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Open rack server (ORv3) power supply unit (PSU)

Products and reference designs
Block diagram

Open rack server (ORv3) power supply unit (PSU)

Block diagram

Overview

Our integrated circuits and reference designs help you create compact rack and server power supply units (PSUs) with 48-V of high-energy efficiency across a wide-load range aimed to meet 80+ titanium standards.

Design requirements

  • Higher efficiency (80+ titanium) across 20-80% load range with soft-switching, bridgeless PFC or GaN.
  • Compact size and high power density for data-center applications.
  • Digital solution with PMBus for scalability and connectivity.
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Technical documentation

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Type Title Date
White paper Simplifying Power Conversion in High-Voltage Systems PDF | HTML Nov 9, 2023
Application note Digital Isolator Design Guide (Rev. G) PDF | HTML Sep 13, 2023
Analog design Journal Achieving high converter efficiency with an active clamp in a PSFB converter PDF | HTML Mar 13, 2023
Analog design Journal Improve power density with a baby boost converter in a PFC circuit PDF | HTML Jun 9, 2022
Application note Thermal Considerations for Designing a GaN Power Stage (Rev. B) Aug 4, 2020
White paper Impact of an isolated gate driver (Rev. A) Feb 20, 2019
Application brief Overcurrent Protection in High-Density GaN Power Designs PDF | HTML Oct 19, 2018
Analog design Journal A comparative analysis of topologies for a bridgeless-boost PFC circuit Jun 22, 2018
White paper Design considerations of GaN devices for improving power converter efficiency Nov 20, 2017
Analog design Journal Control challenges in a totem-pole PFC Apr 26, 2017
Analog design Journal How to reduce current spikes at AC zero-crossing for totem-pole PFC Oct 30, 2015
White paper A comprehensive methodology to qualify the reliability of GaN products Mar 2, 2015

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