RELIABILITY DATA LTC5549 9/22/2015 • OPERATING LIFE TEST PACKAGE TYPE SAMPLE SIZE OLDEST DATE CODE QFN 154 1450 154 • HIGHLY ACCELERATED STRESS TEST AT +130°C/85%RH PACKAGE TYPE SAMPLE SIZE OLDEST DATE CODE QFN 77 1450 77 • PRESSURE COOKER TEST AT 15 PSIG, +121°C PACKAGE TYPE SAMPLE SIZE QFN 141 141 • TEMP CYCLE FROM -65°C to +150°C PACKAGE TYPE SAMPLE SIZE QFN 154 154 • HIGH TEMPERATURE BAKE AT 150˚C PACKAGE TYPE QFN SAMPLE SIZE NEWEST DATE CODE 1450 NEWEST DATE CODE 1450 1450 OLDEST DATE CODE NEWEST DATE CODE 154 1450 154 • THERMAL SHOCK FROM -65°C to +150°C SAMPLE SIZE 1450 OLDEST DATE CODE QFN PACKAGE TYPE NEWEST DATE CODE 1450 OLDEST DATE CODE NEWEST DATE CODE 1450 1450 OLDEST DATE CODE NEWEST DATE CODE 154 1450 1450 154 (1) Assumes Activation Energy = 0.7 Electron Volts (2) Failure Rate Equivalent to +55°C, 60% Confidence Level = 76.45 FITS (3) Mean Time Between Failures in Years = 1,493 (4) Assumes 20X Acceleration from 85°C to +130°C Note: 1 FIT = 1 Failure in One Billion Hours. Form: 00-03-6209B. K DEVICE HOURS (1) AT +125°C 154.00 154.00 K DEVICE (4) HOURS AT +85°C 293.76 293.76 NUMBER OF (2) FAILURES 0 0 NUMBER OF FAILURES 0 0 NUMBER OF FAILURES K DEVICE HOURS 47.38 47.38 K DEVICE CYCLES 154.00 154.00 K DEVICE CYCLES 154.00 154.00 K DEVICE HOURS 154.00 154.00 0 0 NUMBER OF FAILURES 0 0 NUMBER OF FAILURES 0 0 NUMBER OF FAILURES 0 0 Rev 1