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    AW37417FDR

    AW37417is a 6MHz DC-DC step-down converter suitable for RF power amplifiers supplied by a single battery. The device provides a regulated adjustable output voltage from   0.5V to 3.4V, 2.7V to 5V input voltage range.

    The AW37417 works in three operation modes. At heavy load, the device operates in 6MHz fixed   frequency PWM mode to minimize the RF interference. At light load, the AW37417enters peak-current-control PFM mode automatically to reduce the switching losses. In PFM mode,the quiescent current consumed by the part is  reduced to 27μAfor the purpose to extend the battery life. The device is off  in Shutdown mode and reduces the supply current to 0.1μA(typical).

    AW37417 is  available in a FCDFN 1.5mm X1.0mm X 0.55mm-6L package.The high switching frequency 6MHz allows the use of the economic size-saving external  components, two ceramic capacitors and one 0.47μH inductor are required.


    產品特性

    l    6MHz PWM Switching Frequency at Heavy Load

    l    Input Voltage 2.7V to 5V

    l    Adjustable Output Voltage 0.5V to 3.4V through VCON Voltage

    l    Automatic PWM-PFM Mode Change

    l    Spread Spectrum PWM Frequency Dithering

    l    27ìA PFM Quiescent Current at Light Load

    l    750mA Output Current Capacity

    l    Cycle-by-Cycle Peak Current Limit Protection

    l    Thermal Overload Protection

    l    Small Chip Inductor in 0805 Case Size Allowed

    l    0402 Case Size and 6.3V Ceramic Capacitor for CIN and COUT

    l    FCDFN 1.5mm X1.0mm X0.55mm-6L Package

    Datasheet

    Application note

    產品型號 文檔格式 大小 下載
    AW37417FDR PDF
    • Supply Voltage Range (V)
      IQ (uA)
      Max Load Current (A)
      Vout Range (V)
      EMI Optimization
      Package (mm)
    封裝形式 引腳數 長(mm) 寬(mm) 厚(mm) 引腳間距(mm) 散熱盤 文檔下載
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