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TPS54120 - 1-A Power Supply

Description

The TPS54120 combines the high-efficiency of a step-down switching (dc-dc) converter with a high power-supply rejection (PSR), low-noise, low-dropout regulator (LDO) to provide an ultra low-noise power supply that delivers quiet power rails to noisesensitive applications.

Features

  • 1.
  • Low-Noise Output: 17 µVRMS at 100 Hz to 1 MHz.
  • Wide Input Voltage Range: 4.5 V to 17 V.
  • High Efficiency: 72% at 1 A, 12V Input.
  • Excellent Load/Line Transient Response.
  • Synchronizable to External Clock: 200 kHz to 1.2 MHz.
  • Small Package: 3.5 mm × 5.5 mm QFN-24.

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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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TPS54120 www.ti.com SBVS180C – JANUARY 2012 – REVISED JUNE 2012 Low-Noise, 1-A Power Supply with Integrated DC-DC Converter and Low-Dropout Regulator FEATURES 1 • Low-Noise Output: 17 µVRMS at 100 Hz to 1 MHz • Wide Input Voltage Range: 4.5 V to 17 V • High Efficiency: 72% at 1 A, 12V Input • Excellent Load/Line Transient Response • Synchronizable to External Clock: 200 kHz to 1.2 MHz • Small Package: 3.5 mm × 5.
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