ALLMODELS

PARAMETER

CONDITIONS

MIN

TyP

MAx

UNITS

10SECONDSMAx.

—

—

300

°C

-65

—

+150

°C

CASEOPERATING

FULLPOWER

-55

—

+125

°C

TEMPERATURE

-55

—

+135

LINEARLy

From100%at125°Cto0%at135°C

MIL-STD-883METHOD3015

—

—

≥8000

V

MIL-PRF-38534,3.9.5.8.2

CLASS3B

ISOLATION:INPUTTOOUTPUTOR

@500VDC

100

—

—

Megohms

ANyPINTOCASE

13.07

—

16.37

V

12.26

—

15.80

%OFFULLLOAD

—

145

—

%

—

50

—

dB

CONVERSIONFREQUENCy

FREERUN

-55°TO+125°C

270

300

330

kHz

INPUTFREQUENCy

270

—

330

kHz

SyNCISFLOATINGANDISOLATED

20

—

80

%

ACTIVELOW

—

—

0.8

V

2.5

—

10

REFERENCEDTO

SyNCRETURN

IFNOTUSED

CONNECTTOSyNCRETURN

—

—

0.4

V

DonotapplyavoltagetotheInhibitpin

INHIBITPINSOURCE

—

—

2

mA

REFERENCEDTO

INPUTCOMMON

INHIBITACTIVEHIGH(OUTPUTENABLED)

DonotapplyavoltagetotheInhibitpin

INHIBITPINCONDITION

OPENCOLLECTOROR

UNCONNECTED

5

—

6

V

Notes

1.Guaranteedbycharacterizationtestand/oranalysis.Notaproductiontest.

2.Tripleoutputs:Theover-currentlimitwilltriggerwhenthesumoftheauxiliarycurrentsreaches145%(typicalvalue)ofthemaximumrated“total”

currentoftheauxiliaryoutputs.

3.Ifsyncisusedatlowerendofrange,fullloadoperationisnotguaranteed.

4.TestedwithInhibitpinat0volts.

For mean time between failures (MTBF) contact Applications Engineering

powerapps@crane-eg.com +1 425-882-3100 option 7

Crane Aerospace & Electronics Power Solutions

www.craneae.com/interpoint

Page10of44

sMrt single, dual and triple space dc-dc converters

19-56 Volt input – 35 Watt – space qualiFied

SMRT28RevAJ-2016.05.03