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首页 > Products > Led Driver > Non isolated LED Driver > Non Isolated linear Constant Current LED driver >Cxle83164 is a high-precision LED constant current driver chip working in zero current on and peak current off critical conduction mode non isolated step-down LED power supply system
Cxle83164 is a high-precision LED constant current driver chip working in zero current on and peak current off critical conduction mode non isolated step-down LED power supply system

The critical conduction mode ensures that the cxle83164 can control the power switch to open when the inductive current is zero, reduces the switching loss of the switch tube, and ensures that the system has a peak efficiency of more than 93%. 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 of cxle83164, and it has excellent linear adjustment rate and load adjustment rate. It can use I-type inductance and is not sensitive to the change of inductance. Cxle83164 has a wide voltage range, suitable for full range AC input voltage or 12V ~ 500V DC voltage input. The cxle83164 implements various protection functions, including OCP, SCP, OVP and OTR, to ensure the reliable operation of the system

Cxle83164 is a high-precision LED constant current driver chip working in zero current on and peak current off critical conduction mode  non isolated step-down LED power supply system
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1.产品概述       2.产品特点     WlH嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)WlH嘉泰姆

5.产品封装       6.电路原理图  WlH嘉泰姆

7.相关产品WlH嘉泰姆

   产品概述 返回TOPWlH嘉泰姆


        CXLE83164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恒流驱动芯片,主要应用于非 隔离降压型LED电源系统,并支持PWM/模拟电平 调光。 临界导通模式确保了CXLE83164可以控制功率开关在电感电流为零时刻开启,减小了开关管的开关损 耗,确保了系统具有93%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 CXLE83164输出LED电流的高精度,并且具有优异 的线性调整率和负载调整率,可以使用工字电感, 并对电感量变化不敏感。 CXLE83164作电压宽,适合全范围交流输入电压 或是12V~500V直流电压输入。CXLE83164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)、可调开路保护(OVP)和过 热调节(OTR)等,以确保系统可靠地工作。

   产品特点 返回TOPWlH嘉泰姆


 临界导通模式,对电感不敏感 WlH嘉泰姆

 支持PWM/模拟电平调光应用 WlH嘉泰姆

 最高93%以上的峰值效率 WlH嘉泰姆

 高精度LED恒流电流 WlH嘉泰姆

 逐周期峰值电流控制 WlH嘉泰姆

 LED短路保护 WlH嘉泰姆

 可调LED开路保护 WlH嘉泰姆

 前沿消隐控制 WlH嘉泰姆

 欠压锁定保护(UVLO) WlH嘉泰姆

 过温调节(OTR) WlH嘉泰姆

 SOT23-6封装WlH嘉泰姆

   应用范围 返回TOPWlH嘉泰姆


 LED日光灯、信号灯、景光灯 WlH嘉泰姆

 LED舞台灯等 WlH嘉泰姆

 智能LED照明应用WlH嘉泰姆

   技术规格书(产品PDF) 返回TOP WlH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!WlH嘉泰姆

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产品封装图 返回TOPWlH嘉泰姆


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电路原理图 返回TOPWlH嘉泰姆


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