CXLE8109

CXLE8109是一种高频异步升压转换器。内部MOSFET可支持多达10个白光led用于背光和OLED电源应用,内部软启动功能可减少浪涌电流。该设备以1兆赫固定开关频率运行,以允许小型外部组件,并简化可能的电磁干扰问题。此外,该集成电路还配有46V过电压保护,以允许低电压额定值的廉价小输出电容器。LED电流最初由外部感测电阻器Rs设置。

CXLE8109内部功率N-MOSFET开关高频异步升压转换器支持10个白光led用于背光和OLED电源应用软启动功能1MHz开关频率

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产品简介

                          目录qAQ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)qAQ嘉泰姆

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

一.产品概述qAQ嘉泰姆


   The CXLE8109 is a high frequency, asynchronous boost converter. The internal MOSFET can support up to 10 White LEDs for backlighting and OLED power application, and the internal soft start function can reduce the inrush current. The device operates with 1-MHz fixed switching frequency to allow small external components and to simplify possible EMI problems. Moreover, the IC comes with 46V over voltage protection to allow inexpensive and small-output capacitors with lower voltage ratings. The LED current is initially set with the external sense resistor Rs. qAQ嘉泰姆

二.产品特点qAQ嘉泰姆


  VIN Operating Range : 2.5V to 5.5VqAQ嘉泰姆

  Internal Power N-MOSFET SwitchqAQ嘉泰姆

  Wide Range for PWM Dimming (100Hz to 200kHz)qAQ嘉泰姆

  1MHz Switching FrequencyqAQ嘉泰姆

  Minimize the External Component CountsqAQ嘉泰姆

  Internal Soft StartqAQ嘉泰姆

  Internal CompensationqAQ嘉泰姆

  Under Voltage ProtectionqAQ嘉泰姆

  Over Voltage ProtectionqAQ嘉泰姆

  Over Temperature ProtectionqAQ嘉泰姆

三.应用范围qAQ嘉泰姆


  Cellular PhonesqAQ嘉泰姆

  Digital still camerasqAQ嘉泰姆

  PDAs and Smart Phones and MP3 and OLED.qAQ嘉泰姆

  Probable Instruments   qAQ嘉泰姆

四.技术规格书(产品PDF)qAQ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qAQ嘉泰姆

 QQ截图20160419174301.jpgqAQ嘉泰姆

五.产品封装图qAQ嘉泰姆


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六.电路原理图qAQ嘉泰姆


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七.相关芯片选择指南    更多同类产品......qAQ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-LEDqAQ嘉泰姆

◀ 上一篇:CXLE8108 1000KHz的固定开关频率3W大功率白光LED背光驱动电路PWM控制模式的开关型DC升压恒流芯片调节外部电阻恒定在500mA~1A

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下一篇▶:CXLE8110高频异步升压变换器MOSFET支持6个系列或3x13个白光led用于背光和OLED电源应用软启动功能可降低浪涌电流外部感测电阻器Rs设置