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    首頁(yè)產(chǎn)品索引NCP1230

    NCP1230

    購(gòu)買收藏
    ?PWM Controller, Fixed Frequency, Current Mode

    制造商：ON

    中文數(shù)據(jù)手冊(cè)

    產(chǎn)品信息

    The NCP1230 represents a major leap towards achieving low standby power in medium-to-high power Switched-Mode Power Supplies such as notebook adapters, off-line battery chargers and consumer electronics equipment. Housed in a compact 8-pin package (SO-8 or PDIP-7), the NCP1230 contains all needed control functionality to build a rugged and efficient power supply. The NCP1230 is a current mode controller with internal ramp compensation. Among the unique features offered by the NCP1230 is an event management scheme that can disable the front-end PFC circuit during standby, thus reducing the no load power consumption.The NCP1230 itself goes into cycle skipping at light loads while limiting peak current (to 25% of nominal peak) so that no acoustic noise is generated. The NCP1230 has a high-voltage start-up circuit that eliminates external components and reduces power consumption. The NCP1230 also features an internal latching function that can be used for OVP protection. This latch is triggered by pulling the CS pin above 3.0 V and can only be reset by pulling VCC to ground. True overload protection, internal 2.5 ms soft start, internal leading edge blanking, internal frequency dithering for low EMI are some of the other important features offered by the NCP1230.
    • Current?Mode Operation with Internal Ramp Compensation
    • Internal High?Voltage Start?Up Current Source for Loss Less Start?Up
    • Extremely Low No?Load Standby Power
    • Skip?Cycle Capability at Low Peak Currents
    • Direct Connection to PFC Controller for Improved No?Load Standby Power
    • Internal 2.5 ms Soft Start
    • Internal Leading Edge Blanking
    • Latched Primary Overcurrent and Overvoltage Protection
    • Short?Circuit Protection Independent of Auxiliary Level
    • Internal Frequency Jittering for Improved EMI Signature
    • +500 mA/?800 mA Peak Current Drive Capability
    • Available in Three Frequency Options: 65 kHz, 100 kHz, and 133 kHz
    • Direct Optocoupler Connection
    • SPICE Models Available for TRANsient and AC Analysis
    • Pb-Free Packages are Available

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    在線購(gòu)買

    型號(hào)制造商描述購(gòu)買
    NCP1230P133GON 立即購(gòu)買
    NCP1230P100GON 立即購(gòu)買
    NCP1230P65GONIC CTRLR PWM SMPS OVP OCP 7DIP 立即購(gòu)買
    NCP1230D133R2GONIC CTLR PWM SMPS 133KHZ 8-SOIC 立即購(gòu)買
    NCP1230D165R2GON 立即購(gòu)買
    NCP1230D100R2GONConverter Offline Flyback Topology 100kHz 8-SOIC 立即購(gòu)買

    技術(shù)資料

    標(biāo)題類型大?。↘B）下載
    PWM Controller, Fixed Frequency, Current ModePDF236 點(diǎn)擊下載
    NCP1230 Applications NotePDF101 點(diǎn)擊下載
    NCP1230 Spice ModelRAR3072 點(diǎn)擊下載
    Offline Buck Converter with Tapped Inductor Improves PerformancePDF100 點(diǎn)擊下載
    Stability Analysis in Multiple Loop SystemsPDF213 點(diǎn)擊下載
    SOIC-8 Narrow BodyPDF61 點(diǎn)擊下載
    PDIP-7 (PDIP-8 LESS PIN 7)PDF33 點(diǎn)擊下載
    SOIC 7 CASE OUTLINEPDF60 點(diǎn)擊下載

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