ART2K View Datasheet(PDF) - International Rectifier
Part Name
Description
MFG CO.
'ART2K' PDF : 12 Pages View PDF
ART28XXT SERIES
Radiation Performance
The radiation tolerance characteristics inherent in the
ART28XXT converter are the direct result of a carefully
planned ground-up design program with specific radiation
design goals. After identification of the general circuit
topology, a primary task of the design effort was selection
of appropriate elements from the list of devices for which
extensive radiation effects data was available. By imposing
sufficiently large margins on those electrical parameters
subject to the degrading effects of radiation, designers
were able to select appropriate elements for incorporation
into the circuit. Known radiation data was utilized for input
to PSPICE and RadSPICE in the generation of circuit
performance verification analyses. Thus, electrical
performance capability under all environmental conditions
including radiation was well understood before first
application of power to the inputs.
performance variations. In the few instances where such
margins were not assured, element lots were selected
from which die were fabricated (and characterized) as
radiation hard devices so that realization of the design
goals could be assured.
Completion of first article fabrication, screening and
standard environmental testing was followed by radiation
testing to confirm design goals. All design goals were met
handily and in most cases exceeded by large margin.
These test samples were built with elements that, with the
foregoing exceptions, were not screened for radiation
characteristics. Additional radiation tests on subsequent
ART28XXT manufacturing lots provide continued
confirmation of the soundness of the design goals as well
as justification for the element selection criteria.
A principal design goal was a converter topology that, The following table specifies guaranteed minimum radiation
because of large design margins, had radiation performance exposure levels tolerated while maintaining specification
essentially independent of normal elemental lot radiation limits.
Radiation Performance Characteristics
Test Inspection
Method
Min Typ
Unit
MIL-PRF-883, Method 1019
Total Ionizing Dose (Gamma) Operating bias applied during exposure,
Full Rated Load, VIN = 28V
200
Dose Rate (Gamma Dot)
MIL-STD-883, Method 1023
Temporary Saturation Operating bias applied during exposure,
Survival
Full Rated Load, VIN = 28V
1E8
4E10
Neutron Fluence
MIL-STD-883, Method 1017
8E12
Heavy Ions (LET)
Single Event Effects
Operating bias applied during exposure,
SEU, SEL, SEGR, SEB
Full Rated Load, VIN = 28V
83
Test lab: Brookhaven National Laboratory,
Tandem Van de Graaff Generator
300 Krads(Si)
1E11
1E13
Rads(Si)/sec
Neutrons/cm2
MeVxcm2/mg
International Rectifier currently does not have a DLA Land and Maritime certified Radiation Hardness
Assurance Program.
Standard Periodic Inspections on ART28XXT Series
As prescribed by MIL-PRF-38534 for Option 2
Inspection
Application
Quantity
Group A
Part of Screening on Each Unit
100%
Group B
Each Inspection Lot
5 units
Group C
First Inspection Lot or
Following Class 1 Change
10 Units
Group D
In Line (Part of Element Evaluation)
www.irf.com
5
Share Link: 
