psb243-7ir Power-One, psb243-7ir Datasheet - Page 9

• Manufacturer Part Number: psb243-7ir
• Description: Psb Series Extended Positive Switching Regulators Rugged
• Manufacturer: Power-One

REV. OCT 17, 2003
Immunity to Environmental Conditions
Table 6: Mechanical stress
Table 7: Temperature specifications, valid for air pressure of 800 – 1200 hPa (800 – 1200 mbar)
1
Table 8: MTBF and device hours
1
Test Method
Ca
Ea
Eb
Fc
Fda
Kb
Temperature
Characteristics
T
T
T
See: Thermal Considerations
MTBF
MTBF acc. to MIL-HDBK-217F
Statistical values, based on an average of 4300 working hours per year and in general field use
C
A
S
Ambient temperature
Case temperature
Storage temperature
Damp heat
steady state
Shock
(half-sinusoidal)
Bump
(half-sinusoidal)
Vibration
(sinusoidal)
Random vibration
wide band
Reproducibility
high
Salt mist, cyclic
(sodium chloride
NaCl solution)
Standard
IEC/DIN IEC 60068-2-3
MIL-STD-810D section 507.2
IEC/EN/DIN EN 60068-2-27
MIL-STD-810D section 516.3
IEC/EN/DIN EN 60068-2-29
MIL-STD-810D section 516.3
IEC/EN/DIN EN 60068-2-6
MIL-STD-810D section 514.3
IEC 60068-2-35
DIN 40046 part 23
IEC/EN/DIN IEC 60068-2-52
Conditions
Operational
Non operational
Ground Benign
T
624 000
C
= 40°C
1
T
207 000 h
Page 9 of 13
Test Conditions
Acceleration amplitude:
Acceleration spectral density: 0.05 g
Acceleration magnitude:
Temperature:
Relative humidity:
Duration:
Acceleration amplitude:
Bump duration:
Number of bumps:
Acceleration amplitude:
Bump duration:
Number of bumps:
Frequency (1 Oct/min):
Test duration:
Frequency band:
Test duration:
Concentration:
Duration:
Storage:
Storage duration:
Number of cycles:
C
min
–25
–25
–40
= 40°C
Standard -7
Ground Fixed
Positive Switching Regulators (Rugged)
max
PSB Series Extended Data Sheet
100
71
95
T
96 000 h
C
= 70°C
40
93
56 days
100 g
6 ms
18 (3 each direction)
40 g
6 ms
6000 (1000 each direction)
0.35 mm (10 - 60 Hz)
5 g
10 - 2000 Hz
7.5 h (2.5 h each axis)
20 - 500 Hz
4.9 g
3 h (1 h each axis)
5% (30°C)
2 h per cycle
40°C, 93% rel. humidity
22 h per cycle
3
±2
+2/-3
n
n
= 49 m/s
Ground Mobile
rms
°C
n
= 392 m/s
2
min
–40
–40
–55
%
= 981 m/s
/Hz
T
46 000 h
C
Option -9
= 50°C
2
(60 - 2000 Hz)
2
2
max
100
71
95
Device Hours
13 000 000 h
Status
Unit not
operating
Unit
operating
Unit
operating
Unit
operating
Unit
operating
operating
Unit not
Unit
°C
1