RELIABILITY DATA LTC5598 8/26/2010 • OPERATING LIFE TEST PACKAGE TYPE SAMPLE SIZE OLDEST DATE CODE QFN/DFN 151 0901 151 (6) • PRESSURE COOKER TEST AT 15 PSIG, +121°C PACKAGE TYPE SAMPLE SIZE SOIC/SOT/MSOP QFN/DFN 77 558 635 • TEMP CYCLE FROM -65°C to +150°C (6) PACKAGE TYPE SAMPLE SIZE NEWEST DATE CODE 0706 0639 0706 0850 OLDEST DATE CODE NEWEST DATE CODE 70 0706 555 0639 625 (6) • THERMAL SHOCK FROM -65°C to +150°C SAMPLE SIZE OLDEST DATE CODE K DEVICE HOURS (1) AT +125°C 0901 OLDEST DATE CODE SOIC/SOT/MSOP QFN/DFN PACKAGE TYPE NEWEST DATE CODE 86.94 86.94 K DEVICE HOURS 25.87 125.09 150 96 150.96 K DEVICE CYCLES 0706 0850 NEWEST DATE CODE 70.00 376.80 446.80 K DEVICE CYCLES SOIC/SOT/MSOP QFN/DFN 76 0706 0706 508 0639 0850 584 (1) Sample size is too small to provide meaningful FIT. (2) FIT by Process technology below, refer to LTC Reliability Data Pack: http://www.linear.com/designtools/quality/Rel_Data_Pack.pdf (3) Assumes Activation Energy = 0.7 Electron Volts (4) Failure Rate Equivalent to +55°C, 60% Confidence Level = 11.76 FITS (5) Mean Time Between Failures in Years = 9,703 (6) Environmental data presented for same Process Technology. Mechanical tests preceeded by J-STD-020 Preconditioning. Note: 1 FIT = 1 Failure in One Billion Hours. Form: 00-03-6209B. R543 76.00 399.00 469.00 NUMBER OF (2) FAILURES 0 0 NUMBER OF FAILURES 0 0 0 NUMBER OF FAILURES 0 0 0 NUMBER OF FAILURES 0 0 0 Rev 1