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    首页产品索引NCS1002

    NCS1002

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     Secondary-Side Controller, Constant Current, Constant Voltage

    制造商:ON

    中文数据手册

    产品信息

    The NCS1002 Constant Voltage and Constant Current Secondary Controller is a highly integrated solution for Switching Mode Power Supply (SMPS) applications requiring a dual control loop to perform Constant Voltage (CV) and Constant Current (CC) regulation. The NCS1002 integrates a 2.5 V voltage reference and two precision op amps. The voltage reference, along with Op Amp 1, is the core of the voltage control loop. Op Amp 2 is an independent, uncommitted amplifier specifically designed for the current control.Key external components needed to complete the two control loops are: (a)A resistor dividerthat senses the output of the power supply (battery charger) and fixes the voltage regulation set point at the specified value. (b) A sense resistor that feeds the current sensing circuit with a voltage proportional to the DC output current. This resistor determines the current regulation set point and must be adquately rated in terms of power dissipation. The NCS1002 comes in a small 8-pin SOIC package and is ideal for space-shrunk applications such as battery chargers.
    • Low Input Offset Voltage: 0.5mV, Typ
    • Input Common-Mode Range includes Ground.
    • Low Quiescent Current: 300uA per op amp at Vcc=5V.
    • Wide Power Supply Range: 3V to 32V

    在线购买

    型号制造商描述购买
    NCS1002DR2GONSecondary-Side Controller PMIC 8-SOIC 立即购买

    技术资料

    标题类型大小(KB)下载
    Constant Voltage/ Constant Current Secondary-Side ControllerPDF180 点击下载
    A Constant Current Adjustable 0.7 A to 1.5 A, Up to 55 Vdc Single Stage Power Factor Corrected LED Power SupplyPDF186 点击下载
    SOIC-8 Narrow BodyPDF61 点击下载

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