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          帕智電子(上海)有限公司

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          SGM6014

          1.4MHz, 2A Synchronous Step-Down Converter
           
          1.4MHz, 2A Synchronous Step-Down Converter
          GENERAL DESCRIPTION

          The SGM6014 is a high efficiency monolithic synchronous step-down regulator using 1.4MHz constant frequency, current mode architecture. The device is available in an adjustable version. It is ideal for portable equipment requiring very high current up to 2A from single-cell Li-Ion batteries while still achieving over 95% efficiency during peak load conditions. The SGM6014 can enter pulse frequency modulation (PFM) (low IQ) mode with typically 55μA quiescent current for highest light load efficiency to maximize battery life.

          The SGM6014 also can run at 100% duty cycle for low dropout operation, extending battery life in portable systems while light load operation provides very low output ripple for noise sensitive applications. It can supply up to 2A output load current from a 2.5V to 5.5V input voltage and the output voltage can be regulated as low as 1.2V. The high switching frequency (1.4MHz) minimizes the size of external components while keeping switching losses low. The internal slope compensation setting allows the device to operate with smaller inductor values to optimize size and provide efficient operation.

          SGM6014 is available in both adjustable and 3.3V fixed output voltage versions; in a Green TDFN-3×3-10L package. It is rated over the -40 to +85 temperature range.

          PIN CONFIGURATIONS

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          FEATURES
          • High Efficiency: Up to 95%

          • 2.5V to 5.5V Input Voltage Range

          • 1.4MHz Constant Frequency Operation

          • 2A Output Current

          • 3.3V Fixed and Adjustable Output Voltages

          • 100% Duty Cycle for Lowest Dropout

          • Less than 2μA Shutdown Current

          • Low Quiescent Current: 55μA in PFM Mode

          • Low RDS(ON) Internal Switches: 0.135Ω

          • Allows Use of Ceramic Capacitors

          • Current Mode Control for Excellent Line and Load Transient Response

          • Internal Soft-Start Protection

          • Short Circuit and Thermal Protection

          • -40 to +85 Operating Temperature Range

          • Available in a Green TDFN-3×3-10L Package

          APPLICATIONS

          PDA, Pocket PC and Smart Phones

          USB Powered Modems

          CPUs and DSPs

          PC Cards and Notebooks

          Cellular Phones

          Digital Cameras

          DSP Core Supplies

          Portable Instruments

          ORDERING INFORMATION
          Part NumberStatusPackagePinsPb-FreeTemp Range
          SGM6014-ADJYTD10G/TRProductionTDFN-3×3-10L10Y-40℃ to +85℃
          SGM6014-3.3YTD10G/TRProductionTDFN-3×3-10L10Y-40℃ to +85℃

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