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    首頁產(chǎn)品索引CS51021A

    CS51021A

    購買收藏
    ?Enhanced Current Mode PWM Controller for Forward or Flyback (36-72 V Telecom)

    制造商：ON

    中文數(shù)據(jù)手冊

    產(chǎn)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

    電路圖、引腳圖和封裝圖

    在線購買

    型號制造商描述購買
    CS51021AEDR16GONCS51021 固定頻率 PWM 電流模式控制器系列提供 AC-DC 或 DC-DC 初級側(cè)控制所需的所有必要功能。其中包含幾個功能，無需使用附加組件在外部實現(xiàn)這些功能。除低啟動電流 (75 ?A) 和高頻運(yùn)行功能外，增強(qiáng)電流模式 PWM 控制器還包含過電壓和欠壓監(jiān)控、 外部可編程雙閾值過電流保護(hù)、電流感應(yīng)前緣間隔、電流斜率補(bǔ)償、準(zhǔn)確占空比控制，以及一個可由外部提供的 5.0 V 電壓參考。CS51021A 具有雙向同步功能，而 CS51022A 睡眠模式的最大集成電路電流耗量為 100 ?A。CS51021A/2A 增強(qiáng)電流模式 PWM 控制器采用 SOIC-16 或 TSSOP-16 引線封裝。 立即購買

    技術(shù)資料

    標(biāo)題類型大?。↘B）下載
    Demonstration Note for CS51021A/CS51022APDF1348 點擊下載
    Enhanced Current Mode PWM Controller (36-72V Telecom)PDF129 點擊下載
    SOIC 16 LEADPDF37 點擊下載
    CS51021A_PKG.GIFUNKNOW4 點擊下載
    CS51021A_AD.JPGUNKNOW64 點擊下載

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