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TPS55383 - DUAL NON-SYNCHRONOUS CONVERTER

Description

The TPS55383 and TPS55386 are dual output, non-synchronous buck converters capable of supporting 3-A output applications that operate from a 4.5-V to 28-V input supply voltage, and require output voltages between 0.8 V and 90% of the input voltage.

Features

  • 1.
  • 23 4.5-V to 28-V Input Range.
  • Output Voltage 0.8 V to 90% of Input Voltage.
  • Output Current Up to 3 A.
  • Two Fixed Switching Frequency Versions:.
  • TPS55383: 300 kHz.
  • TPS55386: 600 kHz.
  • Three Selectable Levels of Overcurrent Protection (Output 2).
  • 0.8-V 1.75% Voltage Reference.
  • 2.1-ms Internal Soft Start.
  • Dual PWM Outputs 180° Out-of-Phase.
  • Ratiometric or Sequential Startup Modes.
  • Configurabl.

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Full PDF Text Transcription

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TPS55383, TPS55386 www.ti.com ......................................................................................................................................................................................... SLUS818 – SEPTEMBER 2008 3-A DUAL NON-SYNCHRONOUS CONVERTER WITH INTEGRATED HIGH-SIDE MOSFET AND EXTERNAL COMPENSATION FEATURES 1 •23 4.5-V to 28-V Input Range • Output Voltage 0.8 V to 90% of Input Voltage • Output Current Up to 3 A • Two Fixed Switching Frequency Versions: – TPS55383: 300 kHz – TPS55386: 600 kHz • Three Selectable Levels of Overcurrent Protection (Output 2) • 0.8-V 1.75% Voltage Reference • 2.
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