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    首页产品索引NCP1236

    NCP1236

    购买收藏
     Controller, Fixed Frequency, Current Mode, for Flyback Converters

    制造商:ON

    中文数据手册

    产品信息

    The NCP1236 is a new fixed-frequency current-mode controller featuring Dynamic Self-Supply (DSS). This device is pin-to-pin compatible with the previous NCP12xx families.
    The DSS function greatly simplifies the design of the auxiliary supply and the VCC capacitor by activating the internal startup current source to supply the controller during transients.
    Due to frequency foldback, the controller exhibits excellent efficiency in light load condition while still achieving very low standby power consumption. Internal frequency jittering, ramp compensation, and a versatile latch input make this controller an excellent candidate for converters where component cost is the key constraint.
    In addition, the controller includes a new high voltage circuitry that combines a startup current source and a brown-out detector able to sense the input voltage either from the rectified ac line or the dc filtered bulk voltage. The high voltage sensing circuitry is used for the overpower protection purposes as well. Overpower protection, overload protection, and other protective features increase the safety and reliability of the final application.
    • Frequency Foldback then Skip Mode in light load and standby conditions
    • High voltage current source with brown-out detection and dynamic self-supply
    • Frequency Jittering
    • 4.0 ms Soft-Start
    • Adjustable Overpower Compensation
    • Latched / Autorecovery Timer-Based Overload Protection

    电路图、引脚图和封装图

    在线购买

    型号制造商描述购买
    NCP1236DD65R2GONConverter Offline Flyback Topology 65kHz 7-SOIC 立即购买
    NCP1236AD65R2GONIC CTLR CURR MODE 65KHZ 7-SOIC 立即购买
    NCP1236BD65R2GON用于反激变换器的固定频率电流模式控制器 SOIC7_150MIL 立即购买
    NCP1236BD100R2GONConverter Offline Flyback Topology 100kHz 7-SOIC 立即购买
    NCP1236AD100R2GONConverter Offline Flyback Topology 100kHz 7-SOIC 立即购买

    技术资料

    标题类型大小(KB)下载
    Fixed Frequency Current Mode Controller for Flyback ConvertersPDF237 点击下载
    NCP1236: 65 W Off-Line AdapterPDF3072 点击下载
    SOIC 7 CASE OUTLINEPDF60 点击下载
    NCP1236_PO.PNGUNKNOW9 点击下载
    NCP1236_PD.PNGUNKNOW5 点击下载
    NCP1236_AD.PNGUNKNOW144 点击下载
    Upgrading NCP1236-Based Converters with NCP1239PDF1698 点击下载
    NCP1236B65NBGEVB Bill of Materials ROHS CompliantPDF56 点击下载

    应用案例更多案例

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