works, no 100Hz strobe. The chip uses proprietary linear constant current control technology to
The current precision between chips is controlled within 5%. The chip has the functions of LED open circuit protection, led short circuit protection and temperature compensation, making the application
Maximum security of time system

Cxle8681 is a single channel linear constant current LED driver chip, which is applied in the field of LED lighting of municipal power input. Chip integrated high voltage start
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Product introduction

目录tHD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(产品PDF文档) tHD嘉泰姆
5.产品封装图   6.电路原理图  7.功能概述      8.相关产品
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一,产品概述(General Description)      tHD嘉泰姆


 CXLE8681是一款单通道线性恒流 LED 驱动芯片,应用于市电输入的 LED 照明领域。芯片集成高压启动tHD嘉泰姆
电路以及高压功率 MOS 管,最高耐压达 700V,可以直接接整流之后的 110V或 220V 交流市电,应用电路非常tHD嘉泰姆
简单,无需电感,系统工作时没有 EMI 的问题,没有 100Hz 频闪。芯片使用专有的线性恒流控制技术,使得tHD嘉泰姆
芯片之间的电流精度控制在 5%以内。芯片具有 LED 开路保护、LED 短路保护以及温度补偿功能,使得应用tHD嘉泰姆
时系统具有最大程度的安全性。tHD嘉泰姆
二.产品特点(Features)
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集成 700V 高压启动电路以及高压功率 MOStHD嘉泰姆
无需电感tHD嘉泰姆
输入加电容,没有 100Hz 频闪tHD嘉泰姆
输入不加电容,PF>0.9tHD嘉泰姆
没有 EMI 问题tHD嘉泰姆
效率:>0.85tHD嘉泰姆
具有 LED 开路以及 LED 短路保护tHD嘉泰姆
120℃高温时 LED 电流温度补偿tHD嘉泰姆
最大输出电流 90mAtHD嘉泰姆
单颗最大输出功率 18WtHD嘉泰姆
封装形式:SOT89-3L/TO252-3LtHD嘉泰姆
三,应用范围 (Applications)
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LED 日光灯管tHD嘉泰姆
LED 球泡灯tHD嘉泰姆
LED 吸顶灯tHD嘉泰姆
LED 吸顶灯tHD嘉泰姆
四.技术规格书下载(产品PDF)
tHD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!tHD嘉泰姆

 QQ截图20160419174301.jpgtHD嘉泰姆

五,产品封装图 (Package)tHD嘉泰姆


image.pngtHD嘉泰姆

管脚号tHD嘉泰姆

管脚名称tHD嘉泰姆

描述tHD嘉泰姆

1tHD嘉泰姆

VINtHD嘉泰姆

电源输入恒流输出通道tHD嘉泰姆

2tHD嘉泰姆

GNDtHD嘉泰姆

芯片地tHD嘉泰姆

3tHD嘉泰姆

ISETtHD嘉泰姆

输出电流设值端tHD嘉泰姆

六.电路原理图tHD嘉泰姆


image.pngtHD嘉泰姆

七,功能概述tHD嘉泰姆


参数tHD嘉泰姆

额定值tHD嘉泰姆

单位tHD嘉泰姆

VIN 电压tHD嘉泰姆

-0.3~+700tHD嘉泰姆

VtHD嘉泰姆

ISET 电压tHD嘉泰姆

-0.3~+0.6tHD嘉泰姆

VtHD嘉泰姆

最大输出电流tHD嘉泰姆

70tHD嘉泰姆

mAtHD嘉泰姆

最大输出功率tHD嘉泰姆

18tHD嘉泰姆

WtHD嘉泰姆

储存环境温度tHD嘉泰姆

-50~+150tHD嘉泰姆

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工作环境温度tHD嘉泰姆

-40~+85tHD嘉泰姆

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工作结温范围tHD嘉泰姆

-40~150tHD嘉泰姆

tHD嘉泰姆

HBMtHD嘉泰姆

2000tHD嘉泰姆

VtHD嘉泰姆

MMtHD嘉泰姆

200tHD嘉泰姆

VtHD嘉泰姆

八,相关芯片选择指南tHD嘉泰姆


LED驱动芯片>超高压线性tHD嘉泰姆

产品名称tHD嘉泰姆

功率管tHD嘉泰姆

调光方式tHD嘉泰姆

封装tHD嘉泰姆

典型应用tHD嘉泰姆

最大功率tHD嘉泰姆

应用领域tHD嘉泰姆

CXLE8678tHD嘉泰姆

700VtHD嘉泰姆

三段开关tHD嘉泰姆

ESOP8tHD嘉泰姆

255V/45mAtHD嘉泰姆

10WtHD嘉泰姆

LED日光灯tHD嘉泰姆

CXLE8679tHD嘉泰姆

700VtHD嘉泰姆

三段开关tHD嘉泰姆

ESOP8tHD嘉泰姆

255V/45mAtHD嘉泰姆

12WtHD嘉泰姆

LED吸顶灯tHD嘉泰姆

CXLE8680tHD嘉泰姆

700VtHD嘉泰姆

不支持tHD嘉泰姆

SOT89-5/TO252-5tHD嘉泰姆

255V/45mAtHD嘉泰姆

15WtHD嘉泰姆

LED筒灯tHD嘉泰姆

CXLE8681tHD嘉泰姆

700VtHD嘉泰姆

不支持tHD嘉泰姆

SOT89-3/TO252-3tHD嘉泰姆

280V/36mAtHD嘉泰姆

18WtHD嘉泰姆

LED球泡灯tHD嘉泰姆