DC-DC converters in 0.35μm CMOS technology

In view of the upgrade of the LHC experiments, we are developing custom DC/DC converters for a more efficient power distribution scheme. A new prototype have been integrated in ASICs in the selected 0.35 mu m commercial high voltage technology that has been successfully tested for all radiation effe...

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Bibliographic Details
Published inJournal of instrumentation Vol. 7; no. 1; pp. C01072 - 11
Main Authors Michelis, S, Allongue, B, Blanchot, G, Faccio, F, Fuentes, C, Orlandi, S, Saggini, S, Cengarle, S, Ongaro, F
Format Journal Article
LanguageEnglish
Published IOP Publishing 01.01.2012
Subjects
Assembly
CMOS
Converters
Direct current
Instrumentation
Packages
Prototypes
Regulators
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Summary:In view of the upgrade of the LHC experiments, we are developing custom DC/DC converters for a more efficient power distribution scheme. A new prototype have been integrated in ASICs in the selected 0.35 mu m commercial high voltage technology that has been successfully tested for all radiation effects: TID, displacement damage and Single Event Burnout. This converter has been optimized for high efficiency and improved radiation tolerance. Amongst the new features the most relevant are the presence of internal linear regulators, protection circuits with a state-machine and a new pinout for a modified assembly in package in order to reduce conductive losses. This paper illustrates the design of the prototype followed by functional and radiation tests.
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ISSN:1748-0221
1748-0221
DOI:10.1088/1748-0221/7/01/C01072