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LM21305 Datasheet Adjustable Frequency Synchronous Buck Converter

Manufacturer: Texas Instruments

Overview: Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM21305 SNVS639G – DECEMBER 2009 – REVISED DECEMBER 2015 LM21305 3-V to 18-V, 5-A, Adjustable Frequency Synchronous Buck Converter.

General Description

The LM21305 is a full-featured, 5-A, synchronous buck dc-dc converter optimized for solution size, flexibility, and high conversion efficiency.

High-power density LM21305 designs are easily achieved by virtue of monolithic integration of high-side and lowside power MOSFETs, high switching frequency, peak current-mode control, and optimized thermal desi

Key Features

  • 1 High-Efficiency Synchronous DC-DC Converter:.
  • Integrated Low RDSon Power MOSFETs.
  • Wide Input Voltage Range: 3 V to 18 V.
  • Load Current as High as 5 A.
  • Switching Frequency: 300 kHz to 1.5 MHz.
  • External Frequency Synchronization.
  • Accurate 0.598-V Feedback Voltage Reference.
  • Ultra-Fast Line and Load Transient Response:.
  • Peak Current-Mode Control.
  • Internal Slope Compensation.
  • High-Bandwidth Error Ampl.

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