rev.

page

date

DESCRIPTION: dc-dc converter

2 of 5

11/2009

20050

phone

phone 503.612.2300 fax

www.v-infinity.com

fax 503.612.2383

PART NUMBER: PK25

INPUT

parameter

conditions/description

min

nom

max

units

input voltage range

4.5

5

9

VDC

9

12

18

VDC

18

24

36

VDC

36

48

72

VDC

switching frequency

constant

300

KHz

OUTPUT

parameter

conditions/description

min

nom

max

units

set point accuracy

-2%

+2%

line regulation

all models

-0.5%

+0.5%

load regulation

single output models

-1.0%

+1.0%

dual output models (10% min. load)

-2.5%

+2.5%

minimum load

0.0

Amps

ripple and noise

20 MHz bandwidth

1.0% Vout

mVpp

PROTECTION

parameter

conditions/description

min

nom

max

units

over-current

105%

135%

over-voltage

110%

140%

NOTE: 3 continuous operation in a protected state may compromise long-term reliability.

GENERAL

parameter

conditions/description

min

nom

max

units

efficiency

typical at full load

80%

89%

dielectric withstand

input/case, input/output, output/case

500

VAC

insulation resistance

at 500 VDC

100M

Ohms

agency standards

approved to UL1950, EN60950, CISPR22, CE

case material

STS

material flammability

94 V-0

weight

65

grams

(2.29)

(ounces)

MTBF

MIL-HDBK-217F

470k

hours

operating temperature

regular models

-20

+71

°C

extended temperature models

-40

+85

°C

storage temperature

-40

+105

°C

humidity

operating (non-condensing)

20%

90%

RH

washability

not intended for aqueous wash