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首页 > Products > Led Driver > LED Backlight > Boost LED Backlight >Cxle8108 is a PWM control mode switch type DC / DC boost constant current chip. It is used to drive 3W high-power white LED. The current of LED can be adjusted at 500mA ~ 1a by
Cxle8108 is a PWM control mode switch type DC / DC boost constant current chip. It is used to drive 3W high-power white LED. The current of LED can be adjusted at 500mA ~ 1a by

Cxle8108 is a PWM control mode switch type DC / DC boost constant current chip. It is used to drive 3W high-power white LED. The current of LED can be adjusted at 500mA ~ 1a by adjusting the external resistance, and the power loss of external resistance can be reduced by 95mv feedback voltage. Cxle8108 has a fixed switching frequency of 1000khz, so low value inductors and ceramic capacitors can be used for peripheral devices.

Cxle8108 is a PWM control mode switch type DC / DC boost constant current chip. It is used to drive 3W high-power white LED. The current of LED can be adjusted at 500mA ~ 1a by
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                          目录xrp嘉泰姆

   1.产品概述      2.产品特点      3.应用范围     4.技术规格书下载(PDF文档)xrp嘉泰姆

   5.产品封装      6.电路原理图     7.相关产品xrp嘉泰姆

一.产品概述xrp嘉泰姆


     CXLE8108是一款PWM控制模式的开关型DC/DC升压恒流芯片。用来驱动3W大功率白光LED,LED电流可通过调节外部电阻恒定在500mA~1A,且95mV 的反馈电压可减小外部电阻的功率损耗。CXLE8108具有1000KHz的固定开关频率,因此外围器件可使用低值电感和陶瓷电容。  xrp嘉泰姆

二.产品特点xrp嘉泰姆


l 高效率:90% xrp嘉泰姆

l LED 恒流精度:±10% xrp嘉泰姆

l 低启动电压:0.9V(ILED=270mA)xrp嘉泰姆

l 低保持电压:0.75V(ILED=200mA) xrp嘉泰姆

l 开关频率:1000KHz(TYP.) xrp嘉泰姆

l 仅需电容、电感、肖特基二极管、电阻等少量 外部元器件 xrp嘉泰姆

l 低导通电阻:100mΩ(TYP.) xrp嘉泰姆

l 开路 LED 保护 xrp嘉泰姆

l 过温保护 xrp嘉泰姆

l 封装形式:SOT-23-6 xrp嘉泰姆

l 可提供无铅封装xrp嘉泰姆

三.应用范围xrp嘉泰姆


l 给大功率 LED 提供能源 xrp嘉泰姆

l 恒流源    xrp嘉泰姆

四.技术规格书(产品PDF)xrp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xrp嘉泰姆

 QQ截图20160419174301.jpgxrp嘉泰姆

五.产品封装图xrp嘉泰姆


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六.电路原理图xrp嘉泰姆


blob.png   xrp嘉泰姆

七.相关芯片选择指南    更多同类产品......xrp嘉泰姆


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Applications:①Step-up converter to drive white-LED②Constant   current output③LED Backlight ④Step-down converter to drive white-LED★CXLE8109   OVP=46V, CXLE8110 OVP=26V ★CXLE8111 Step-down converter to drive white-LEDxrp嘉泰姆