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    首页产品索引NCP1341

    NCP1341

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     High-Voltage, Quasi-Resonant, Controller Featuring Valley Lock-Out Switching with Power Excursion Mode (PEM)

    制造商:ON

    中文数据手册

    产品信息

    The NCP1341 is a highly integrated quasi−resonant flyback controller suitable for designing high−performance off−line power converters. With an integrated active X2 capacitor discharge feature, the NCP1341 can enable no−load power consumption below 30 mW.The quasi−resonant current−mode flyback stage features a proprietary valley−lockout circuitry, ensuring stable valley switching. This system works down to the 6th valley and transitions to a frequency foldback mode to reduce switching losses. As the load decreases further, the NCP1341 enters quiet−skip mode to manage the power delivery.The NCP1341 integrates power excursion mode (PEM) to minimize transformer size in designs requiring high transient load capability. If transient load capability is not desired, the NCP1340 offers the same performance and features without PEM.To help ensure converter ruggedness, the NCP1341 implements several key protective features such as internal brownout detection, a non−dissipative Over Power Protection (OPP) for constant maximum output power regardless of input voltage, a latched over voltage and NTC−ready over-temperature protection through a dedicated pin, and line removal detection to safely discharge the X2 capacitors when the line is removed.
    • QR Frequency Jittering
    • New Quiet-Skip Technology
    • Integrated HV Startup with Brownout Protection
    • Valley Switching Operation with Valley Lockout
    • Integrated X2 Capacitor Discharge Capability
    • NTC Compatible Fault Pin
    • High Drive Capability: -500 mA / +800 mA
    • Latch input for OVP and OTP implementations
    • Power Excursion Mode (PEM)

    在线购买

    型号制造商描述购买
    NCP1341B4D1R2G-- 立即购买
    NCP1341B1DR2G-- 立即购买
    NCP1341B1D1R2G-- 立即购买
    NCP1341A1D1R2G-- 立即购买

    技术资料

    标题类型大小(KB)下载
    SOIC9 NBPDF53 点击下载
    SOIC-8 Narrow BodyPDF61 点击下载
    High-Voltage, Quasi-Resonant Controller featuring Valley Lock-Out SwitchingPDF1153 点击下载
    NCP1341GEVB Bill of Materials (ROHS Compliant)PDF49 点击下载
    NCP1341GEVB Gerber Layout Files (Zip Format)RAR123 点击下载
    NCP1341GEVB SchematicPDF172 点击下载
    NCP1341GEVB Test ProcedurePDF116 点击下载

    应用案例更多案例

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