SMHF 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

1000-1999

V

MIL-PRF-38534, 3.9.5.8.2

CLASS 1C

ISOLATION: INPUT TO OUTPUT OR ANY

@ 500 VDC AT 25°C

100

—

—

Megohms

PIN TO CASE EXCEPT CASE PIN

—

14

—

V

—

60

—

pF

% OF FULL LOAD

—

140

—

%

—

50

—

dB

CONVERSION FREQUENCY

FREE RUN

-55°C TO +125°C

480

550

620

kHz

SYNCHRONIZATION

INPUT FREQUENCY

500

—

600

kHz

40

—

60

%

ACTIVE LOW

—

—

0.8

V

4.5

—

5.0

REFERENCED TO

INPUT COMMON

IF NOT USED

CONNECT TO INPUT COMMON

INHIBIT ACTIVE LOW (OUTPUT DISABLED) INHIBIT PIN PULLED LOW

—

—

0.8

V

Do not apply a voltage to the inhibit pin

INHIBIT PIN SOURCE

—

—

5

mA

REFERENCED TO

INPUT COMMON

INHIBIT ACTIVE HIgH (OUTPUT ENABLED)

Do not apply a voltage to the inhibit pin

INHIBIT PIN CONDITION

OPEN COLLECTOR OR

UNCONNECTED

OPEN INHIBIT PIN

7.5

—

12

V

Notes

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

2. Dual outputs: The over-current limit will trigger when the sum of the currents from both outputs reaches 140% (typical value) of the

maximum rated “total” current of both outputs.

For mean time between failures (MTBF) contact Applications Engineering

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

sMHF single and dual dc-dc converters

Page 5 of 15

16-45 Volt input – 15 Watt

www.craneae.com/interpoint

SMHF Rev AF - 2015.10.28

Crane Aerospace & Electronics Power Solutions