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首页 > Products > Led Driver > Non isolated LED Driver > Non Isolated linear Constant Current LED driver >The critical conduction mode ensures that the cxle83163 can control the power switch to open when the inductive current is zero, reduces the switching loss of the power tube
The critical conduction mode ensures that the cxle83163 can control the power switch to open when the inductive current is zero, reduces the switching loss of the power tube

The critical conduction mode with zero inductance current Valley and the peak inductance current compensated by the input bus voltage ensure the high accuracy of the output LED current and good linear and load regulation. It is not sensitive to the change of inductance. I-type inductance can be used. Cxle83163 is a high-precision LED constant current control chip, which works in zero current on and peak current off critical conduction mode. It is mainly used in non isolated step-down LED power supply system. The chip is equipped with high voltage power MOS tube, the peripheral circuit is simple, and the system cost is low. Cxle83163 has wide working voltage and is suitable for full range AC input voltage. Cxle83163 realizes various protection functions, including OCP, SCP, OVP and automatic regulation of over temperature to ensure reliable operation of the system

The critical conduction mode ensures that the cxle83163 can control the power switch to open when the inductive current is zero, reduces the switching loss of the power tube
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1.产品概述       2.产品特点     wLl嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)wLl嘉泰姆

5.产品封装       6.电路原理图  wLl嘉泰姆

7.相关产品wLl嘉泰姆

   产品概述 返回TOPwLl嘉泰姆


临界导通模式确保了CXLE83163可以控制功率开 关在电感电流为零时刻开启,减小了功率管的开关损耗,确保了系统具有95%以上的峰值效率。电感 电流谷值为零的临界导通模式结合经过输入母线 电压补偿后的峰值电感电流,确保了输出LED电流的高精度,并且具有良好的线性调整率和负载调整 率。对电感量变化不敏感,可以使用工字电感。CXLE83163是一款工作于零电流导通,峰值电流关 断的临界导通模式(CRM,Critical Conduction Mode)高精度LED恒流控制芯片,主要应用于非 隔离降压型LED电源系统。芯片内置高压功率MOS管,外围电路简单,系统成 本低。 CXLE83163工作电压宽,适合全范围交流输入电 压。CXLE83163时实现了各种保护功能,包括逐 周期过流保护(OCP)、LED短路保护(SCP)、 LED开路保护(OVP)和过温自动调节等,以确保 系统可靠的工作。

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 临界导通模式,对电感不敏感 wLl嘉泰姆

 最高95%以上的峰值效率 wLl嘉泰姆

 高精度LED恒流电流 wLl嘉泰姆

 逐周期峰值电流控制 wLl嘉泰姆

 LED短路保护 wLl嘉泰姆

 可调LED开路保护 wLl嘉泰姆

 前沿消隐控制 wLl嘉泰姆

 欠压锁定保护(UVLO) wLl嘉泰姆

 过温自动调节 wLl嘉泰姆

 DIP7封装wLl嘉泰姆

   应用范围 返回TOPwLl嘉泰姆


 LED球泡灯,日光灯,信号灯,景观灯等 wLl嘉泰姆

 LED舞台灯,蜡烛灯,玉米灯等 wLl嘉泰姆

 其他LED驱动应用及通用恒流源wLl嘉泰姆

   技术规格书(产品PDF) 返回TOP wLl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!wLl嘉泰姆

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CXLE83156AwLl嘉泰姆

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