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TPS563231 Datasheet 3-A Synchronous Step-Down Voltage Regulator

Manufacturer: Texas Instruments

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General Description

The TPS563231 is a simple, easy-to-use, 3-A synchronous step-down converter in SOT563 package.

The device is optimized to operate with minimum external component counts and also optimized to achieve low standby current.

These switch mode power supply (SMPS) devices employ D-CAP3 mode control providing a fast transient response and supporting both lowequivalent series resistance (ESR) output capacitors such as specialty polymer and ultra-low ESR ceramic capacitors with no external compensation components.

Overview

Product Folder Order Now Technical Documents Tools & Software Support & Community TPS563231 SLUSD65B – JULY 2018 – REVISED OCTOBER 2019 TPS563231 4.

Key Features

  • 1 3-A Converter integrated 95-mΩ and 55-mΩ FETs.
  • D-CAP3™ mode control with fast transient response.
  • Input voltage range: 4.5 V to 17 V.
  • Output voltage range: 0.6 V to 7 V.
  • Pulse skip mode.
  • 600-kHz switching frequency.
  • Low shutdown current Less than 12 µA.
  • 2% Feedback voltage accuracy (25ºC).
  • Startup from pre-biased output voltage.
  • Cycle-by-cycle over current limit.
  • Hiccup-mode over current protecti.

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