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UCC2894D
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UCC2894D

  • Category:Controller controller
  • Product Name:Current mode active clamping PWM controller
  • Manufacturers:TI
  • Production Batch Number:09+
  • Encapsulation:SOP-14
  • Stock Status:There is stock
  • Stock Quantity:56000
  • Minimum order quantity: 5
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  • Product introduction

UCC2894D  电流模式有源钳位 PWM 控制器

illustrate

 

该PWM控制器UCC2891/2/3/4系列旨在简化各种有源钳位/复位开关电源拓扑结构的实现。

该UCC289x是峰值电流模式,固定频率,高性能脉冲宽度调制器。 它包括逻辑和为用正确的编程有源钳位操作简便方法的关键延误辅助开关的驱动能力。

在UCC2891 / 3包括一个110 - V的启动调节器的初始创业,并提供keep - alive电源在待机。

其它特点包括内部可编程斜率补偿电路,精确的Dutmost的限制,和一个电阻可编程同步的振荡器。 准确的在线监测方案的转换功能也上\ x92s和OFF转换关于大容量的输入电压。

 

characteristic

 

  • 低输出抖动
  • 软停止关机主要和辅助
  • 有源钳位/复位前进,理想返驰式转换器
  • 提供补充辅助驱动器,带有可编程死区时间(开启延迟)AUX和主开关之间
  • 峰值电流模式控制周期对周期电流限制
  • 110 - V输入启动调节剂对UCC2891 / 3
  • TrueDrive™2水槽,2甲源输出
  • 精确的线路UV和OV阈值线
  • Programmable slope compensation
  • 1.0 - MHz的同步的振荡器
  • Precisely programmable maximum duty cycle
  • Programmable soft-start
  • apply
    • 150瓦到700瓦开关电源
    • 高效率,低EMI / RFI的脱线或DC / DC转换器
    • 服务器,48 V电信,数据通信
    • 高电源转换器,液晶电视和等离子电视

 

 

andUCC2894DRelated ICs are:


Model Manufacturers lot number encapsulation illustrate
UCC2894D TI 09+ SOP-14 Current mode active clamping PWM controller

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