SMFL2805SV/KP datasheet, PDF - EEWORLD Datasheet

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SMFL2805SV/KP: DescriptionDC-DC Regulated Power Supply Module, 1 Output, 50W, Hybrid, HERMETIC SEALED PACKAGE-12; CategoryPower/power management The power supply circuit; File Size333KB，15 Pages; ManufacturerCrane Co.

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SMFL2805SV/KP Overview

DC-DC Regulated Power Supply Module, 1 Output, 50W, Hybrid, HERMETIC SEALED PACKAGE-12

SMFL2805SV/KP Parametric

Parameter Name	Attribute value
Maker	Crane Co.
package instruction	,
Reach Compliance Code	compliant
Analog Integrated Circuits - Other Types	DC-DC REGULATED POWER SUPPLY MODULE
Maximum input voltage	40 V
Minimum input voltage	16 V
Nominal input voltage	28 V
JESD-30 code	R-XDMA-P12
JESD-609 code	e4
length	63.5 mm
Number of functions	1
Output times	1
Number of terminals	12
Maximum operating temperature	125 °C
Minimum operating temperature	-55 °C
Maximum output voltage	5.13 V
Minimum output voltage	4.87 V
Nominal output voltage	5 V
Package body material	UNSPECIFIED
Package shape	RECTANGULAR
Package form	MICROELECTRONIC ASSEMBLY
Certification status	Not Qualified
Filter level	MIL-PRF-38534 Class H
Maximum seat height	10.16 mm
surface mount	NO
technology	HYBRID
Temperature level	MILITARY
Terminal surface	GOLD
Terminal form	PIN/PEG
Terminal pitch	5.08 mm
Terminal location	DUAL
total dose	30k Rad(Si) V
Maximum total power output	50 W
Fine-tuning/adjustable output	YES
width	38.1 mm

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Crane Aerospace & Electronics Power Solutions

sMFL single and dual dc-dc converters

28 VoLt input – 65 Watt

Features

radiation tolerant space dc-dc converter

•

Operating temperature -55°C to +125°C

•

Input voltage range 16 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

/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

OuTPuT VOLTAge (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

DuAL

±5

±12

±15

•

High power density with up to 85% efficiency

description

The Interpoint

SMFL Series™ 28 volt dc-dc converters are

rated up to 65 watts output power over a -55°C to +125°C

temperature range with a 28 volt 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.

SMFL 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 on

page 14 and Table 10 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 SMFL 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.

creening

nhibit

eSign

eatureS

The SMFL 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 SMFL 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.

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

Page 1 of 15

Power Solutions – Interpoint Products

SMFL Rev AB - 2014.08.12

10301 Willows Rd. NE, Redmond, WA 98052

The information in this document is a derivative of documents cleared by the Department

+1.425.882.3100 • power@crane-eg.com

of Defense (DoD) Office of Security Review (OSR) for public release. OSR case numbers

09-S-0996 dated March 13, 2009 and 12-S-2048 dated March 29, 2012.

www.craneae.com/interpoint

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