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Article
Title Radiation Resistant DC- DC Power Conversion with Voltage Ratios > 10 Capable of Operating in High Magnetic Field for LHC Upgrade Detectors
Author(s) Dhawan, S (Yale U.) ; Baker, O (Yale U.) ; Khanna, R (Nat. Semiconductor Corp., Richardson) ; Kierstead, J (Brookhaven) ; Lynn, D (Brookhaven) ; Mincer, A (New York U.) ; Musso, C (New York U.) ; Rescia, S (Brookhaven) ; Smith, H (Yale U.) ; Tipton, P (Yale U.) ; Weber, M (Brookhaven)
In: Proceedings of the Topical Workshop on Electronics for Particle Physics, pp.508-512
DOI 10.5170/CERN-2008-008.508
Subject category Detectors and Experimental Techniques
Abstract Commercial power converters that have voltage ratios greater than ten and are capable of running near the LHC collision region would increase the efficiency of the power distribution system of the ATLAS Silicon Tracker high luminosity upgrade. The devices must operate in a high magnetic field (2 T) and be radiation hard to  50-100 Mrad and  1015 Neq/cm2. These converters are to be mounted on the same multi-chip modules as the ASIC readout chips or in close vicinity without introducing any additional readout noise due to the high switching frequencies. Such devices will permit higher voltage power delivery to the tracker and thus increase overall power efficiency by limiting the ohmic losses in the stretch of cable (about 100 meters) between the tracker and the power sources.



 Record created 2009-02-05, last modified 2016-11-22


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