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    首页产品索引NCP1622

    NCP1622

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     Power Factor Controller, Enhanced Light Load Efficiency

    制造商:ON

    中文数据手册

    产品信息

    The 6-pin PFC controller NCP1622 is designed to drive PFC boost stages. It is based on an innovative Valley Synchronized Frequency Fold-back (VSFF) method.In this mode, the circuit classically operates in Critical conduction Mode (CrM) when control voltage exceeds a programmable value Vctrl,FF. When Vcontrol is below this preset level Vctrl,FF, the NCP1622 (versions [B**] and [D**]) linearly decays the frequency down to about 30 kHz untilVcontrolreaches the SKIP mode threshold. VSFF maximizes the efficiency at both nominal and light load.In particular, the stand-by losses are reduced to a minimum. Like in FCCrM controllers, internal circuitry allows near-unity power factor even when the switching frequency is reduced. Housed in a TSOP6 package, the circuit also incorporates the features necessary for robust and compact PFC stages, with few external components.
    • Critical Conduction Mode with frequency foldback
    • Valley Synchronized Frequency Fold-back (VSFF)
    • Works with or without a transformerw/ ZCD winding
    • Dynamic Response Enhancer

    在线购买

    型号制造商描述购买
    NCP1622DCCSNT1G-- 立即购买
    NCP1622BECSNT1G-- 立即购买
    NCP1622BCCSNT1G-- 立即购买

    技术资料

    标题类型大小(KB)下载
    TSOP-6PDF62 点击下载
    Good Practice for the NCP1602 CSZCD Pin Design and PCB LayoutPDF200 点击下载
    How to Use Auxiliary Winding Voltage for Biasing the NCP1602 CSZCD PinPDF478 点击下载
    Enhanced, High-Efficiency Power Factor ControllerPDF230 点击下载
    NCP1622GEVB Bill Of Materials (ROHS Compliant)PDF227 点击下载
    NCP1622GEVB Gerber Layout Files (Zip Format)RAR1722 点击下载
    NCP1622GEVB SchematicPDF66 点击下载
    NCP1622GEVB Test ProcedurePDF294 点击下载

    应用案例更多案例

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