cui.com

date 05/13/2021

│ page 2 of 6

CUI Inc

│ SERIES: VOF-40C │ DESCRIPTION: AC-DC POWER SUPPLY

INPUT

parameter

conditions/description

min

typ

max

units

voltage

85

100

264

370

Vac

Vdc

frequency

47

63

Hz

current

at 115 Vac

at 230 Vac

1200

700

mA

mA

inrush current

at 115 Vac

at 230 Vac

35

50

A

A

no load power consumption

0.5

W

OUTPUT

parameter

conditions/description

min

typ

max

units

capacitive load

3.3 Vdc output models

5 Vdc output models

9 Vdc output models

12 Vdc output models

15 Vdc output models

24 Vdc output models

48 Vdc output models

30,000

20,000

6,000

4,000

3,500

1,000

600

µF

initial set point accuracy

3.3 Vdc output models

all other models

±3

±2

%

%

line regulation

at full load

±0.5

%

load regulation

from 0~100% load

±1

%

hold-up time

at 230 Vac, full load

50

ms

switching frequency

65

kHz

temperature coefficient

±0.02

%/°C

PROTECTIONS

parameter

conditions/description

min

typ

max

units

over voltage protection

output voltage clamp, auto recovery

3.3 Vdc output models

5 Vdc output models

9 Vdc output models

12 Vdc output models

15 Vdc output models

24 Vdc output models

48 Vdc output models

7.5

9

16

20

24

35

60

Vdc

over current protection

hiccup, auto-recovery

150

300

%

short circuit protection

hiccup, continuous, auto-recovery

SAFETY & COMPLIANCE

parameter

conditions/description

min

typ

max

units

isolation voltage

input to output electric strength test for 1 minute,

leakage current <5 mA

3,000

Vac

safety approvals

IEC/UL/EN 62368-1 certified

safety class

Class II

conducted emissions

CISPR32/EN55032, Class B

radiated emissions

CISPR32/EN55032, Class B

ESD

IEC/EN61000-4-2, Contact ±6KV, Perf. Criteria B

radiated immunity

IEC/EN61000-4-3 10V/m perf. Criteria A

Additional Resources: Product Page | 3D Model