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首页 > Products > Led Driver > Streetlight Spotlight Loghting Desk-lamp Lawn-lamp > CC LED Landscape Lighting Drive >Cxle86174 is a high precision step-down LED constant current control chip with source power factor correction, which is suitable for the non isolated step-down LED constant current power
Cxle86174 is a high precision step-down LED constant current control chip with source power factor correction, which is suitable for the non isolated step-down LED constant current power

Cxle86174 is a high precision step-down LED constant current control chip with source power factor correction, which is suitable for the non isolated step-down LED constant current power supply with 85vac-265vac full range input voltage. Cxle86174 integrated active power factor correction circuit can achieve high power factor and low total harmonic distortion. The power MOS is at zero power due to the critical continuous mode of inductive current
In the current on state, the switching loss can be reduced, and the utilization ratio of inductor is also high. Cxle86174 adopts current sampling mechanism to achieve high
Precision output constant current control. At the same time, the chip adopts advanced line voltage and load voltage compensation technology to achieve excellent line voltage and load
Adjustment rate. The line voltage compensation coefficient can also be flexibly adjusted by external components.

Cxle86174 is a high precision step-down LED constant current control chip with source power factor correction, which is suitable for the non isolated step-down LED constant current power
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1.产品概述       2.产品特点     gnT嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)gnT嘉泰姆

5.产品封装       6.电路原理图  gnT嘉泰姆

7.相关产品gnT嘉泰姆

   产品概述 返回TOPgnT嘉泰姆


    CXLE86174 是一款带有源功率因数校正的高精度降压型LED恒流控制芯片,适用于85Vac-265Vac全范围输入电压的非隔离降压式LED恒流电源。CXLE86174集成有源功率因数校正电路,可以实现很高的功率因数和很低的总谐波失真。由于工作在电感电流临界连续模式,功率MOS 管处于零电流开通状态,开关损耗得以减小,同时电感的利用率也较高。CXLE86174 采用电流采样机制,可实现高精度输出恒流控制。同时,芯片采用先进的线电压和负载电压补偿技术,可以达到优异的线电压和负载调整率。线电压补偿系数还可以通过外部元件灵活调整。CXLE86174 具有多重保护功能以加强系统可靠性,包括LED 开路保护、LED 短路保护、芯片供电过压保护、欠压保护、电流采样电阻开路保护和逐周期限流等。所有的保护状态都具有自动重启功能。

   产品特点 返回TOPgnT嘉泰姆


单级、有源功率因数校正,高PF 值,低gnT嘉泰姆

高达90%的系统效率gnT嘉泰姆

LED 输出电流精度gnT嘉泰姆

优异的线电压调整率和负载调整率gnT嘉泰姆

电感电流临界连续模式gnT嘉泰姆

超低(10uA) 启动电流gnT嘉泰姆

LED 开路/短路保护gnT嘉泰姆

电流采样电阻开路保护gnT嘉泰姆

逐周期原边电流限流gnT嘉泰姆

芯片供电过压/欠压保护gnT嘉泰姆

自动重启功能gnT嘉泰姆

小体积的SOT23-6 封装gnT嘉泰姆

   应用范围 返回TOPgnT嘉泰姆


LED 球泡灯、射灯gnT嘉泰姆

LED PAR30、PAR38 灯gnT嘉泰姆

LED 日光灯gnT嘉泰姆

其它LED 照明gnT嘉泰姆

   技术规格书(产品PDF) 返回TOP gnT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!gnT嘉泰姆

 QQ截图20160419174301.jpggnT嘉泰姆

产品封装图 返回TOPgnT嘉泰姆


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电路原理图 返回TOPgnT嘉泰姆


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