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SGM6012

1.6MHz, 800mA Synchronous Step-Down Converter
 
1.6MHz, 800mA Synchronous Step-Down Converter
GENERAL DESCRIPTION

The SGM6012 is a 1.6MHz, constant frequency, current mode, synchronous, step-down switching regulator. It can deliver 800mA load current from 2.5V to 5.5V input voltage, and output voltage can be as low as 0.6V.

High switching frequency minimizes the sizes of inductor and capacitor. Integrated power MOSFETs and internal compensation make the SGM6012 simple to use and fit the total solution in a compact space.

The SGM6012 can also run at 100% duty cycle for low dropout operation, extending battery life in portable system. The synchronous architecture eliminates the external Schottky diode, and achieves over 90% of the power conversion efficiency. Low output ripple voltage at light load, 30μA quiescent current and less than 1μA of shutdown current make SGM6012 the ideal power supply solution for portable applications.

SGM6012 is available in both adjustable and fixed (1.2V, 1.8V, 3.3V) output voltage versions. It is in a Green TSOT-23-5 package. It is rated over the -40 to +85 temperature range.

PIN CONFIGURATIONS

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FEATURES
  • High Efficiency: Up to 95%

  • 30μA Low Quiescent Current at Light Load

  • 800mA Output Current

  • Input Voltage Range: 2.5V to 5.5V

  • 1.2V, 1.8V and 3.3V Fixed and Adjustable Output Voltages

  • 0.6V Reference Voltage

  • 1.6MHz Constant Switching Frequency

  • Less than 1μA Shutdown Current

  • 100% Duty Cycle for Lowest Dropout

  • No External Power MOSFETs and Schottky Diode Required

  • Excellent Line Regulation and Load Transient Response

  • -40 to +85 Operating Temperature Range

  • Available in a Green TSOT-23-5 Package

APPLICATIONS

GPS

MP3 Players

Cellular, Smart Phones

Digital Book Readers

Digital Still Cameras

Portable Instruments

Wireless and DSL Modems

Battery Powered Equipments

Microprocessor, DSP Power Supplies

ORDERING INFORMATION
Part NumberStatusPackagePinsPb-FreeTemp Range
SGM6012-1.2YTN5G/TRProductionTSOT-23-55Y-40℃ to +85℃
SGM6012-1.8YTN5G/TRProductionTSOT-23-55Y-40℃ to +85℃
SGM6012-3.3YTN5G/TRProductionTSOT-23-55Y-40℃ to +85℃
SGM6012-ADJYTN5G/TRProductionTSOT-23-55Y-40℃ to +85℃

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