Abstract:The aim of this paper was to determine the reasons for a complex radiation response of the commercial-off-the-shelf LM2940CT5 low-dropout voltage regulator. Examination of this circuit in a gamma-radiation environment disqualified its use when operated with relatively high output currents, while its radiation tolerance was satisfactory when load current was approximately one-tenth (or lower) of the nominal value. In order to obtain a more thorough insight into the radiation response of this integrated circuit,… Show more
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