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參數資料
| 型號： | M3G500512T |
| 英文描述： | DC to DC Converter |
| 中文描述： | DC至DC轉換器 |
| 文件頁數： | 1/9頁 |
| 文件大小： | 63K |
| 代理商： | M3G500512T |
10/24/02
www.irf.com
1
ADVANCED ANALOG
HIGH RELIABILITY RADIATION
HARDENED DC/DC CONVERTER
G-SERIES
Description
n Total Dose > 200K Rad(Si),
typically usable to > 1M Rad(Si)
n SEE > 82 MeV.cm2/mg
n Low Weight, < 90 grams
n Low Input & Output Noise
n Magnetically Coupled Feedback
n 38V to 60V DC Input Range
n Up to 40W Output Power
n Triple Output Models Include
+5V and
±12V or ±15V
n Main Output Isolated from Dual Outputs
n High Efficiency - to 80%
n -55°C to +125°C Operating Temperature
Range
n 100M @ 500VDC Isolation
n Under-Voltage Lockout
n Synchronization Input and Output
n Short Circuit and Overload Protection
n Output Over Voltage Limiter
n External Inhibit
n 5,000,000 Hour MTBF
Features
50V Input, Triple Output
Full environmental screening includes temperature cy-
cling, constant acceleration, fine and gross leak, particle
impact noise detection (PIND), radiographic and 320
hours burn-in.
Applications
n Geostationary Earth Orbit Satellites (GEO)
Non-flight versions of the G-Series converters are avail-
able for system development purposes. Variations in
The G-Series of DC/DC converters are radiation hard-
ened, high reliability converters designed for extended
operation in hostile environments. Their small size and
low weight make them ideal for applications such as
geostationary earth orbit satellites and deep space
probes. They exhibit 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
requirements of MIL-STD-975, MIL-STD-1547 and
GSFC PPL-21 Appendix B. Extensive documentation
including Radiation Susceptibility, Thermal, Stress,
Worst Case, Failure Modes and Effects analyses and
MTBF are available for customer review and included
with each order.
n Deep Space Satellites / Probes
n Strategic Weapons and Communication
Systems
electrical specifications and screening to meet
custom requirements can be accommodated.
The converters incorporate a fixed frequency single
ended forward topology with magnetic feedback and
an internal EMI filter that utilizes multilayer ceramic ca-
pacitors that are subjected to extensive lot screening
for optimum reliability. These converters are capable of
meeting the conducted emissions and conducted sus-
ceptibility requirements of MIL-STD-461C without addi-
tional components. External inhibit and synchroniza-
tion input and output allow these converters to be easily
incorporated into larger power systems. They are en-
closed in a hermetic 3" x 2" x 0.445" package constructed
of an Aluminum/Silicon-Carbide (Al/SiC) base and an
Alloy 48 ring frame and they weigh less than 80 grams.
The package utilizes rugged ceramic feed-through cop-
per core pins and is sealed using parallel seam weld-
ing.
PD - 94559A
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