Reliability Data Report Product Family R554 LTC2946 / LTC2956 / LTC2965 / LTC2966 / LT4180 Reliability Data Report Report Number: R554 Report generated on: Fri Apr 24 10:46:08 PDT 2015 OPERATING LIFE TEST PACKAGE TYPE QFN/DFN SSOP/TSSOP SOIC/MSOP Totals SAMPLE SIZE 314 77 157 548 OLDEST DATE NEWEST DATE K DEVICE HRS 1 No. of FAILURES 2,3 CODE CODE (+125°C) 1350 0905 1413 - 1418 0905 1420 - 394 77 344 815 0 0 0 0 K DEVICE HRS No. of FAILURES PRESSURE COOKER TEST AT 15 PSIG , +121 DEG C PACKAGE TYPE SAMPLE SIZE SSOP/TSSOP Totals 50 50 OLDEST DATE NEWEST DATE CODE CODE 1007 - 1007 - 2 2 0 0 OLDEST DATE NEWEST DATE K DEVICE No. of FAILURES CODE CODE CYCLES 1007 - 1007 - 5 5 0 0 OLDEST DATE NEWEST DATE K DEVICE No. of FAILURES CODE CODE CYCLES 1007 - 1007 - 5 5 TEMP CYCLE FROM -65 TO 150 DEG C PACKAGE TYPE SAMPLE SIZE SSOP/TSSOP Totals 50 50 THERMAL SHOCK FROM -65 TO 150 DEG C PACKAGE TYPE SAMPLE SIZE SSOP/TSSOP Totals 50 50 (1) Assumes Activation Energy = 0.7 Electron Volts (2) Failure Rate Equivalent to +55 °C, 60% Confidence Level =14.54 FITS (3) Mean Time Between Failure in Years = 7851.81 Note: 1 FIT = 1 Failure in One Billion Hours. Note 2: HAST, Temp Cycle & Thermal Shock are subjected to J-STD-020 MSL1 Preconditioning 0 0