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TPS54478 - 4.5-A Synchronous Step-Down Converter

Description

The TPS54478 device is a full featured 6-V, 4-A, synchronous step down current mode converter with two integrated MOSFETs.

Features

  • 1 Two 30-mΩ (typical) MOSFETs for High Efficiency at 4-A Loads.
  • 200-kHz to 2-MHz Switching Frequency.
  • 0.6-V ± 1% Voltage Reference Over Temperature (.
  • 40°C to +150°C).
  • Start-up With Prebiased Voltage.
  • Synchronizes to External Clock.
  • Adjustable Slow Start / Sequencing.
  • UV and OV Power-Good Output.
  • Cycle by Cycle Current Limit and Hiccup Current Protection.
  • Thermally Enhanced 3-mm × 3-mm 16-Pin WQFN (RTE).

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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 Order Now Technical Documents Tools & Software Support & Community Reference Design TPS54478 SLVSAS2B – JUNE 2011 – REVISED APRIL 2018 TPS54478 2.95-V to 6-V Input, 4-A Synchronous Step-Down SWIFT™ Converter With Hiccup Current Limit 1 Features •1 Two 30-mΩ (typical) MOSFETs for High Efficiency at 4-A Loads • 200-kHz to 2-MHz Switching Frequency • 0.
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