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TPS54290 - Fully-Synchronous Buck Converter

General Description

The TPS54290, TPS54291, and TPS54292 devices are dual-output, fully synchronous buck converters capable of supporting applications with a minimal number of external components.

Key Features

  • 1 4.5-V to 18-V Input Range.
  • Output Voltage Range 0.8 V to DMAX × VIN.
  • Fully Integrated Dual Buck: 1.5 A and 2.5 A.
  • Three Fixed Switching Frequency Versions:.
  • TPS54290: 300 kHz.
  • TPS54291: 600 kHz.
  • TPS54292: 1.2 MHz.
  • Integrated UVLO.
  • 0.8 VREF With 1% Accuracy (0°C to 85°C).
  • Internal Soft Start:.
  • TPS54290: 5.2 ms.
  • TPS54291: 2.6 ms.
  • TPS54292: 1.3 ms.
  • Dual PWM Outputs 180° Ou.

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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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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS54290, TPS54291, TPS54292 SLUS973A – OCTOBER 2009 – REVISED NOVEMBER 2016 TPS5429x 1.5-A and 2.5-A Dual, Fully-Synchronous Buck Converter With Integrated MOSFET 1 Features •1 4.5-V to 18-V Input Range • Output Voltage Range 0.8 V to DMAX × VIN • Fully Integrated Dual Buck: 1.5 A and 2.5 A • Three Fixed Switching Frequency Versions: – TPS54290: 300 kHz – TPS54291: 600 kHz – TPS54292: 1.2 MHz • Integrated UVLO • 0.8 VREF With 1% Accuracy (0°C to 85°C) • Internal Soft Start: – TPS54290: 5.2 ms – TPS54291: 2.6 ms – TPS54292: 1.