MHF283R3SSLASH883 datasheet(8/23 Pages) INTERPOINT

8 / 23 page

all MOdelS

ParaMeTer

COndiTiOnS

Min

TYP

MaX

uniTS

lead SOldering TeMPeraTure 1

10 SeCOndS MaX.

—

300

°C

STOrage TeMPeraTure 1

-65

—

+150

°C

CaSe OPeraTing

Full POWer

-55

—

+125

°C

TeMPeraTure

aBSOluTe 1

-55

—

+135

deraTing OuTPuT POWer/CurrenT 1

linearlY

From 100% at 125°C to 0% at 135°C

eSd raTing 1 ClaSS 3B

Mil-PrF-38534, 3.9.5.8.2

Mil-STd-883

MeTHOd 3015

>8000

iSOlaTiOn: inPuT TO OuTPuT Or anY

@ 500 VDC AT 25°C

100

—

Megohms

Pin TO CaSe eXCePT CaSe Pin

UnDeRVolTAge loCKoUT

SingleS and dualS

—

TriPleS

—

8.5

—

inPuT TO OuTPuT CaPaCiTanCe 1

—

CurrenT liMiT 2

SingleS and dualS

—

115

—

% OF Full lOad

TriPleS

—

130

—

audiO reJeCTiOn 1

—

ConVeRSIon FReQUenCY

SingleS and dualS

480

—

620

kHz

Free run -55°C TO +125°C

TriPleS

375

—

500

SYnCHRonIZATIon 3

InpUT FReQUenCY

SingleS and dualS

500

—

600

kHz

TriPleS

400

—

600

duTY CYCle 1

—

ACTIVe loW

—

0.8

ACTIVe HIgH 1

4.0

—

5.0

reFerenCed TO

inPuT COMMOn

iF nOT uSed, SingleS and dualS

COnneCT TO inPuT COMMOn

iF nOT uSed, TriPleS

leAVe UnConneCTeD

InHIBIT ACTIVe loW (oUTpUT DISABleD)

inHiBiT Pin Pulled lOW

—

0.8

do not apply a voltage to the inhibit pin. 4

inHiBiT Pin SOurCe CurrenT 1

—

reFerenCed TO

inPuT COMMOn

InHIBIT ACTIVe HIgH (oUTpUT enABleD)

inHiBiT Pin COndiTiOn

OPen COlleCTOr Or

do not apply a voltage to the inhibit pin. 4

unCOnneCTed

open InHIBIT pIn VolTAge 1

Single and dual

8.5

TriPle

—

notes

1. guaranteed by design and/or analysis. not an in-line test.

2. Dual and triple outputs: The over-current limit will trigger when the sum of the currents from both dual outputs or both auxiliary outputs (triple)

reaches the maximum rated “total” current of both outputs. Typical values are stated in the table.

3. Triple models: Source impedance should be <100 ohms and the transition times should be <100 nanoseconds.

4. An external inhibit interface should be used to pull the inhibit low or leave it floating. The inhibit pin can be left unconnected if not used.

table 5: oPerating ConDitions, all MoDels : 25°C Case, 28 vin, 100% loaD, unless otherwise sPeCiFieD.

For mean time between failures (MTBF) contact Applications Engineering: powerapps@crane-eg.com or +1.425.882.3100 option 7

www.craneae.com/interpoint

Page 8 of 23

Crane Aerospace & Electronics Power Solutions

mHF+ Single, Dual and Triple DC-DC Converters

28 VOlT INPuT – 15 WaTT

MHF+ rev aB - 2014.10.02

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