RELIABILITY DATA LT1580 / 1581 / 1584 / 1585 / 1587 8/21/2006 • OPERATING LIFE TEST PACKAGE TYPE SAMPLE SIZE OLDEST DATE CODE DD PACK TO-220 NEWEST DATE CODE 15 9542 915 9426 930 • HIGHLY ACCELERATED STRESS TEST AT +131°C/85%RH PACKAGE TYPE SAMPLE SIZE OLDEST DATE CODE DD PACK TO-220 30 9708 380 9533 410 • PRESSURE COOKER TEST AT 15 PSIG, +121°C PACKAGE TYPE SAMPLE SIZE DD PACK TO-220 6,939 11,210 18,149 • TEMP CYCLE FROM -65°C to +150°C PACKAGE TYPE SAMPLE SIZE DD PACK TO-220 SAMPLE SIZE NEWEST DATE CODE 9441 9443 0617 0521 OLDEST DATE CODE NEWEST DATE CODE OLDEST DATE CODE 19.15 1,136.92 1,156.07 K DEVICE (4) HOURS AT +85°C 9722 9723 NEWEST DATE CODE 17,973 9441 15,997 9504 33,970 • THERMAL SHOCK FROM -65°C to +150°C PACKAGE TYPE 9542 0014 OLDEST DATE CODE DD PACK TO-220 K DEVICE HOURS (1) AT +125°C 100.80 669.80 770.60 K DEVICE HOURS 174.34 346.30 520.63 K DEVICE CYCLES 0617 0521 NEWEST DATE CODE 1,783.30 1,609.70 3,393.00 K DEVICE CYCLES 3,900 9533 0617 5,686 9443 0521 9,586 (1) Assumes Activation Energy = 1.0 Electron Volts (2) Failure Rate Equivalent to +55°C, 60% Confidence Level = 1.59 FITS (3) Mean Time Between Failures in Years = 71,747 (4) Assumes 20X Acceleration from 85°C to +131°C Note: 1 FIT = 1 Failure in One Billion Hours. Form: 00-03-6209B. R385 390.00 568.60 958.60 NUMBER OF (2) FAILURES 0 0 0 NUMBER OF FAILURES 0 0 0 NUMBER OF FAILURES 0 0 0 NUMBER OF FAILURES 0 0 0 NUMBER OF FAILURES 0 0 0 Rev 23