Total dose effects on negative voltage regulator
Conference
·
· IEEE Transactions on Nuclear Science (Institute of Electrical and Electronics Engineers); (United States)
OSTI ID:6559236
- Matra Marconi Space, Velizy Villacoublay (France)
Functional failure at low dose level (4 Krad(Si)) on voltage regulators (LM137) from different manufacturers are analyzed. Dose rate effects on parts hardness are evaluated, showing that lowering the dose rate degrade more the IC's in the range 55 rad(Si)/s--0,8 rad(Si)/s. A failure mechanism is proposed, mainly based on circuit analysis, voltage contrast measurements, local irradiation and local electrical measurements with probe station. A SPICE simulation was performed, providing quantitative information on the degradation. In the light of such a failure analysis and dose rate effects, practical implications on radiation assurance are discussed.
- OSTI ID:
- 6559236
- Report Number(s):
- CONF-940726--
- Conference Information:
- Journal Name: IEEE Transactions on Nuclear Science (Institute of Electrical and Electronics Engineers); (United States) Journal Volume: 41:6Pt1
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
440200* -- Radiation Effects on Instrument Components
Instruments
or Electronic Systems
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
COBALT 60
COBALT ISOTOPES
COMPUTERIZED SIMULATION
DATA
ELECTRONIC CIRCUITS
EXPERIMENTAL DATA
INFORMATION
INTEGRATED CIRCUITS
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
MICROELECTRONIC CIRCUITS
MINUTES LIVING RADIOISOTOPES
NUCLEI
NUMERICAL DATA
ODD-ODD NUCLEI
PHYSICAL RADIATION EFFECTS
RADIATION EFFECTS
RADIOISOTOPES
SIMULATION
VOLTAGE REGULATORS
YEARS LIVING RADIOISOT
Instruments
or Electronic Systems
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
COBALT 60
COBALT ISOTOPES
COMPUTERIZED SIMULATION
DATA
ELECTRONIC CIRCUITS
EXPERIMENTAL DATA
INFORMATION
INTEGRATED CIRCUITS
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
MICROELECTRONIC CIRCUITS
MINUTES LIVING RADIOISOTOPES
NUCLEI
NUMERICAL DATA
ODD-ODD NUCLEI
PHYSICAL RADIATION EFFECTS
RADIATION EFFECTS
RADIOISOTOPES
SIMULATION
VOLTAGE REGULATORS
YEARS LIVING RADIOISOT