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TPS54239 - 2-A Synchronous Step-Down Converter

General Description

The TPS54239 is an adaptive on-time D-CAP2™ mode synchronous buck converter.

The TPS54239 enables system designers to complete the suite of various end-equipment power bus regulators with a cost effective, low component count, low standby current solution.

Key Features

  • 1.
  • 23 D-CAP2™ Mode Enables Fast Transient Response.
  • Low Output Ripple and Allows Ceramic Output Capacitor.
  • Wide VIN Input Voltage Range: 4.5 V to 23 V.
  • Output Voltage Range: 0.76 V to 7.0 V.
  • Highly Efficient Integrated FETs Optimized for Lower Duty Cycle.

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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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TPS54239 www.ti.com SLVSBT0 – JANUARY 2013 4.5V to 23V Input, 2-A Synchronous Step-Down SWIFT™ Converter Check for Samples: TPS54239 FEATURES 1 •23 D-CAP2™ Mode Enables Fast Transient Response • Low Output Ripple and Allows Ceramic Output Capacitor • Wide VIN Input Voltage Range: 4.5 V to 23 V • Output Voltage Range: 0.76 V to 7.0 V • Highly Efficient Integrated FETs Optimized for Lower Duty Cycle Applications – 140 mΩ (High Side) and 70 mΩ (Low Side) • High Efficiency, less than 10 μA at shutdown • High Initial Bandgap Reference Accuracy • Adjustable Soft Start • Pre-Biased Soft Start • 600-kHz Switching Frequency (fSW) • Cycle By Cycle Over Current Limit DESCRIPTION The TPS54239 is an adaptive on-time D-CAP2™ mode synchronous buck converter.