MSK 5940 RH Series RAD Hard Negative Voltage Regulator Total Dose Radiation Test Report
■The total dose radiation test plan for the MSK 5940RH series was developed to qualify the devices as RAD Hard to 100 KRADS(Si). The testing was performed beyond 100 KRADS(Si) to show trends in device performance as a function of total dose. The test does not classify maximum radiation tolerance of the device, but simply offers designers insight to the critical parameter-shifts up to the specified total dose level.
■The internal active components are the same for the entire MSK 5940RH series and therefore, the MSK 5940-5.0RH was chosen to be representative of the entire product series.
■MIL-STD-883 Method 1019.7 and ASTM F1892-06 were used as guidelines in the development and implementation of the total dose test plan for the MSK 5940RH series.
●Summary
■All devices showed a slight decrease in quiescent current.
■Output voltage tolerance exhibited the most significant shifts due to irradiation. The most notable changes were seen at low input voltage and low output current. In addition, the ground devices changed more than the biased devices. It is important to note however, that all devices maintained pre-irradiation output tolerance levels throughout irradiation.
■Line and load regulation displayed some shift, once again with ground devices being more significant. However, as with output voltage tolerance, all devices stayed within pre-irradiation limits throughout testing.
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Test Report |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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September 25, 2008 |
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29 KB |
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