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LM2743 Datasheet synchronous buck controller

Manufacturer: Texas Instruments

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General Description

The LM2743 is a high-speed synchronous buck regulator controller with an accurate feedback voltage accuracy of ±2%.

It can provide simple down conversion to output voltages as low as 0.6 V.

Though the control sections of the IC are rated for 3 V to 6 V, the driver sections are designed to accept input supply rails as high as 16 V.

Overview

Product Folder Order Now Technical Documents Tools & Software Support & Community LM2743 SNVS276I – APRIL 2004 – REVISED FEBRUARY 2019 LM2743 2.

Key Features

  • 1 Power stage input voltage from 1 V to 16 V.
  • Control stage input voltage from 3 V to 6 V.
  • Output voltage adjustable down to 0.6 V.
  • Power-good flag and shutdown.
  • Output overvoltage and undervoltage detection.
  • ±2% Feedback voltage accuracy over temperature.
  • Low-side adjustable current sensing.
  • Adjustable soft start.
  • Tracking and sequencing with shutdown and soft- start pins.
  • Switching frequency from 50 kHz t.

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