• [ CXLE8290 ]"

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目录

1.产品概述       2.产品特点     wBd嘉泰姆

3.应用范围       4.技术规格书下载（PDF文档）wBd嘉泰姆

5.产品封装       6.电路原理图  wBd嘉泰姆

7.相关产品wBd嘉泰姆

   产品概述 返回TOPwBd嘉泰姆

    CXLE8290 is a single-stage，primary side control AC-DC LED driver with active power factor CXLE8290 integrates on-chip PFC circuit operates in critical conduction mode (CRM) to achieve high power factor and reduce the correction.power MOSFET switching loss.Proprietary control technique, precision LED current is achieved without secondary side sense and feedback circuit including opto-coupler.CXLE8290 provides various protections, such as over current protection (OCP), over voltage protection (OVP), short circuit protection (SCP) and over temperature protection (OTP), etc, to improve system reliability.

   CXLE8290 是一个单级、高功率因数，原边控制交流转直流LED 驱动芯片。CXLE8290 集成片上功率因数校正（PFC）功能，在临界导通模式下运行，实现了高功率因数并减少功率MOS 管开关损耗。无需光耦及副边感应器件就可以精确地调制LED 电流。CXLE8290同时实现了各种保护功能，包括过流保护 (OCP)、 过压保护 (OVP), 短路保护 (SCP)和过热保护(OTP)等，wBd嘉泰姆

以确保系统可靠的工作。wBd嘉泰姆

   产品特点 返回TOPwBd嘉泰姆

 Single-stage Active PFC for high power factor and low THDwBd嘉泰姆

 Primary side control eliminates opto-couplerwBd嘉泰姆

 High precision LED current (+/-3%)wBd嘉泰姆

 Critical Conduction Mode operationwBd嘉泰姆

 Up to 20W driving capability.wBd嘉泰姆

 Cycle-by-cycle current limitingwBd嘉泰姆

 Under-voltage lockout (UVLO) protectionwBd嘉泰姆

 VDD and output over voltage protectionwBd嘉泰姆

 Adjustable constant current and output power settingwBd嘉泰姆

 Power on soft-startwBd嘉泰姆

 Compact SOT23-6 packagewBd嘉泰姆

 单级有源PFC实现了高功率因数和低THDwBd嘉泰姆
 原边感应机制，无需光耦wBd嘉泰姆
 高精度LED电流(+/-3%)wBd嘉泰姆
 临界导通模式运行wBd嘉泰姆
 最高达60W的驱动能力wBd嘉泰姆
 每周期峰值电流控制wBd嘉泰姆
 内置欠压锁定保护wBd嘉泰姆
 VDD过压保护，输出过压保护wBd嘉泰姆
 可调节恒流输出电流及输出功率wBd嘉泰姆
 具有软启动功能wBd嘉泰姆
 SOT23-6 封装wBd嘉泰姆

   应用范围 返回TOPwBd嘉泰姆

 AC/DC LED driver applicationswBd嘉泰姆

 Signal and decorative LED lightingwBd嘉泰姆

 E14/E27/PAR30/PAR38/GU10 LED lampwBd嘉泰姆

 T8/T10 LED StringwBd嘉泰姆

 AC/DC LED 驱动wBd嘉泰姆
 LED信号灯和装饰灯wBd嘉泰姆
 E27/PAR30/PAR38/GU10等LED灯wBd嘉泰姆
 T8/T10 LED灯串wBd嘉泰姆

   技术规格书（产品PDF) 返回TOP wBd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！wBd嘉泰姆

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产品封装图 返回TOPwBd嘉泰姆

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电路原理图 返回TOPwBd嘉泰姆

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◀ Previous:The CXLE8289爄s a step-down constant current LED driver. When the爄nput voltage down to lower than LED forward voltage, then CXLE8289爎un into LDO mode.

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Next▶: The CXLE8291 is a set-up DC-DC converter that delivers a regulated output current. The device switches at a 1.0MHz constant frequency,allowing for the use of small value external inductor and ceramic capacitors