Reliability Data Report Product Family R544 LTC2655 / LTC2934 / LTC2935 / LTC2941 / LTC2942 / LTC2970 / LTC2974 / LTC2975 / LTC2977 / LTC2978 / LTC2990 / LTC2991 / LTC2995 / LTC2996 / LTC2997 Reliability Data Report Report Number: R544 Report generated on: Wed Apr 09 10:16:15 PDT 2014 OPERATING LIFE TEST PACKAGE TYPE QFN/DFN SOIC/SOT/MSOP Totals SAMPLE SIZE 767 385 1,152 OLDEST DATE NEWEST DATE K DEVICE HRS 1 CODE CODE (+125°C) 0619 0929 - 1237 1112 - 587 578 1,165 No. of FAILURES 2,3 0 0 0 HIGHLY ACCELERATED STRESS TEST AT +130 DEG C / 85% RH PACKAGE TYPE BGA 15X15 QFN/DFN Totals SAMPLE SIZE 306 88 394 OLDEST DATE NEWEST DATE K DEVICE HRS No. of FAILURES 4 CODE CODE (+85°C) 1302 1106 - 1302 1141 - 883 218 1,101 0 0 0 K DEVICE HRS No. of FAILURES PRESSURE COOKER TEST AT 15 PSIG , +121 DEG C PACKAGE TYPE SAMPLE SIZE QFN/DFN SOIC/SOT/MSOP Totals 794 76 870 OLDEST DATE NEWEST DATE CODE CODE 0839 0843 - 1314 0843 - 51 12 63 0 0 0 OLDEST DATE NEWEST DATE K DEVICE No. of FAILURES CODE CODE CYCLES 1211 - 1302 - 366 366 0 0 OLDEST DATE NEWEST DATE K DEVICE No. of FAILURES CODE CODE CYCLES 0839 0843 - 1314 1025 - 366 48 414 0 0 0 OLDEST DATE NEWEST DATE K DEVICE No. of FAILURES CODE CODE CYCLES 1211 - 1302 - 356 356 TEMP CYCLE FROM -55 TO 125 DEG C PACKAGE TYPE SAMPLE SIZE BGA 15X15 Totals 366 366 TEMP CYCLE FROM -65 TO 150 DEG C PACKAGE TYPE SAMPLE SIZE QFN/DFN SOIC/SOT/MSOP Totals 991 176 1,167 THERMAL SHOCK FROM -55 TO 125 DEG C PACKAGE TYPE SAMPLE SIZE BGA 15X15 Totals 356 356 (1) Assumes Activation Energy = 0.7 Electron Volts (2) Failure Rate Equivalent to +55 °C, 60% Confidence Level =10.17 FITS (3) Mean Time Between Failure in Years = 11223.75 (4) Assumes 20X Acceleration from 85 °C to +130 °C Note 1: 1 FIT = 1 Failure in One Billion Hours. Note 2: HAST, Temp Cycle & Thermal Shock are subjected to J-STD-020 MSL Preconditioning 0 0 Reliability Data Report Report Number: R544 Report generated on: Wed Apr 09 10:16:15 PDT 2014 THERMAL SHOCK FROM -65 TO 150 DEG C PACKAGE TYPE SAMPLE SIZE QFN/DFN SOIC/SOT/MSOP Totals 1000 177 1,177 OLDEST DATE NEWEST DATE K DEVICE No. of FAILURES CODE CODE CYCLES 0839 0843 - 1314 1025 - 374 48 422 0 0 0 OLDEST DATE NEWEST DATE K DEVICE HRS No. of FAILURES CODE CODE 1211 0843 0937 - 1302 0843 1314 - 357 50 113 520 0 0 0 0 OLDEST DATE NEWEST DATE K DEVICE HRS No. of FAILURES CODE CODE 0937 - 1236 - 179 179 0 0 HIGH TEMPERATURE BAKE AT 150 DEG C PACKAGE TYPE SAMPLE SIZE BGA 15X15 SOIC/SOT/MSOP QFN/DFN Totals 357 50 227 634 HIGH TEMPERATURE BAKE AT 175 DEG C PACKAGE TYPE SAMPLE SIZE QFN/DFN Totals 204 204