cui.com

CUI Inc

│ SERIES: VOF-80 │ DESCRIPTION: AC-DC POWER SUPPLY

date

08/16/2012

│ page 2 of 5

INPUT

parameter

conditions/description

min

typ

max

units

voltage

85

120

264

375

Vac

Vdc

frequency

47

63

Hz

input current

110 Vac

220 Vac

1.5

0.8

A

A

inrush current

115 Vac, full load, cold start

220 Vac, full load, cold start

25

50

A

A

input fuse

built-in, non-user serviceable

OUTPUT

parameter

conditions/description

min

typ

max

units

line regulation

high line to low line at

full load

±0.5

%

load regulation

full load to 10% load

±1

%

temperature coefficient

±0.05

%/°C

hold-up time

115 Vac at full load

8

ms

adjustability

adjustable with built-in trim pot

-10

+5

%

switching frequency

65

kHz

PROTECTIONS

parameter

conditions/description

min

typ

max

units

over voltage protection

clamped by TVS

3.3 and 5 V models

all other models

6.8

135

V

%

over current protection

automatically recovers

105

%Io

short circuit protection

continuous, long term short circuit may reduce

reliability

SAFETY & COMPLIANCE

parameter

conditions/description

min

typ

max

units

isolation voltage

primary to secondary for 1 minute

primary to transformer core for 1 minute

primary to ground for 1 minute

3,000

1,500

1,500

Vac

Vac

Vac

isolation resistance

input to output at 500 Vdc @ 25°C

50

MΩ

safety approvals

TUV EN60950, CE, UL/cUL 60950-1

EMI/EMC

FCC class B, EN55022 class B

leakage current

1.5

mA

RoHS compliant

yes

MTBF

according to MIL-HDBK-217F

250,000

hours