Reliability Data Report Product Family R577 LTC4000 / LTC4020 / LTC4120 / LTC4121 Reliability Data Report Report Number: R577 Report generated on: Thu Aug 06 11:16:25 PDT 2015 OPERATING LIFE TEST PACKAGE TYPE QFN/DFN Totals SAMPLE SIZE 154 154 OLDEST DATE NEWEST DATE K DEVICE HRS CODE CODE (+125°C) 1302 - 1330 - 154 154 (1) Assumes Activation Energy = 0.7 Electron Volts (2) Failure Rate Equivalent to +55 °C, 60% Confidence Level =76.94 FITS (3) Mean Time Between Failure in Years = 1483.65 Note: 1 FIT = 1 Failure in One Billion Hours. Note 2: HAST, Temp Cycle & Thermal Shock are subjected to J-STD-020 MSL1 Preconditioning 1 No. of FAILURES 2,3 0 0