cui.com

date 06/14/2021

│ page 2 of 7

CUI Inc

│ SERIES: VOF-120C │ DESCRIPTION: AC-DC POWER SUPPLY

INPUT

parameter

conditions/description

min

typ

max

units

voltage

ac input

dc input

85

120

264

370

Vac

Vdc

frequency

47

63

Hz

current

at 115 Vac

at 230 Vac

2.0

1.0

A

A

inrush current

at 115 Vac, cold start

at 230 Vac, cold start

40

75

A

A

leakage current

at 240 Vac

0.1

mA

power factor correction

at 115 Vac, full load

at 230 Vac, full load

0.98

0.94

no load power consumption

0.5

W

OUTPUT

parameter

conditions/description

min

typ

max

units

output capacitance

12 Vdc output model

15 Vdc output model

24 Vdc output model

27 Vdc output model

36 Vdc output model

48 Vdc output model

6,000

5,000

3,200

2,400

2,000

1,600

μF

μF

μF

μF

μF

μF

initial set point accuracy

at full load, 25°C

12 Vdc & 15 Vdc output models

all other output models

±2

±1

%

%

line regulation

rated load

±0.5

%

load regulation

0 ~ 100% load

±1

%

hold-up time

at 230 Vac, 25°C

15

ms

temperature coefficient

±0.03

%/°C

adjustability

via built-in trimpot

±5

%

PROTECTIONS

parameter

conditions/description

min

typ

max

units

over voltage protection

output shutdown, latching

12 Vdc output model

15 Vdc output model

24 Vdc output model

27 Vdc output model

36 Vdc output model

48 Vdc output model

16

25

32

35

50

60

Vdc

Vdc

Vdc

Vdc

Vdc

Vdc

over current protection

hiccup, auto recovery

130

%

short circuit protection

continuous, auto recovery, hiccup

over temperature protection

output shutdown, auto recovery

Additional Resources: Product Page | 3D Model