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LM2747 - Synchronous Buck Controller

General Description

The LM2747 is a high-speed synchronous buck regulator controller with a feedback voltage accuracy of ±1%.

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

Key Features

  • 1.
  • 2 ±1% Feedback Voltage Accuracy Over Temperature.
  • Switching Frequency from 50 kHz to 1 MHz.
  • Switching Frequency Synchronize Range 250 kHz to 1 MHz.
  • Startup with a Pre-Biased Output Load.
  • Power Stage Input Voltage from 1V to 14V.
  • Control Stage Input Voltage from 3V to 6V.
  • Output Voltage Adjustable Down to 0.6V.
  • Power Good Flag and Shutdown.
  • Output Overvoltage and Undervoltage Detection.
  • Low-Side Adjustable.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LM2747 www.ti.com SNVS370B – MARCH 2006 – REVISED MARCH 2013 LM2747 Synchronous Buck Controller with Pre-Bias Startup, and Optional Clock Synchronization Check for Samples: LM2747 FEATURES 1 •2 ±1% Feedback Voltage Accuracy Over Temperature • Switching Frequency from 50 kHz to 1 MHz • Switching Frequency Synchronize Range 250 kHz to 1 MHz • Startup with a Pre-Biased Output Load • Power Stage Input Voltage from 1V to 14V • Control Stage Input Voltage from 3V to 6V • Output Voltage Adjustable Down to 0.6V • Power Good Flag and Shutdown • Output Overvoltage and Undervoltage Detection • Low-Side Adjustable Current Sensing • Adjustable Soft-Start • Tracking and Sequencing with Shutdown and Soft Start Pins • 14-Pin TSSOP Package APPLICATIONS • Down Conversion from 3.