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          SGM6623

          4.4A, Miniature Boost Converter
           
          4.4A, Miniature Boost Converter
          GENERAL DESCRIPTION

          The SGM6623 is a general-purpose miniature boost DC/DC switching regulator with high-efficiency for battery-backup and standby power systems. The acceptable input voltage range is between 0.8V and 12V that can be converted to a regulated 3.3V to 13V output voltage with efficiency as high as 90%. SGM6623 can be used as backup charger for systems with 1- to 4-cell batteries. It operates at a 590kHz nominal switching frequency, allowing the use of small and low-profile inductor for compact design. It also has several built-in protection features, such as cycle-by-cycle over-current limit, soft-start, thermal shutdown and open loop over-voltage protection.

          The SGM6623 is available in a Green SOT-23-6 package.

          PIN CONFIGURATIONS

          6623.png

          FEATURES
          • 0.8V to 12V Input Voltage Range

          • 3.3V to 13V Wide Output Voltage Range

          • 4.4A Current Limited Integrated Switch

          • Up to 90% Efficiency

          • 590kHz Nominal Fixed Switching Frequency with Pulse Skipping at Light Loads

          • Built-In Soft-Start Function

          • Open Loop Over-Voltage Protection

          • Enable Input Pin

          • 47μA Typical Quiescent Current (to VS Pin)

          • 0.4μA Typical Supply Current in Shutdown

          • Available in a Green SOT-23-6 Package

          APPLICATIONS

          Cell Phones

          Portable Equipment

          Hand-Held Instruments

          1-, 2-, 3- or 4-Cell Battery Systems

          ORDERING INFORMATION
          Part NumberStatusPackagePinsPb-FreeTemp Range
          SGM6623YN6G/TRProductionSOT-23-66Y-40℃ to +85℃

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