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SMRT283R312T Built in MIL-STD-461 EMI filter Output trim from 51% to 124% of nominal
型号:   SMRT283R312T
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描述:   Built in MIL-STD-461 EMI filter Output trim from 51% to 124% of nominal
文件大小 :   800 K    19 页
Logo:   
品牌   INTERPOINT [ INTERPOINT CORPORATION COMPANY ]
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100%
Crane Aerospace & Electronics Power Solutions
sMrt28 single, Dual and triple space Dc/Dc converters
28 VOLt Input – 35 Watt – space quaLIFIeD
Features
Built in MIL-stD-461 eMI filter
• Operating temperature -55° to +125°C
Output trim from 51% to 124% of nominal
• Qualified to MIL-PRF-38534 Class H and K
• Radiation hardness assurance (RHA) to
level F 300 kRad(Si)
• Input voltage range 19 to 56 VDC
• Fully isolated, 5 port isolation
• Dual magnetic feedback
• Remote sense
• Transient protection 80 V for 100 ms
• Fixed high frequency switching
• Inhibit function
• Synchronization input
• Radiation tolerant to
• Indefinite short circuit protection
- 1 x 10
12
protons/cm
2
neutron or proton fluence
- 3 x 10
5
rad(Si) total dose
- 10
11
rad(Si)/sec dose rate
VDC O
utput
SIngLE
3.3
5
8.7
12
15
DUAL
±5
±12
±15
MODELS
• Meets MIL-STD-704A transient standards
- SEE - LET to 80 MeV cm
2
/mg
TRIPLE
+3.3 & ±12
+3.3 & ±15
+5 & ±7
+5 & ±12
+5 & ±15
DescrIptIOn
The SMRT28 Series™ of DC/DC converters offers up to 35
watts of power in a radiation tolerant design. The low profile
SMRT28 converters are manufactured in Interpoint’s fully certi-
fied and qualified MIL-PRF-38534 production facility and pack-
aged in hermetically sealed steel cases. They are ideal for use in
programs requiring high reliability, small size, and high levels of
radiation hardening assurance.
The SMRT28 converters are switching regulators which use a
two-phase, phase shifted flyback design with a nominal switching
frequency of 300 kHz. Close regulation is maintained with
advanced constant frequency pulse width modulation design
techniques. The SMRT28’s feed-forward compensation and
discontinuous topologies provide high levels (80 dB peak) of
input-to-output ripple rejection.
A minimum load of 2% of full load should be used on outputs at
TID of 100 kRad(Si) or greater to ensure tight regulation over the
full input range. The converter should not be inhibited or oper-
ated below 19 Vin above 5x10
4
rad(Si) total dose.
Two independent feedback loops are used to regulate the dual
and triple outputs, one feedback loop regulates the two-phased
single output. Each set of outputs is electrically isolated from the
other and from the input. This product configuration eliminates
cross regulation effects between output sets.
Configurations:
• Single Output: One two-phase single output
• Dual Output: Two single-phase single outputs
• Triple Output: One single-phase independent
Main output and one single-phase dual output.
(± Auxiliary output)
Crane Aerospace & Electronics
Electronics group (Interpoint Brand)
PO Box 97005 • Redmond WA 98073-9705
425.882.3100 • power@crane-eg.com
www.interpoint.com
The information in this document is a derivative of a document cleared
by the Department of Defense (DoD) Office of Security Review (OSR) for
public release. OSR case number 09-S-1960 dated June 22, 2009.
SMRT28 Rev E - 20100216
Page 1 of 19
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