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參數資料
| 型號： | 70IMX4-12-8G |
| 廠商： | POWER-ONE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT PACKAGE-24 |
| 文件頁數： | 2/12頁 |
| 文件大?。?/td> | 291K |
| 代理商： | 70IMX4-12-8G |
BCD20006-G Rev AA, 8-Apr-09
Page 10 of 12
www.power-one.com
IMX4 DC-DC Series Data Sheet
4-Watt DC-DC Converters
Immunity to Environmental Conditions
Table 9: Mechanical and climatic stress
Test Method
Standard
Test conditions
Status
Ca
Damp heat
IEC/EN 60068-2-78
Temperature:
40 ±2 °C
Converter
steady state
MIL-STD-810D section 507.2
Relative humidity:
93 +2/-3 %
not
Duration:
56 days
operating
Ea
Shock
IEC/EN 60068-2-27 1
Acceleration amplitude:
100 gn = 981 m/s2
Converter
(half-sinusoidal)
MIL-STD-810D section 516.3
Bump duration:
6 ms
operating
Number of bumps:
18 (3 each direction)
Eb
Bump
IEC/EN 60068-2-29
Acceleration amplitude:
40 gn = 392 m/s2
Converter
(half-sinusoidal)
MIL-STD-810D section 516.3
Bump duration:
6 ms
operating
Number of bumps:
6000 (1000 each direction)
Fc
Vibration
IEC/EN 60068-2-6
Acceleration amplitude:
0.35 mm (10 to 60 Hz)
Converter
(sinusoidal)
5 gn = 49 m/s2 (60 to 2000 Hz)
operating
Frequency (1 Oct/min):
10 to 2000 Hz
Test duration:
7.5 h (2.5 h each axis)
Fh
Vibration,
IEC/EN 60068-2-64
Acceleration spectral density: 0.05 g n2/Hz
Converter
broad-band
Frequency band:
10 to 500 Hz
operating
random
Acceleration magnitude:
4.9 gn rms
(digital control)
Test duration:
3 h (1 h each axis)
Kb
Salt mist, cyclic
IEC/EN 60068-2-52
Concentration:
5% (30 °C)
Converter
(sodium chloride
Duration:
2 h per cycle
not
NaCl solution)
Storage:
40 °C, 93% rel. humidity
operating
Cycles and storage duration:
3 days, 22 h per cycle
1
Covers also EN 50155/EN 61373 category 1, class B, body mounted (= chassis of coach)
Failure Rates
Table 10: Temperature specifications, valid for air pressure of 800 to 1200 hPa (800 to 1200 mbar)
Temperature
Standard (-8)
Unit
Characteristics
Conditions
min
max
TA
Ambient temperature
Operational 1
–40
85
°C
TC
Case temperature
–40
105
TS
Storage temperature
Non operational
–55
105
1
See Thermal Considerations
Temperatures
Table 11: MTBF
MTBF
Ground benign
Ground fixed
Ground mobile
Unit
TC = 40 °C
TC = 70 °C
TC = 50 °C
40IMX4-05-8 (MIL-HDBK-217F)
890 000
440 000
247 000
362 000
h
40IMX4-1212-8 (Bellcore)
3 535 000
1 768 000
917 000
476 000
Safety and Installation Instructions
Installation Instruction
Installation of the dc-dc converters must strictly follow the
national safety regulations in compliance with the enclosure,
mounting, creepage, clearance, casualty, markings and
segregation requirements of the end-use application.
Connection to the system shall be made via a printed circuit
board see Mechanical Data.
The converters should be connected to a secondary circuit.
Do not open the converter.
Ensure that a converter failure does not result in a hazardous
condition.
To prevent excessive current flowing through the input lines in
case of a short-circuit, an external fuse specified in table 6
should be installed in the non-earthed input supply line.
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