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參數(shù)資料
| 型號(hào)： | LK2660-9RDDTB1 |
| 元件分類： | 電源模塊 |
| 英文描述： | 2-OUTPUT 150 W AC-DC REG PWR SUPPLY MODULE |
| 封裝： | METAL, CASE K02, MODULE |
| 文件頁數(shù)： | 18/27頁 |
| 文件大?。?/td> | 640K |
| 代理商： | LK2660-9RDDTB1 |
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K-Family
DC-DC Converters >100 W
Rugged Environment
8 - 26
Edition 2/96 - Melcher AG
MELCHER
The Power Partners.
8.1
Immunity to Environmental Conditions
Table 19: Mechanical stress
Test
Standard
Test Parameters
Status
Ca
Damp heat
DIN 40046, part 5
Temperature:
40 ±2
°C
Unit not
steady state
IEC 68-2-3
Relative humidity:
93 +2 /-3 %
operating
MIL-STD 810D section 507.2
Time:
56 days
Ea
Shock
DIN 40046, part 7
Acceleration amplitude:
100 gn = 981 m/s2
Unit
(half-sinusoidal)
IEC 68-2-27
Bump duration:
6 ms
operating
MIL-STD 810D section 516.3
Number of bumps:
18 (3 each direction, 3 axes)
Eb
Continuous shock DIN 40046, part 26
Acceleration amplitude:
40 g n = 392 m/s2
Unit
(half-sinusoidal)
IEC 68-2-29
Bump duration:
6 ms
operating
MIL-STD 810D section 516.3
Number of bumps:
6000 (1000 each direction, 3 axes)
Fc
Vibration
DIN 40046, part 8
Frequency (1 Oct/ min):
10...2000 Hz
Unit
(sinusoidal)
IEC 68-2-6
Maximum vibration amplitude: 0.35 mm (10...60 Hz)
operating
MIL-STD 810D section 514.3
Acceleration amplitude:
5 g n = 49 m/s2
Test duration:
7.5 h (2.5 h each axis)
Fda Random vibration IEC 68-2-34
Frequency band:
20...500 Hz
Unit not
wide band
DIN 40046, part 22
Total acceleration amplitude: 4.9 grms
operating
reproducibility
Acceleration spectral density: 0.05 g2/Hz
high
Test duration:
3 h (1h each axis)
Kb
Salt mist
DIN 40046 part 105
Concentration:
5% (30
°C)
Unit not
cyclic
IEC 68-2-52
Duration:
2 h per cycle
operating
(sodium chloride
Storage:
40
°C, 93% rel. humidity
NaCl solution)
Storage duration:
22 h per cycle
Number of cycles:
3
Table 20. Temperature specifications
Characteristic
min
max
Unit
TA
Standard operational ambient temperature range -7, (MIL-STD-810D sections 501.2 and 502.2)
–25
71
°C
TA
Extended operational ambient temperature range -9, (MIL-STD-810D sections 501.2 and 502.2)
–40
71
TC
Standard operational case temperature range -7, overtemp. lock-out (PTC) at TC > 95
°C
–25
95
TC
Extended operational case temperature range -9, overtemp. lock-out (PTC) at TC > 95
°C
–40
95
TS
Storage temperature range -7, (MIL-STD-810D sections 501.2 and 502.2)
–40
100
TS
Extended storage temperature range -9, (MIL-STD-810D sections 501.2 and 502.2)
–55
100
Table 21: MTBF
Values at Specified
Type
Ground Benign
Ground Fixed
Ground Mobile
Unit
Case Temperature
40
°C40°C70°C50°C
MIL-HDBK 217F, (CK 1301-7R)
AK...LK
500'000
150'000
80'000
50'000
h
Device hours 1
500'000
1 Statistical value, based on an average of 4300 working hours per years and in general field use, over 3 years.
Thermal Considerations
Operation at ambient temperatures of 71...85
°C with con-
vection cooling will limit the maximum output power to 40 %
(approx.) of the nominal value. Forced cooling (additional
heat sink, fan, etc.) allows operation of the power supply at
nominal output power up to an ambient temperature of
85
°C, as long as the maximum case temperature T
C max
(95
°C) is not exceeded. For the case temperature measur-
ing point see Mechanical Data.
It is recommended that continuous operation under simul-
taneous extreme worst case conditions of the following
three parameters be avoided: Minimum input voltage,
maximum output power and maximum temperature.
Fig. 31
Output power derating versus TA
10
20
30
40
50
60
70
80
–25
50
60
70
80
90
100
Po [%]
TA [°C]
90
100
110
Po max (forced cooling)
Po max
(convection cooling)
TC max
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