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首页 > Products > Led Driver > Non isolated LED Driver > Non isolation Buck Constant Current High efficienc >Cxle8355 is a high-precision step-down high-power LED constant current driver chip It is suitable for high power LED constant current driving power supply with input voltage less than 100V
Cxle8355 is a high-precision step-down high-power LED constant current driver chip It is suitable for high power LED constant current driving power supply with input voltage less than 100V

Patented high-end current detection, fixed frequency, current mode PWM control mode, with excellent linear adjustment rate and load adjustment rate. The chip adopts the unique constant current control mode, which makes the LED output current accuracy within ?3%. The frequency buffing function integrated in the chip can reduce the cost of EMI. Built in loop compensation and slope compensation, no external compensation, simple application design. Typical operating frequency of the chip is about 200kHz

Cxle8355 is a high-precision step-down high-power LED constant current driver chip It is suitable for high power LED constant current driving power supply with input voltage less than 100V
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   产品概述 返回TOPnnn嘉泰姆


CXLE8355是一款高精度降压型大功率 LED 恒流驱动芯片。适用于输入电压 100V 以内的大功率 LED 恒流驱动电源。 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。 芯片采用的特有恒流控制方式,使得 LED 输出电流精度达到±3%以内。 芯片内部集成的抖频功能可降低 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。 芯片典型工作频率约 200KHz。 CXLE8355 采用 SOT23-5 封装。nnn嘉泰姆

   产品特点 返回TOPnnn嘉泰姆


 高端电流检测 nnn嘉泰姆

 输出电流:小于 3A nnn嘉泰姆

 输入电压:6~100V nnn嘉泰姆

 LED 均值电流控制:恒流效果好 nnn嘉泰姆

 LED 输出电流精度:±3% nnn嘉泰姆

 高效率:最高可达 95%以上 nnn嘉泰姆

 电流模 PWM 控制 nnn嘉泰姆

 固定工作频率 nnn嘉泰姆

 抖频功能 nnn嘉泰姆

 内置环路补偿、斜坡补偿 nnn嘉泰姆

 芯片供电欠压/过压保护nnn嘉泰姆

   应用范围 返回TOPnnn嘉泰姆


  LED 射灯、路灯及其它 LED 照明nnn嘉泰姆

   技术规格书(产品PDF) 返回TOP nnn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!nnn嘉泰姆

 QQ截图20160419174301.jpgnnn嘉泰姆

产品封装图 返回TOPnnn嘉泰姆


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电路原理图 返回TOPnnn嘉泰姆


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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