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TPS54229 - 2-A Synchronous Step-Down Converter

Description

The TPS54229 is an adaptive on-time D-CAP2™ mode synchronous buck converter.

TheTPS54229 enables system designers to complete the suite of various end equipment’s power bus regulators with a cost effective, low component count, low standby current solution.

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 18 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

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TPS54229 www.ti.com SLVSAZ8A – SEPTEMBER 2011 – REVISED MARCH 2012 4.5V to 18V INPUT, 2-A SYNCHRONOUS STEP DOWN CONVERTER WITH INTEGRATED FET Check for Samples: TPS54229 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 18 V • Output Voltage Range: 0.76 V to 7.0 V • Highly Efficient Integrated FETs Optimized for Lower Duty Cycle Applications – 160 mΩ (High Side) and 110 mΩ (Low Side) • High Efficiency, Less Than 10 μA at Shutdown • High Initial Bandgap Reference Accuracy • Adjustable Soft Start • Pre-Biased Soft Start • 650-kHz Switching Frequency (fSW) • Cycle By Cycle Over Current Limit DESCRIPTION The TPS54229 is an adaptive on-time D-CAP2™ mode synchronous buck converter.
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