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SMFLHP2805D/OR

Description
DC-DC REG PWR SUPPLY MODULE
CategoryPower/power management    The power supply circuit   
File Size1MB,15 Pages
ManufacturerInterpoint ( Crane Aerospace & Electronics )
Websitehttp://www.interpoint.com
Download Datasheet Parametric View All

SMFLHP2805D/OR Overview

DC-DC REG PWR SUPPLY MODULE

SMFLHP2805D/OR Parametric

Parameter NameAttribute value
package instruction,
Reach Compliance Codeunknown
Analog Integrated Circuits - Other TypesDC-DC REGULATED POWER SUPPLY MODULE
Base Number Matches1
Crane Aerospace & Electronics Power Solutions
sMFLHp single and dual dc-dc converters
28 VoLt input – 100 Watt
Features
radiation tolerant space dc-dc converter
Operating temperature -55°C to +125°C
Input voltage range 19 to 40 V
• total ionizing dose (tid) guaranteed to 100 krad(si)
rHa level r, per MiL-std-883 method 1019
• single event effects (see) Let performance to
86 MeV cm
2
/mg
Qualified to MIL-PRF-38534 Class H and K
Transient protection up to 80 V for 50 ms
Fully isolated, magnetic feedback
Fixed high switching frequency
- Converter will shut down at an input voltage
above approximately 45 volts
MODELS
O
utput
V
Oltage
(V)
Remote sense and output trim on single output models
Primary and secondary inhibit function
Synchronization input and output
Indefinite short circuit protection
SINGLE
3.3
5
12
15
DUAL
±5
±12
±15
High power density with up to 85% efficiency
description
The Interpoint
®
SMFLHP Series™ 28 volt dc-dc converters are
rated up to 100 watts output power over a -55°C to +125°C
temperature range with a 28 V nominal input. On dual output
models, up to 70% of the rated output power can be drawn from
either the positive or negative outputs. The welded, hermetically
sealed package is only 3.005 x 1.505 x 0.400 inches.
SMFLHP converters offer screening options to Space Prototype
(O), Class H, or Class K. Radiation tolerant to radiation
hardness assurance (RHA) levels of “-” (O), “P” or “R”, per
MIL-PRF-38534. Interpoint model numbers use an “O” in the
RHA designator position to indicate the “-” (dash) RHA level of
MIL-PRF-38534, which is defined as “no RHA”. See “Table 9:
Element Evaluation” on page 14 and “Table 10: Environmental
Screening and RHA Levels” on page 15 for more information.
Isolation between input and output circuits is provided with a
transformer in the forward path and wide bandwidth magnetic
coupling in the feedback control loop. The SMFLHP Series
uses a unique dual loop feedback technique that controls output
current with an inner feedback loop and output voltage with a
cascaded voltage mode feedback loop.
The additional secondary current mode feedback loop improves
transient response in a manner similar to primary current mode
control and allows for ease of paralleling.
Tight load regulation is achieved through a wide-bandwidth
magnetic feedback circuit.
S
creening
i
nhibit
D
eSign
F
eatureS
The SMFLHP Series converters are switching regulators that use
a quasi-square wave, single ended forward converter design with
a constant switching frequency of 600 kHz.
The SMFLHP Series converters have two inhibit terminals
(INH1 and INH2) that can be used to disable power conversion,
resulting in a very low quiescent input current. See Table 5 on
page 6 for specifications.
S
ync
Converters may be synced to an external clock (525 to 675 kHz)
or to one another by using the sync in or out pins. See Table 5 on
page 6 for specifications.
Crane Aerospace & Electronics
Power Solutions – Interpoint Products
10301 Willows Rd. NE, Redmond, WA 98052
+1 425.882.3100 • power@crane-eg.com
www.craneae.com/interpoint
Page 1 of 15
Rev AB - 2014.08.12
The information in this document is a derivative of documents cleared by the Department
of Defense (DoD) Office of Security Review (OSR) for public release. OSR case numbers
09-S-1007 dated March 13, 2009 and 12-S-2048 dated May 29, 2012.
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Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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