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TPS40131 - SYNCHRONOUS BUCK CONTROLLER

General Description

The TPS40131 is a two-phase synchronous buck controller that is optimized for low-output voltage, high-output current applications powered from a supply between 1 V and 40 V.

Key Features

  • Supports 5-V Output.
  • Two-Phase Interleaved Operation.
  • Operates With Pre-Biased Outputs.
  • 1-V to 40-V Power Stage Operation Range.
  • Requires VIN5 @ 50 mA (typ) Depending on External MOSFETs and Switching Frequency.
  • 10-μA Shutdown Current.
  • Programmable Switching Frequency up to 1 MHz/Phase.
  • Current Mode Control with Forced Current Sharing.
  • Better than 1% Internal 0.7-V Reference.
  • Resistive Divider Sets Direct.

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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 TPS40131 SLVS635 – FEBRUARY 2007 TWO-PHASE, SYNCHRONOUS BUCK CONTROLLER WITH INTEGRATED MOSFET DRIVERS FEATURES • Supports 5-V Output • Two-Phase Interleaved Operation • Operates With Pre-Biased Outputs • 1-V to 40-V Power Stage Operation Range • Requires VIN5 @ 50 mA (typ) Depending on External MOSFETs and Switching Frequency • 10-μA Shutdown Current • Programmable Switching Frequency up to 1 MHz/Phase • Current Mode Control with Forced Current Sharing • Better than 1% Internal 0.7-V Reference • Resistive Divider Sets Direct Output Over Voltage Threshold.