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Low dose failures of hardened DC-DC power converters

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dc.contributor.author Lehman, J. en_US
dc.contributor.author Yui, C. en_US
dc.contributor.author Rax, B. G. en_US
dc.contributor.author Miyahira, T. F. en_US
dc.contributor.author Weideman, M. en_US
dc.contributor.author Schrick, P. en_US
dc.contributor.author Swift, G. M. en_US
dc.contributor.author Johnston, A. H. en_US
dc.date.accessioned 2004-09-17T06:45:39Z
dc.date.available 2004-09-17T06:45:39Z
dc.date.issued 2002-07-15 en_US
dc.identifier.citation NSREC 2002 en_US
dc.identifier.citation Phoenix, AZ, USA en_US
dc.identifier.clearanceno 02-1613 en_US
dc.identifier.uri http://hdl.handle.net/2014/9400
dc.description.abstract Box-level total dose testing of the FOG (Fiber Optic Gyro) by IXSEA at ESA's GammabeamFacility were abruptly terminated at 8krad (Si) due to catastrophic failure (complete shutdown). This was unexpected because all components within the gyro were supposedly radiation tolerant. Further testing showed that the components responsible for the failure were two DC-DC converters, manufactured by Interpoint, that stopped regulating shortly before shutdown. This paper summarizes diagnostic test results for the converters to determine the underlying cause of the unexpected failure at low levels of radiation. en_US
dc.format.extent 3186415 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US
dc.subject.other Interpoint Rad-hard DC-DC power converter TC4426 MOSFET driver en_US
dc.title Low dose failures of hardened DC-DC power converters en_US


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