Notes

1. Guaranteed by characterization test and/or analysis. Not a production test.

2. Passes 2000 volts.

3. Dual outputs: The over-current limit will trigger when the sum of the currents

from both outputs reaches 115% (typical value) of the maximum rated “total”

current of both outputs.

4. Tested with inhibit pin pulled to ground.

5. 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.

MFK SERIES

ALL MODELS

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

10 SECONDS MAX.

—

—

300

°C

-65

—

+150

°C

CASE OPERATING

FULL POWER

-55

—

+125

°C

TEMPERATURE

-55

—

+135

LINEARLY

From 100% at 125°C to 0% at 135°C

MIL-STD-883, METHOD 3015

V

MIL-PRF-38534, 3.9.5.8.2

CLASS 2

ISOLATION: INPUT TO OUTPUT OR ANY

500 VDC AT 25°C

100

—

—

Megohms

PIN TO CASE EXCEPT CASE PIN

UNDERVOLTAGE LOCKOUT

—

15

—

V

% OF FULL LOAD

—

115

—

%

—

50

—

dB

CONVERSION FREQUENCY

FREE RUN -55°C TO +125°C

430

—

570

kHz

SYNCHRONIZATION

INPUT FREQUENCY

450

—

550

kHz

40

—

60

%

ACTIVE LOW

—

—

0.8

V

4.5

—

5.0

REFERENCED TO

INPUT COMMON

IF NOT USED

LEAVE UNCONNECTED

—

—

0.8

V

INHIBIT PIN SOURCE

—

—

4

mA

REFERENCED TO

INPUT COMMON

INHIBIT ACTIVE HIGH (OUTPUT ENABLED) INHIBIT PIN CONDITION

OPEN COLLECTOR OR

UNCONNECTED

8.5

—

12

V

For mean time between failures (MTBF) contact Applications Engineering

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

Crane Aerospace & Electronics Power Solutions

MFKsingleanddualdC-dCConverters

28 Volt input – 25 Watt

www.craneae.com/interpoint

Page 5 of 23

MFK Rev AJ - 2016.04.25

16tO50vOLtsInPUt–25WAtt