page

date

DESCRIPTION: chassis mount dc-dc converter

2 of 10

04/2011

20050

phone

phone 503.612.2300 fax

www.v-infinity.com

fax 503.612.2383

PART NUMBER: VHK75W

OUTPUT

parameter

conditions/description

min

nom

max

units

voltage accuracy

±1

%

transient response

25% step load change

500

μ sec

external trim adj. range

±10

%

ripple & noise (20MHz BW)

3.3V, 5V

40

mV RMS

100

mV p-p

12V& 15V

60

mV RMS

150

mV p-p

24V

100

mV RMS

240

mV p-p

48V

200

mV RMS

480

mV p-p

temperature coefficient

±0.03

%/°C

short circuit protection

continuous

±0.2

%

±1

%

over voltage protection trip range, % Vo nom.

115

140

%

over current protection

% nominal output current

110

160

%

GENERAL SPECIFICATIONS

parameter

conditions/description

min

nom

max

units

switching frequency

300

KHz

derated from 50 to 85°C

-40

85

°C

storage temperature

-55

105

°C

thermal shutdown case temp.

85

°C

case material

aluminum / steel

ISOLATION SPECIFICATIONS

parameter

conditions/description

min

nom

max

units

isolation voltage

input/output

1500

V dc

input/case

1500

V dc

output/case

1500

V dc

isolation resistance

100

M

Ω

notes:

5.

measured from high line to low line at full load

6.

measured from full load to zero load at nominal input

7.

see output derating curves (page 4)

*V-Infinity reserves the right to make changes to its products or to discontinue any product or service without notice, and to advise customers to verify the most up-to-

date product information before placing orders. V-Infinity assumes no liability or responsibility for customer’s applications using V-Infinity products other than repair

or replacing (at V-I’s option) V-Infinity products not meeting V-I’s published specifications. Nothing will be covered outside of standard product warranty.