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TPS54318 Datasheet 3-a Synchronous Step-down Converter

Manufacturer: Texas Instruments

Overview: Product Folder Order Now Technical Documents Tools & Software Support & Community TPS54318 SLVS975C – SEPTEMBER 2009 – REVISED APRIL 2018 TPS54318 2.

General Description

TheTPS54318 device is a full-featured, 6-V, 3-A, synchronous, step-down current-mode converter with two integrated MOSFETs.

The TPS54318 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 x 3 mm, thermally enhanced, QFN package.

The TPS54318 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 HighEfficiency at 3-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.

More Datasheets from Texas Instruments

Part Number Description
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TPS54311-Q1 Synchronous-Buck PWM Switcher
TPS54312 Synchronous-Buck PWM Switcher
TPS54312-EP Synchronous-Buck PWM Switcher
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TPS54318 Distributor