R492 Reliability Data

RELIABILITY DATA
LTC5100 / LTC2240 / 2241 / 2242
8/21/2006
• OPERATING LIFE TEST
PACKAGE
DEVICE
TYPE
TYPE
PACKAGE
SAMPLE
SIZE
TYPE
OLDEST
LEAD
DATE
COUNT
CODE
QFN/DFN
234
0408
234
• HIGHLY ACCELERATED STRESS TEST AT +131°C/85%RH
PACKAGE
TYPE
SAMPLE
SIZE
OLDEST
DATE CODE
QFN/DFN
50
0408
50
• PRESSURE COOKER TEST AT 15 PSIG, +121°C
PACKAGE
TYPE
SAMPLE
SIZE
QFN/DFN
252
252
• TEMP CYCLE FROM -65°C to +150°C
PACKAGE
TYPE
SAMPLE
SIZE
QFN/DFN
279
279
• THERMAL SHOCK FROM -65°C to +150°C
PACKAGE
TYPE
QFN/DFN
SAMPLE
SIZE
NEWEST
DATE
DATE
CODE
CODE
DEVICE
#KOF
LEADS
HOURS (1)
TESTED
AT +125°C
0626
NEWEST
DATE CODE
234.00
234.00
K DEVICE
(4)
HOURS
AT +85°C
0408
OLDEST
DATE CODE
NEWEST
DATE CODE
0313
0633
OLDEST
DATE CODE
NEWEST
DATE CODE
0321
0544
OLDEST
DATE CODE
NEWEST
DATE CODE
168.00
168.00
0
0
NUMBER
OF
FAILURES
0
0
NUMBER
OF
FAILURES
K DEVICE
HOURS
84.82
84.82
K DEVICE
CYCLES
241.11
241.11
K DEVICE
CYCLES
281
0313
0544
281
(1) Assumes Activation Energy = 0.7 Electron Volts
(2) Failure Rate Equivalent to +55°C, 60% Confidence Level = 50.58 FITS
(3) Mean Time Between Failures in Years = 2,255
(4) Assumes 20X Acceleration from 85°C to +131°C
Note: 1 FIT = 1 Failure in One Billion Hours.
Form: 00-03-6209B. R492
NUMBER
NUMBER
OF
OF (2)
FAILURES
FAILURES
242.50
242.50
0
0
NUMBER
OF
FAILURES
0
0
NUMBER
OF
FAILURES
0
0
Rev 4