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TPS54973 - 9-A OUTPUT SYNCHRONOUS BUCK SWITCHER

General Description

As a member of the SWIFT™ family of dc/dc regulators, the TPS54973 low-input voltage high-output current synchronous buck PWM converter integrates all required active components.

Key Features

  • D 15-mΩ MOSFET Switches for High Efficiency at 9-A Continuous Output Source or Sink Current D Disabled Current Sinking During Start-Up D 0.9-V to 2.5-V Adjustable Output Voltage Range With 1.0% Accuracy D Wide PWM Frequency: Fixed 350 kHz, 550 kHz or Adjustable 280 kHz to 700 kHz D Synchronizable to 700 kHz D Load Protected by Peak Current Limit and Thermal Shutdown D Integrated Solution Reduces Board Area and Component Count.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.ti.com Typical Size 6,4 mm X 9,7 mm TPS54973 SLVS453A − FEBRUARY 2003 − REVISED FEBRUARY 2005 3-V TO 4-V INPUT, 9-A OUTPUT SYNCHRONOUS BUCK SWITCHER WITH DISABLED SINKING DURING START-UP FEATURES D 15-mΩ MOSFET Switches for High Efficiency at 9-A Continuous Output Source or Sink Current D Disabled Current Sinking During Start-Up D 0.9-V to 2.5-V Adjustable Output Voltage Range With 1.