逐周电流限制热关机380kHz开关频率3A输出电流CXDC6574电流模式降压DC转换器输入电压3.85V至23V用于网卡电信电源DSL和电缆调制解调器及路由器液晶电视
发表时间:2020-06-25
浏览次数:420

                          目录LsJ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)LsJ嘉泰姆

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

一.产品概述LsJ嘉泰姆


    The CXDC6574 is a current-mode step-down DC-DC converter that generates up to 3A output current at 380kHz switching frequency. The device utilizes advanced BCD process for operation with input voltage up to +23V consuming only 55μA in shutdown mode, the CXDC6574 is highly efficient with peak efficiency at 90% when in operation.LsJ嘉泰姆

    Protection features include cycle-by-cycle current limit, thermal shutdown, and frequency fold back at short circuit. The CXDC6574 is available in SOP-8 package and requires very few external devices for operation. LsJ嘉泰姆

    If Vin is over 12V, if not use pin7 function , can pull-up a 100K ohm to Vin input with a pull-up resistor, be better not short to Vin dirrectly. LsJ嘉泰姆

二.产品特点LsJ嘉泰姆


  3A Output CurrentLsJ嘉泰姆

  Efficiency up to nearly 90% @+5V /3A outputLsJ嘉泰姆

  +3.85V to +23V Input RangeLsJ嘉泰姆

  55μA Shutdown Supply CurrentLsJ嘉泰姆

  380kHz Switching FrequencyLsJ嘉泰姆

  Adjustable Output Voltage from 1.22V to 0.85*VINLsJ嘉泰姆

  Cycle-by-Cycle Current Limit ProtectionLsJ嘉泰姆

  Thermal Shutdown ProtectionLsJ嘉泰姆

  Frequency Fold Back at Short Circuit Low start up input voltage ;LsJ嘉泰姆

  Low dropout to nearly 0.7VLsJ嘉泰姆

  SOP-8 PackageLsJ嘉泰姆

三.应用范围LsJ嘉泰姆


  TFT LCD MonitorsLsJ嘉泰姆

  Portable DVDsLsJ嘉泰姆

  NET CARD Telecom Power SuppliesLsJ嘉泰姆

  DSL and Cable Modems and RoutersLsJ嘉泰姆

  LCD TV    LsJ嘉泰姆

四.技术规格书(产品PDF)LsJ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LsJ嘉泰姆

 QQ截图20160419174301.jpgLsJ嘉泰姆

五.产品封装图LsJ嘉泰姆


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六.电路原理图LsJ嘉泰姆


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七.相关芯片选择指南      更多同类产品......LsJ嘉泰姆


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CXDC6584 90V降压恒压大电流
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CXDC6587  
CXDC6588  
CXDC6589  
CXDC6590  
CXDC6591  
CXDC6592