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Single Event Transient (SET) in Voltage Regulators

Single Event Transient (SET) in Voltage Regulators. C. Poivey, H. Kim, C. Seidleck, K. LaBel. Outline. Background Summary of recent test results RHLP4913 MSK5900. Background. Voltage regulators are sensitive to heavy ion induced Single Event Transients.

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Single Event Transient (SET) in Voltage Regulators

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  1. Single Event Transient (SET) in Voltage Regulators C. Poivey, H. Kim, C. Seidleck, K. LaBel

  2. Outline • Background • Summary of recent test results • RHLP4913 • MSK5900

  3. Background • Voltage regulators are sensitive to heavy ion induced Single Event Transients. • SET amplitude is small (<1V) because of large output capacitors used in typical applications

  4. Background 2 • SET in voltage regulators are a concern for low voltage applications (< 5V) • Overvoltages may cause destructive conditions • Undervoltage may cause functional interrupts • SET in voltage regulators are critical for FPGA RTAX • DC core absolute maximum rating: 1.6V • 1.5V core supply voltage recommended operating conditions: 1.425V min, 1.575V max

  5. Summary of test results on RHLP4913 from STM

  6. RHLP4913 from STM SET cross section curvesEffect of load

  7. RHLP4913 from STMSET cross section curvesEffect of filtering

  8. RHLP4913 from STMTypical SETs, Cout=10uF, no filter

  9. RHLP4913 from STMTypical SETs, Cout=660uF, no filter

  10. RHLP4913 from STMTypical SETs, Cout=10uF, with filter

  11. Summary of test resultson MSK5900 from MS Kennedy

  12. Summary of test resultson MSK5900 from MS Kennedy

  13. Summary of test resultson MSK5900 from MS Kennedy

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