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    AW37426LGR

    AW37426 is 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, 2.2V to

    5V input voltage range. The AW37426 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 AW37426 enters peak-current-control PFM mode automatically to reduce the switching losses. In PFM mode, the quiescent current consumed by the part is reduced to 27μA for the purpose to extend the battery life.

    The device is off in Shutdown mode and reduces the supply current to 0.1μA(typical). AW37426 is available in a LGA 2.48mm X 1.77mm X 0.54mm-24L Package. The high switching frequency 6MHz allows the use of the economic size-saving external components, two ceramic capacitors and one 1μH inductor are required.


    產品特性

    l     6MHz PWM Switching Frequency at Heavy Load

    l     Input Voltage 2.2V 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     27μA PFM Quiescent Current at Light Load

    l     1.2A Output Current Capacity

    l     Cycle-by-Cycle Peak Current Limit Protection

    l     Thermal Overload Protection

    l     0.47μH to 1.5μH Small Chip Inductor in 0805 Case Size Allowed

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

    l     LGA 2.48mm X 1.77mm X 0.54mm-24L Package


    Datasheet

    Application note

    產品型號 文檔格式 大小 下載
    AW37426LGR 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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