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    首页产品索引CS51021A

    CS51021A

    购买收藏
     Enhanced Current Mode PWM Controller for Forward or Flyback (36-72 V Telecom)

    制造商:ON

    中文数据手册

    产品信息

    The CS51021 Fixed Frequency PWM Current Mode Controller family provides all necessary features required for ac-dc or dc-dc primary side control. Several features are included eliminating the additional components needed to implement them externally. In addition to low start-up current (75 µA)and high frequency operation capability, the Enhanced Current Mode PWM Controller includes overvoltage and undervoltage monitoring, externally programmable dual threshold overcurrent protection, current sense leading edge blanking, current slope compensation, accurate duty cycle control and an externally available 5.0 volt reference. The CS51021A features bidirectional synchronization capability, while the CS51022A offers a sleep mode with 100 µA maximum IC current consumption. The CS51021A/2A Enhanced Current Mode PWM Controllers are available in a SOIC-16 or TSSOP-16 lead package.
    • 75
    • A Max.Startup Current
    • Fixed Frequency Current Mode Control
    • 1.0 MHz Switching Frequency
    • Undervoltage Protection Monitor
    • Overvoltage Protection Monitor with Programmable Hysteresis
    • Programmable Dual Threshold Overcurrent Protection with Delayed Restart
    • Programmable Soft Start
    • Accurate Maximum Duty Cycle Limit
    • Programmable Slope Compensation
    • Leading Edge Current Sense Blanking
    • 1.0 A Sink/Source Gate Drive
    • Bidirectional Synchronization (CS51021A)
    • 50ns PWM Propagation Delay
    • 100 A Max Sleep Current (CS51022A)
    • Pb-Free Packages are Available

    电路图、引脚图和封装图

    在线购买

    型号制造商描述购买
    CS51021AEDR16GONCS51021 固定频率 PWM 电流模式控制器系列提供 AC-DC 或 DC-DC 初级侧控制所需的所有必要功能。其中包含几个功能,无需使用附加组件在外部实现这些功能。除低启动电流 (75 ?A) 和高频运行功能外,增强电流模式 PWM 控制器还包含过电压和欠压监控、 外部可编程双阈值过电流保护、电流感应前缘间隔、电流斜率补偿、准确占空比控制,以及一个可由外部提供的 5.0 V 电压参考。CS51021A 具有双向同步功能,而 CS51022A 睡眠模式的最大集成电路电流耗量为 100 ?A。CS51021A/2A 增强电流模式 PWM 控制器采用 SOIC-16 或 TSSOP-16 引线封装。 立即购买

    技术资料

    标题类型大小(KB)下载
    Demonstration Note for CS51021A/CS51022APDF1348 点击下载
    Enhanced Current Mode PWM Controller (36-72V Telecom)PDF129 点击下载
    SOIC 16 LEADPDF37 点击下载
    CS51021A_PKG.GIFUNKNOW4 点击下载
    CS51021A_AD.JPGUNKNOW64 点击下载

    应用案例更多案例

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