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    FR9889經典降壓芯片,代理含稅FR9889

    • 型 號:FR9889
    • 價 格:0.01    品牌名:臺灣天鈺
    • 發布時間:2020-11-06
    • 數 量:900000
    • 發貨地:福田區賽格廣場38樓
    • 發貨周期:1天
    • 聯系人:鄭瓊鋒
    • 聯系電話:13528458039
    • 瀏覽量:
    • 公司名稱:深圳市夸克微科技有限公司
    產品詳細介紹:

    FR9889經典降壓芯片,代理含稅FR9889


    Description
      The FR9889 is a synchronous step-down DC/DC converter that provides wide 4.5V to 23V input voltage range and 3A continuous load current capability. At light load condition, the FR9889 can operate at power saving mode to support high efficiency and reduce power lose.
      The FR9889 fault protection includes cycle-by-cycle current limit, UVLO, output overvoltage protection and thermal shutdown. The soft-start function prevents inrush current at turn-on. This device uses current mode control scheme which provides fast transient response. Internal compensation function reduces external compensation components and simplifies the design process. In shutdown mode, the supply current is about 1µA.
      The FR9889 is available in a SOP-8 exposed pad package, which provides good thermal conductance.
    Features
     Low RDS(ON) Integrated Power MOSFET(120mΩ /100mΩ)
     Internal Compensation Function
     Internal Power Good Function
     Wide Input Voltage Range: 4.5V to 23V
     Adjustable Output Voltage Down to 0.925V
     3A Output Current
     340kHz Switching Frequency
     External Programmable Soft-Start or Internal 600µs Soft-Start
     Cycle-by-Cycle Current Limit
     Over-Temperature Protection with Auto Recovery
     OVP, UVLO
     Hiccup Short Circuit Protection
     SOP-8 Exposed Pad Package
    Applications
     STB (Set-Top-Box)
     LCD Display, TV
     Distributed Power System
     Networking, XDSL Modem
    代理商:深圳市夸克微科技   
    鄭先生:        13528458039
    QQ  : 2867714804


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