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首页 > Products > Led Driver > Non isolated LED Driver > Non isolation Buck Constant Current High efficienc >Cxle8366 chip adopts self powered structure no need of auxiliary winding, built-in NPN triode providing high cost performance Patented high-end current detection fixed frequency
Cxle8366 chip adopts self powered structure no need of auxiliary winding, built-in NPN triode providing high cost performance Patented high-end current detection fixed frequency

Patented high-end current detection, fixed frequency, current mode PWM control mode, with excellent linear adjustment rate and load adjustment rate. The integrated buffing function in the chip can reduce the cost of EMI. Built in loop compensation and slope compensation, no external compensation, simple application design. Cxle8366 has multiple protection functions, including LED open / short circuit protection, cycle by cycle current limiting protection, input power supply undervoltage protection and power clamp

Cxle8366 chip adopts self powered structure no need of auxiliary winding, built-in NPN triode providing high cost performance Patented high-end current detection fixed frequency
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                          目录k1b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(PDF文档)k1b嘉泰姆

   5.产品封装      6.电路原理图     7.相关产品k1b嘉泰姆

一.产品概述k1b嘉泰姆


         CXLE8366芯片采用自供电结构,无需辅助绕组,内置NPN三极管,提供高性价比。专利的高端电流检测、固定频率、电流模PWM控制方式,具有优异的线性调整率和负载调整率。芯片内部集成抖频功能可降低EMI成本。内置环路补偿与斜坡补偿,无需外部补偿,应用设计简单。CXLE8366具有多重保护功能,包括LED开路/短路保护,逐周期限流保护,输入供电欠压保护以及电源箝位等功能。CXLE8366采用DIP8和SOP8封装。 k1b嘉泰姆

        CXLE8366是一款内置NPN功率三极管,具有自供电功能的高精度降压型大功率LED恒流驱动芯片,适用于交流85V到265V全范围输入电压,输出电流在250mA以内的非隔离LED恒流驱动电源。

二.产品特点k1b嘉泰姆


内置NPN功率三极管k1b嘉泰姆
自供电结构:无需辅助绕组k1b嘉泰姆
LED输出电流精度:±3%k1b嘉泰姆
高效率:最高可达93%以上k1b嘉泰姆
输出电流:小于250mAk1b嘉泰姆
电流模PWM控制k1b嘉泰姆
固定工作频率k1b嘉泰姆
抖频功能
k1b嘉泰姆

内置环路补偿、斜坡补偿k1b嘉泰姆
LED开路/短路保护
k1b嘉泰姆

芯片供电欠压保护k1b嘉泰姆

三.应用范围k1b嘉泰姆


18W以内的非隔离 LED日光灯电源,外置电源,球泡灯,蜡烛灯,玉米灯,景光灯,筒灯,射灯,信号灯,GU10/E27.PAR灯等    k1b嘉泰姆

四.技术规格书(产品PDF)k1b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!k1b嘉泰姆

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五.产品封装图k1b嘉泰姆


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六.电路原理图k1b嘉泰姆


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七.相关芯片选择指南k1b嘉泰姆


LED驱动 > 非隔离型(AC/DC)
产品型号 输入电压 输出电压 输出电流 工作效率 产品封装 备注
CXLE8364 85-265V 低于输入,16V-150V 300mA 92% DIP-8 非隔离,内置MOS,电流精度±3%
CXLE8365 85-265V 低于输入 2A 93% SOT23-6 外置MOSFET
CXLE8366 85-265V 低于输入 250mA 93% SOP-8   DIP-8 PWM控制+三极管13003
CXLE8367 100-265V 低于输入 350mA 93% SOP-8 外驱三极管
CXLE8368 85-265V 低于输入 600mA 93% SOP-8 高功率因数校正
CXLE8355 6-100v 低于输入 3A 95 sot23-6 可做足3A