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    首頁(yè)產(chǎn)品索引NCP1365

    NCP1365

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    ?Low Power Offline Constant Current & Constant Voltage Primary Side PWM Current-Mode Controller with High Voltage Startup Current Source

    制造商：ON

    中文數(shù)據(jù)手冊(cè)

    產(chǎn)品信息

    The NCP1365 offer 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 eliminates the need for a secondary feedback circuitry (typically an opto-coupler and TL431 reference) while achieving excellent line and load regulation.The NCP1365 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.
    • No frequency clamp, 80 or 110 kHz Maximum Switching Frequency
    • Quasi-Resonant with Valley Switching Operation
    • 560-V Startup Current Source
    • Fixed Peak Current & Deep frequency foldback @ light load operation
    • Cycle by Cycle peak current limit
    • Wide Operation VCC range (up to 28 V)
    • Internal Temperature Shutdown
    • CS & Vs/ZCD pin Short and Open Protection
    • Constant Current Primary-side feedback eliminates secondary controller
    • ±10% Current Regulation
    • Build-in soft-sart
    • Low Start-up current (2.5 μA typ.)
    • Clamped Gate-drive Output for Mosfet
    • Less than 10 mW No-Load Performance

    在線購(gòu)買(mǎi)

    型號(hào)制造商描述購(gòu)買(mǎi)
    NCP1365BABCYDR2G-- 立即購(gòu)買(mǎi)
    NCP1365ACBAXDR2G-- 立即購(gòu)買(mǎi)
    NCP1365AABCYDR2G-- 立即購(gòu)買(mǎi)

    技術(shù)資料

    標(biāo)題類(lèi)型大?。↘B）下載
    SOIC 7 CASE OUTLINEPDF60 點(diǎn)擊下載
    Universal AC Input, 5.3 V 2 A Output, 10.6 W Charger Using NCP1365PDF1253 點(diǎn)擊下載
    NCP1365XS1GEVB Bill Of Materials (ROHS Compliant)PDF61 點(diǎn)擊下載
    NCP1365XS1GEVB Gerber Layout Files (Zip Format)RAR28 點(diǎn)擊下載
    NCP1365XS1GEVB Test Procedure PDF155 點(diǎn)擊下載
    NCP1365XS1GEVBGEVB SchematicPDF81 點(diǎn)擊下載
    Low Power Offline Constant Current & Constant Voltage Primary Side PWM Current-Mode Controller - NCP1365XS1GEVBUNKNOW136 點(diǎn)擊下載

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