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Single Event-Induced Instability in Linear Voltage Regulators

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7 Author(s)
Adell, P.C. ; Dept. of Electr. Eng. & Comput. Sci., Vanderbilt Univ., Nashville, TN ; Witulski, A.F. ; Schrimpf, R.D. ; Marec, R.
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SET-induced oscillations were measured on a stable linear-regulator that uses the LM124 op-amp in its regulation block. Simulations showed that single events act as stimuli that initiate a large-signal oscillation in the LM124 differential amplifier and compensation capacitor path. Laser testing validated the analysis and confirmed that transistors connected to the compensation capacitor are the most vulnerable

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Nuclear Science, IEEE Transactions on  (Volume:53 ,  Issue: 6 )