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TPS54377 - 3-A SYNCHRONOUS STEP-DOWN CONVERTER

Description

As a member of the SWIFT™ family of dc/dc regulators, the TPS54377 low-input-voltage high-output-current synchronous-buck PWM converter integrates all required active components.

Features

  • 1.
  • 2 60-mΩ MOSFET Switches for High Efficiency at 3-A Continuous Output Current.
  • Adjustable Output Voltage Down to 0.9 V With 1% Accuracy.
  • Switching Frequency: Adjustable From 280 kHz to 1600 kHz.
  • Disabled Current Sinking During Start-Up.
  • Fast Transient Response.
  • Load Protected by Peak Current Limit and Thermal Shutdown.
  • Integrated Solution Reduces Board Area and Total Cost.
  • Spacing Saving 4mm x 5mm QFN Packaging.
  • Fo.

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Full PDF Text Transcription

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TPS54377 www.ti.com SLVS779 – SEPTEMBER 2007 1.6 MHz, 3-V TO 6-V INPUT, 3-A SYNCHRONOUS STEP-DOWN SWIFT™ CONVERTER WITH DISABLED SINKING DURING START-UP FEATURES 1 •2 60-mΩ MOSFET Switches for High Efficiency at 3-A Continuous Output Current • Adjustable Output Voltage Down to 0.9 V With 1% Accuracy • Switching Frequency: Adjustable From 280 kHz to 1600 kHz • Disabled Current Sinking During Start-Up • Fast Transient Response • Load Protected by Peak Current Limit and Thermal Shutdown • Integrated Solution Reduces Board Area and Total Cost • Spacing Saving 4mm x 5mm QFN Packaging • For SWIFT Documentation, Application Notes, and Design Software, see the TI website at www.ti.com/swift APPLICATIONS • Low-Voltage, High-Density Systems With Power Distributed at 5 V or 3.
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