RELIABILITY DATA LT1521 / LT1528 / LT1529 / LT1579 8/21/2006 • OPERATING LIFE TEST PACKAGE TYPE SAMPLE SIZE OLDEST DATE CODE SOIC/SOT/MSOP SSOP/TSSOP DD PACK TO-220 535 9526 39 9740 50 0042 158 9526 782 • PRESSURE COOKER TEST AT 15 PSIG, +121°C PACKAGE TYPE SAMPLE SIZE NEWEST DATE CODE 9822 9529 9847 9541 9529 9822 0606 0101 0609 0412 OLDEST DATE CODE NEWEST DATE CODE 46 5,348 100 1,300 690 7,484 • TEMP CYCLE FROM -65°C to +150°C SAMPLE SIZE SOIC/SOT/MSOP SSOP/TSSOP DD PACK TO-220 4,490 75 4,954 1,150 10,669 • THERMAL SHOCK FROM -65°C to +150°C PACKAGE TYPE SAMPLE SIZE K DEVICE HOURS (1) AT +125°C 9911 9740 0042 9526 OLDEST DATE CODE PLASTIC DIP SOIC/SOT/MSOP SSOP/TSSOP DD PACK TO-220 PACKAGE TYPE NEWEST DATE CODE 9529 0101 9529 9552 0606 0117 0609 0412 OLDEST DATE CODE NEWEST DATE CODE 819.71 19.44 8.40 316.00 1,163.55 K DEVICE HOURS 11.83 715.69 29.55 32.40 45.18 834.65 K DEVICE CYCLES 1,530.50 40.80 594.49 115.00 2,280.79 K DEVICE CYCLES SOIC/SOT/MSOP DD PACK TO-220 3,390 9606 0606 1,248 9842 0609 350 9917 0412 4,988 (1) Assumes Activation Energy = 1.0 Electron Volts (2) Failure Rate Equivalent to +55°C, 60% Confidence Level = 1.58 FITS (3) Mean Time Between Failures in Years = 72,201 Note: 1 FIT = 1 Failure in One Billion Hours. Form: 00-03-6209B. R321 979.51 124.80 35.00 1,139.31 NUMBER OF (2) FAILURES 0 0 0 0 0 NUMBER OF FAILURES 0 0 0 0 0 0 NUMBER OF FAILURES 0 0 0 0 0 NUMBER OF FAILURES 0 0 0 0 Rev 24