Reliability Data Report Product Family R421 LTC1695/99 LTC1757/58 LTC1840/44 LTC1923/57/81/82 LTC3701/36/37 LTC3772/76/80/83 LTC3803/05/08/09/ LTC3822/24/36 LTC3872/73 LTC4053/54/56/57/58/59 LTC4064/68 LTC4100/4213/16 LTC4300 LTC4400/01/02/03 LTC4555 Reliability Data Report Report Number: R421 Report generated on: Thu Sep 20 13:24:14 PDT 2012 OPERATING LIFE TEST PACKAGE TYPE QFN/DFN SSOP/TSSOP SOIC/SOT/MSOP Totals SAMPLE SIZE 693 542 2426 3,661 OLDEST DATE NEWEST DATE K DEVICE HRS 1 CODE CODE (+125°C) 0213 0040 0001 - 0846 0710 0815 - 628 542 3125 4,295 No. of FAILURES 2,3 0 0 0 0 HIGHLY ACCELERATED STRESS TEST AT +131 DEG C / 85% RH PACKAGE TYPE QFN/DFN SOIC/SOT/MSOP Totals SAMPLE SIZE 48 239 287 OLDEST DATE NEWEST DATE K DEVICE HRS No. of FAILURES 4 CODE CODE (+85°C) 0651 0605 - 0651 0709 - 92 458 550 0 0 0 K DEVICE HRS No. of FAILURES PRESSURE COOKER TEST AT 15 PSIG , +121 DEG C PACKAGE TYPE SAMPLE SIZE SSOP/TSSOP SOIC/SOT/MSOP QFN/DFN Totals 13745 9119 11125 33,989 OLDEST DATE NEWEST DATE CODE CODE 0032 0031 0233 - 1112 1122 1121 - 955 669 1537 3,161 0 0 0 0 OLDEST DATE NEWEST DATE K DEVICE No. of FAILURES CODE CODE CYCLES 0233 0032 0031 - 1121 1112 1127 - 4556 1367 2501 8,424 0 0 0 0 OLDEST DATE NEWEST DATE K DEVICE No. of FAILURES CODE CODE CYCLES 0127 0308 0032 - 1112 1121 1122 - 1479 3457 1581 6,517 TEMP CYCLE FROM -65 TO 150 DEG C PACKAGE TYPE SAMPLE SIZE QFN/DFN SSOP/TSSOP SOIC/SOT/MSOP Totals 11506 3811 13580 28,897 THERMAL SHOCK FROM -65 TO 150 DEG C PACKAGE TYPE SAMPLE SIZE SSOP/TSSOP QFN/DFN SOIC/SOT/MSOP Totals 4300 9438 7916 21,654 (1) Assumes Activation Energy = 0.7 Electron Volts (2) Failure Rate Equivalent to +55 °C, 60% Confidence Level =0.43 FITS (3) Mean Time Between Failure in Years = 267454.41 (4) Assumes 20X Acceleration from 85 °C to +131 °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 page 1 0 0 0 0 Reliability Data Report Report Number: R421 Report generated on: Thu Sep 20 13:24:14 PDT 2012 HIGH TEMPERATURE BAKE AT 175 DEG C PACKAGE TYPE SAMPLE SIZE SSOP/TSSOP QFN/DFN SOIC/SOT/MSOP Totals 721 281 246 1,248 OLDEST DATE NEWEST DATE K DEVICE HRS No. of FAILURES CODE CODE 0727 0611 0930 - 0950 1141 1127 - 547 256 198 1,001 0 0 0 0 OLDEST DATE NEWEST DATE K DEVICE HRS No. of FAILURES CODE CODE 0930 0825 - 0930 1013 - 25 350 375 0 0 0 HIGH TEMPERATURE BAKE AT 150 DEG C PACKAGE TYPE SAMPLE SIZE SSOP/TSSOP QFN/DFN Totals 50 350 400 page 2