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參數資料
| 型號： | M3L2803R3D |
| 廠商： | International Rectifier |
| 英文描述： | ADVANCED ANALOG HIGH RELIABILITY RADIATION TOLERANT DC/DC CONVERTERS |
| 中文描述： | 先進的模擬高可靠性輻射容錯直流/直流變換器 |
| 文件頁數： | 1/11頁 |
| 文件大小： | 88K |
| 代理商： | M3L2803R3D |
08/20/02
www.irf.com
1
ADVANCED ANALOG
HIGH RELIABILITY RADIATION
TOLERANT DC/DC CONVERTERS
L-SERIES
Description
Total Dose > 25K Rad(Si)
SEE > 37 MeV
.
cm
2
/mg
Internal EMI filter; Converter Capable of
meeting MIL-STD-461C CE03 and CS01
Low Weight, < 85 grams
Magnetically Coupled Feedback
16V to 50V DC Input Range
Up to 25W Output Power
Single and Dual Output Models Include
3.3, 5, 12, 15,
±
5,
±
12 and
±
15V
High Efficiency - to 82%
-55°C to +125°C Operating Temperature
Range
100M
@ 500VDC Isolation
Under-Voltage Lockout
Short Circuit and Overload Protection
Output Over Voltage Limiter
Adjustable Output Voltage
External Inhibit
1,500,000 Hour MTBF
Features
+ 28V Input, Single/Dual Output
The L-Series of DC/DC converters are radiation toler-
ant, high reliability devices designed for moderate ra-
diation environments such as those encountered by low
earth orbit satellites and launch vehicles. For higher
radiation environments, the G-Series of DC/DC con-
verters is recommended. Features include small size,
low weight and a high tolerance to total ionizing dose,
single event effects and environmental stresses such as
temperature extremes, mechanical shock, and vibration.
All components are fully derated to meet the require-
ments of MIL-STD-975 and MIL-STD-1547 and GSFC
PPL-21 Appendix B. Extensive documentation includ-
ing Radiation Susceptibility, Thermal Analysis, Stress
Analysis and MTBF are available.
The converters incorporate a fixed frequency single for-
ward topology with magnetic feedback and an internal
EMI filter. These converters are capable of meeting the
conducted emissions and conducted susceptibility re-
quirements of MIL-STD-461C without any additional
components. All models include an external inhibit port
and have an adjustable output voltage. They are en-
closed in a hermetic 1.5" x 2.3" x 0.425" steel package
and weigh less than 85 grams. The package utilizes
rugged ceramic feed-through copper core pins and is
sealed using parallel seam welding.
Full environmental screening includes temperature cy-
cling, constant acceleration, fine and gross leak, and
burn-in.
Non-flight versions of the L-Series converters are avail-
able for system development purposes. Variations in
electrical specifications and screening to meet custom
requirements can be accommodated.
Applications
Low Earth Orbit Satellites (LEO)
Launch Vehicles
PD - 94519A
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