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TPS546C23 Datasheet Stackable Synchronous Buck Converters

Manufacturer: Texas Instruments

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General Description

The TPS546C23 devices are PMBus 1.3 Compliant, non-isolated DC/DC converters with integrated FETs, capable of high-frequency operation and 35-A current output from a 7-mm × 5-mm package.

Two TPS546C23 devices can be paralleled together to provide up to 70-A load.

Current sensing is realized by sampling a small portion of the power stage current and independent on the device temperature.

Overview

Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design TPS546C23 SLUSCC7C – JULY 2016 – REVISED JUNE 2018 TPS546C23 4.

Key Features

  • 1 PMBus™ 1.3 Compliant Converters: 35 A.
  • 2-Device Stackable for up to 70 A With Current Sharing.
  • Input Voltage Range: 4.5 V to 18 V.
  • Output Voltage Range: 0.35 V to 5.5 V.
  • Integrated 3.2-mΩ and 1.4-mΩ Stacked NexFET™ Power Stage.
  • 350-mV to 1650-mV Reference for Adaptive Voltage Scaling (AVS) Function and Margining through PMBus.
  • 0.5% Reference Accuracy at 600 mV and Above.
  • Lossless Low-Side MOSFET Current Sensing.
  • V.

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