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TPS54218 Datasheet Synchronous Step-Down Converter

Manufacturer: Texas Instruments

Overview: Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design TPS54218 SLVS974F – SEPTEMBER 2009 – REVISED MAY 2020 TPS54218 2.

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General Description

TheTPS54218 device is a full-featured, 6-V, 2-A, synchronous, step-down current-mode converter with two integrated MOSFETs.

The TPS54218 device enables small designs by integrating the MOSFETs, implementing current mode control to reduce external component count, reducing inductor size by enabling up to 2-MHz switching frequency, and minimizing the device footprint with a small, 3-mm × 3-mm, thermallyenhanced QFN package.

The TPS54218 device provides accurate regulation for a variety of loads with an accurate ±1% voltage reference (VREF) over temperature.

Key Features

  • 1 Two, 30-mΩ (typical) MOSFETs for high-efficiency at 2-A loads.
  • Switching frequency: 200 kHz to 2 MHz.
  • Voltage reference over temperature: 0.8 V ±1%.
  • Synchronizes to external clock.
  • Adjustable soft start/sequencing.
  • UV and OV power-good output.
  • Low operating and shutdown quiescent current.
  • Safe start-up into prebiased output.
  • Cycle-by-cycle current limit, thermal and frequency foldback protection.
  • Operatin.

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