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TPS54424 Datasheet 4-a Synchronous Step-down Converter

Manufacturer: Texas Instruments

Overview: Product Folder Order Now Technical Documents Tools & Software Support & Community TPS54424 SLVSDV8 – JULY 2017 TPS54424 4.

General Description

The TPS54424 is a full-featured 17-V (19-V maximum), 4-A synchronous step-down DC/DC converter in a 3.5 mm × 3.5 mm HotRod™ QFN package.

The device is optimized for small solution size through high efficiency and integrating the high-side and low-side MOSFETs.

Further space savings are achieved through peak current mode control, which reduces component count, and by selecting a high switching frequency, reducing the inductor footprint.

Key Features

  • 1 Small 3.5-mm × 3.5-mm HotRod™ QFN Package.
  • Integrated 14.1-mΩ and 6.1-mΩ MOSFETs.
  • Peak Current Mode Control With Fast Transient Response.
  • 200-kHz to 1.6-MHz Fixed Switching Frequency.
  • Synchronizes to External Clock.
  • 0.6-V Voltage Reference ±0.85% Over Temperature.
  • 0.6-V to 12-V Output Voltage Range.
  • Hiccup Current Limit.
  • Safe Start-Up into Pre-Biased Output Voltage.
  • Adjustable Soft Start and Power Sequenc.

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