MSK5978RH, MSK5980RH RAD Hard Positive Adjustable Voltage Regulator Total Dose Radiation Test Report

2022-11-10
●Introduction
■The total dose radiation test plan for the MSK5978RH was developed to qualify the devices as RAD Hard to 300 KRADS(Si). The testing was performed beyond 300 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 MSK 5980RH uses the same active components and package material.
■The data herein is from direct measurement of the MSK5978RH response to total dose irradiation, but is indicative of the response of both device types.
■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 MSK5978RH and MSK5980RH.
●Summary
■Based on the test data recorded during radiation testing and statistical analysis, the MSK5978RH and MSK5980RH qualified as a 300 Krad(Si) radiation hardened device. The Set Pin Currents exhibited the most significant change with irradiation, however all performance curves stayed within specification up to 450 Krad(Si) TID.

TTM Technologies

MSK5978RHMSK5980RHMSK5978VRH

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RAD Hard Positive Adjustable Voltage Regulator

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Test Report

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March 29, 2017

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