cui.com

date 06/27/2016

│ page 2 of 5

CUI Inc

│ SERIES: VOF-225 │ DESCRIPTION: AC-DC POWER SUPPLY

INPUT

parameter

conditions/description

min

typ

max

units

voltage

90

277

Vac

frequency

47

63

Hz

current

at 115 Vac, full load

at 230 Vac, full load

2.8

1.5

A

A

inrush current

at 230 Vac, cold start

80

A

leakage current

3.5

mA

power factor correction

at 115 Vac, full load

at 230 Vac, full load

0.98

0.95

no load power consumption

at 230 Vac

0.5

W

input fuse

6.3 A / 250 V time delay fuse (included)

OUTPUT

parameter

conditions/description

min

typ

max

units

initial set point accuracy

±3

%

line regulation

±0.5

%

load regulation

from 100%~10% load

±1

%

transient response

1 kHz, 90%~10% load

VOF-225-12

VOF-225-15

VOF-225-24

VOF-225-36

VOF-225-48

1,200

1,500

2,400

3,600

4,800

mVp-p

mVp-p

mVp-p

mVp-p

mVp-p

start-up delay time

at 115 Vac

at 230 Vac

200

100

ms

ms

start-up rise time

at 115/230 Vac

60

ms

hold-up time

at 115/230 Vac

10

ms

adjustability

built in trim pot

±5

%

swithching frequency

75

400

kHz

temperature coefficient

±0.03

%/°C

fan output

12 Vdc / 300 mA

PROTECTIONS

parameter

conditions/description

min

typ

max

units

over voltage protection

latch mode

VOF-225-12

VOF-225-15

VOF-225-24

VOF-225-36

VOF-225-48

13.8

16.5

26.5

38.5

55

15.8

19.5

31.5

43.5

62

Vdc

Vdc

Vdc

Vdc

Vdc

over current protection

hiccup, auto recovery

110

%

short circuit protection

latch

SAFETY & COMPLIANCE

parameter

conditions/description

min

typ

max

units

isolation voltage

input to output

input to ground

output to ground

3,000

1,500

500

Vac

Vac

Vac

safety approvals

UL 60950-1, EN 60950-1, IEC 60950-1

For more information, please visit the product page.