RELIABILITY DATA LT1524 / LT1525 / LT3524 / LT3525 8/21/2006 • OPERATING LIFE TEST PACKAGE TYPE SAMPLE SIZE OLDEST DATE CODE CERDIP PLASTIC DIP NEWEST DATE CODE 686 8343 412 8352 1,098 • HIGHLY ACCELERATED STRESS TEST AT +131°C/85%RH PACKAGE TYPE SAMPLE SIZE OLDEST DATE CODE PLASTIC DIP 187 9107 187 • PRESSURE COOKER TEST AT 15 PSIG, +121°C PACKAGE TYPE SAMPLE SIZE PLASTIC DIP SOIC/SOT/MSOP 1,119 139 1,258 • TEMP CYCLE FROM -65°C to +150°C PACKAGE TYPE SAMPLE SIZE CERDIP PLASTIC DIP SOIC/SOT/MSOP SAMPLE SIZE NEWEST DATE CODE 8352 9111 9807 9422 OLDEST DATE CODE NEWEST DATE CODE OLDEST DATE CODE 1,712.22 1,006.01 2,718.23 K DEVICE (4) HOURS AT +85°C 9324 NEWEST DATE CODE 482 8406 171 9107 90 9111 743 • THERMAL SHOCK FROM -65°C to +150°C PACKAGE TYPE 9404 9813 OLDEST DATE CODE CERDIP PLASTIC DIP SOIC/SOT/MSOP K DEVICE HOURS (1) AT +125°C 482.44 482.44 NEWEST DATE CODE 96.35 5.50 101.84 K DEVICE CYCLES 42.80 162.76 11.16 216.72 K DEVICE CYCLES 362 8406 9935 134 9107 9236 90 9111 9120 586 (1) Assumes Activation Energy = 1.0 Electron Volts (2) Failure Rate Equivalent to +55°C, 60% Confidence Level = 0.68 FITS (3) Mean Time Between Failures in Years = 167,760 (4) Assumes 20X Acceleration from 85°C to +131°C Note: 1 FIT = 1 Failure in One Billion Hours. Form: 00-03-6209B. R139 0 0 0 NUMBER OF FAILURES 0 0 NUMBER OF FAILURES K DEVICE HOURS 9935 9937 9120 NUMBER OF (2) FAILURES 5.43 31.40 9.00 45.83 1 0 1 NUMBER OF FAILURES 0 0 0 0 NUMBER OF FAILURES 0 0 0 0 Rev 20