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    首頁產(chǎn)品索引NCP1366

    NCP1366

    購買收藏
    ?Low Power Offline Constant Current PWM Current-Mode Controller with High Voltage Startup Current Source

    制造商：ON

    中文數(shù)據(jù)手冊

    產(chǎn)品信息

    The NCP1366 offers a new solution targeting output power levels from a few watts up to 20 W in a universal-mains flyback application.Thanks to a novel method this new controller saves the secondary feedback circuitry for constant current regulation while achieving excellent line and load regulation with traditional opto coupler and TL431 voltage reference.The NCP1366 operates in valley lockout quasi-resonant peak current mode control mode at high load to provide high efficiency. When the power on the secondary side starts to diminish, the controller automatically adjusts the duty-cycle then at lower load the controller enters in pulse frequency modulation at fixed peak current with a valley switching detection. This technique allows keeping the output regulation with tiny dummy load. Valley lockout at the first 4 valleys prevent valley jumping operation and then a valley switching at lower load provides high efficiency.
    • 560-V Startup Current Source
    • No frequency clamp, 80 or 110 kHz Maximum Switching Frequency
    • Quasi-Resonant with Valley Switching Operation
    • Fixed Peak Current & Deep frequency foldback @ light load operation
    • Wide Operation VCC range (up to 28 V)
    • Cycle by Cycle peak current limit
    • CS & Vs/ZCD pin Short and Open Protection
    • Internal Temperature Shutdown
    • Constant Current Primary-side feedback eliminates secondary controller
    • ±10% Current Regulation
    • Clamped Gate-drive Output for Mosfet
    • Build-in soft-sart
    • Low Start-up current ( 2 μA typ.)
    • Less than 10 mW No-Load Performance at High Line with NCP1366 version
    • Less than 30 mW No-Load Performance at High Line with NCP1361 version
    • These are Pb-Free Devices

    在線購買

    型號制造商描述購買
    NCP1366EABAYDR2G-- 立即購買
    NCP1366BABCYDR2G-- 立即購買
    NCP1366BABAYDR2G-- 立即購買
    NCP1366AABAYDR2G-- 立即購買

    技術資料

    標題類型大?。↘B）下載
    SOIC 7 CASE OUTLINEPDF60 點擊下載
    Low Power Offline Constant PWM Current-Mode Controler with/without High Voltage Startup Current SourcePDF354 點擊下載
    Universal AC Input, 5.3 V, 2 A Output, 10.6 W Charger Using NCP1360PDF1373 點擊下載

    應用案例更多案例

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