R494 Reliability Data

Reliability Data Report
Product Family R494
LTC997 / LTC6903 / LTC6904 /
LTC6905 / LTC6906 / LTC6907 /
LTC6908 / LTC6909 / LTC6930 /
LTC6990 / LTC6991 / LTC6992 /
LTC6993 / LTC6994 / LTC6995
Reliability Data Report
Report Number: R494
Report generated on: Tue Mar 11 16:40:13 PDT 2014
OPERATING LIFE TEST
PACKAGE TYPE
SOIC/SOT/MSOP
QFN/DFN
Totals
SAMPLE SIZE
1324
77
1,401
OLDEST DATE
NEWEST DATE
K DEVICE HRS
1
CODE
CODE
(+125°C)
0415
0630
-
1319
0630
-
1019
77
1,096
No. of FAILURES
2,3
0
0
0
HIGHLY ACCELERATED STRESS TEST AT +130 DEG C / 85% RH
PACKAGE TYPE
SOIC/SOT/MSOP
Totals
SAMPLE SIZE
154
154
OLDEST DATE
NEWEST DATE
K DEVICE HRS
No. of FAILURES
4
CODE
CODE
(+85°C)
1146
-
1146
-
406
406
0
0
K DEVICE HRS
No. of FAILURES
PRESSURE COOKER TEST AT 15 PSIG , +121 DEG C
PACKAGE TYPE
SAMPLE SIZE
QFN/DFN
SOIC/SOT/MSOP
Totals
378
4550
4,928
OLDEST DATE
NEWEST DATE
CODE
CODE
0602
0438
-
1122
1324
-
41
207
248
0
0
0
OLDEST DATE
NEWEST DATE
K DEVICE
No. of FAILURES
CODE
CODE
CYCLES
0606
0438
-
1122
1321
-
76
498
574
0
0
0
OLDEST DATE
NEWEST DATE
K DEVICE
No. of FAILURES
CODE
CODE
CYCLES
0438
0602
-
1321
0826
-
513
66
579
0
0
0
OLDEST DATE
NEWEST DATE
K DEVICE HRS
No. of FAILURES
CODE
CODE
0822
-
0908
-
79
79
0
0
TEMP CYCLE FROM -65 TO 150 DEG C
PACKAGE TYPE
SAMPLE SIZE
QFN/DFN
SOIC/SOT/MSOP
Totals
348
3865
4,213
THERMAL SHOCK FROM -65 TO 150 DEG C
PACKAGE TYPE
SAMPLE SIZE
SOIC/SOT/MSOP
QFN/DFN
Totals
4038
300
4,338
HIGH TEMPERATURE BAKE AT 150 DEG C
PACKAGE TYPE
SAMPLE SIZE
SOIC/SOT/MSOP
Totals
79
79
(1) Assumes Activation Energy = 0.7 Electron Volts
(2) Failure Rate Equivalent to +55 °C, 60% Confidence Level =10.77 FITS
(3) Mean Time Between Failure in Years = 10599.46
(4) Assumes 20X Acceleration from 85 °C to +130 °C
Note 1: 1 FIT = 1 Failure in One Billion Hours.
Note 2: HAST, Temp Cycle & Thermal Shock are subjected to J-STD-020 MSL Preconditioning
Reliability Data Report
Report Number: R494
Report generated on: Tue Mar 11 16:40:13 PDT 2014
HIGH TEMPERATURE BAKE AT 175 DEG C
PACKAGE TYPE
SAMPLE SIZE
SOIC/SOT/MSOP
Totals
100
100
OLDEST DATE
NEWEST DATE
CODE
CODE
1301
-
1317
-
K DEVICE HRS
No. of FAILURES
50
50
0
0