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CUI Inc

│ SERIES: VOF-15 │ DESCRIPTION: AC-DC POWER SUPPLY

date 12/30/2015

│ page 2 of 5

INPUT

parameter

conditions/description

min

typ

max

units

voltage

85

120

264

375

Vac

Vdc

frequency

47

63

Hz

current

0.6

A

inrush current

110 Vac, full load, cold start

220 Vac, full load, cold start

20

40

A

A

input fuse

built-in, non-user serviceable

OUTPUT

parameter

conditions/description

min

typ

max

units

line regulation

3.3 Vdc model

all other models

±0.6

±0.5

%

%

load regulation

3.3 Vdc model

all other models

±1.2

±1

%

%

temperature coefficient

±0.05

%/°C

hold-up time

at 115 Vac, full load

16

ms

adjustability

adjustable with built-in trim pot

±5

%

switching frequency

100

kHz

no load power consumption

0.5

W

PROTECTIONS

parameter

conditions/description

min

typ

max

units

over voltage protection

clamped by TVS

over current protection

5 Vdc model latches off

all other models automatically recover

105

%

short circuit protection

protected, long term short circuit may reduce

reliability

SAFETY & COMPLIANCE

parameter

conditions/description

min

typ

max

units

isolation voltage

input to output at 20 mA for 1 minute

3,000

Vac

isolation resistance

input to output at 500 Vdc at 25°C

50

MΩ

safety approvals

TUV EN 60950, UL/cUL 60950-1

EMI/EMC

FCC class B, EN 55022 class B, CE

leakage current

0.25

mA

RoHS

2011/65/EU

MTBF

according to MIL-HDBK-217F

250,000

hours

ENVIRONMENTAL

parameter

conditions/description

min

typ

max

units

operating temperature

see derating curve

0

60

°C

storage temperature

-25

75

°C

operating humidity

non-condensing

20

90

%

storage humidity

non-condensing

20

90

%

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