• DocumentCode
    158033
  • Title

    Power solution for DDR memory in space applications

  • Author

    Mansilla, Oscar ; Thomson, Eric

  • Author_Institution
    Intersil Corp., Palm Bay, FL, USA
  • fYear
    2014
  • fDate
    1-8 March 2014
  • Firstpage
    1
  • Lastpage
    10
  • Abstract
    This paper describes a radiation hardened by design (RHBD) BUCK switching regulator (Intersil´s ISL70003SEH) designed specifically to address powering DDR memory in space applications. Salient features of the design, operation, performance, and radiation characteristics are presented. A report on an example application powering DDR memory is provided. The application utilizes two ISL70003SEH to provide both the main supply (VDDQ) and termination supply (VTT) at 2.5 volt and 1.25 volt respectively from a system bus which may be 3.3V, 5V or 12V input supply. The voltage mode control of the ISL70003SEH provides the necessary ability to source and sink current required for VTT termination.
  • Keywords
    DRAM chips; power aware computing; BUCK switching regulator; DDR memory; RHBD; VTT termination; power solution; sink current; source current; space applications; termination supply; voltage mode control; Ions; Nickel; Rails; Switches; Voltage control;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Aerospace Conference, 2014 IEEE
  • Conference_Location
    Big Sky, MT
  • Print_ISBN
    978-1-4799-5582-4
  • Type

    conf

  • DOI
    10.1109/AERO.2014.6836177
  • Filename
    6836177
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=158033