cui.com

date 06/02/2021

│ page 2 of 5

CUI Inc

│ SERIES: VOF-85B │ DESCRIPTION: AC-DC POWER SUPPLY

INPUT

parameter

conditions/description

min

typ

max

units

voltage

90

264

Vac

frequency

47

63

Hz

current

at 115 Vac

at 230 Vac

2.0

1.0

A

A

inrush current

at 230 Vac, cold start, 25 °C

90

A

leakage current

at 264 Vac, 63 Hz

0.25

mA

no load power consumption

at 110 Vac

at 230 Vac

0.2

0.3

W

W

OUTPUT

parameter

conditions/description

min

typ

max

units

initial set point accuracy

±3

%

line regulation

at full load

±0.5

%

load regulation

at 10% to full load

±1

%

adjustability

built in trim pot

±5

%

start-up time

at 100 Vac, full load

1

s

rise time

at 100 Vac, full load

50

ms

hold-up time

at 115 Vac, full load

10

ms

switching frequency

at full load

60

85

kHz

temperature coefficient

±0.04

%/°C

PROTECTIONS

parameter

conditions/description

min

typ

max

units

over voltage protection

latch off

110

130

%

over current protection

auto recovery

short circuit protection

auto recovery

over temperature protection

auto recovery

SAFETY & COMPLIANCE

parameter

conditions/description

min

typ

max

units

isolation voltage

input to output

3,000

Vac

safety approvals

UL 62368-1, EN 62368-1, IEC 62368-1

safety class

Class II

conducted emissions

EN 55032 Class B, FCC Class B

radiated emissions

EN 55032 Class B, FCC Class B

input current harmonics

EN 61000-3-2 Class A

voltage fluctuation and flicker

EN 61000-3-3

ESD immunity

EN 61000-4-2, air: ±8 kV; contact: ±4 kV contact

radiated field immunity

EN 61000-4-3, 3 V/m

electrical fast transient

immunity

EN 61000-4-4, ±2 kV

Notes:

3. The power supply is considered a component which will be installed into final equipment. The final equipment still must be tested to meet the necessary EMC directives.

Additional Resources: Product Page | 3D Model