cui.com

date

08/12/2011 │ page 2 of 5

CUI Inc

│ SERIES: VGS-50 │ DESCRIPTION: SWITCHING POWER SUPPLY

INPUT

parameter

conditions/description

min

nom

max

units

voltage range

88

125

264

373

Vac

Vdc

frequency range

50

60

Hz

current

at 115 Vac, cold start

at 230 Vac, cold start

1.3

0.65

A

A

inrush current

at 230 Vac, full load, cold start

40

A

OUTPUT

parameter

conditions/description

min

nom

max

units

voltage adjust

±10

voltage tolerance

3.3 V models

5 V models

all other models

±3

±2

±1

%

%

%

line regulation

low line to high line

±0.5

%

load regulation

3.3 V models

5 V models

all other models

±2.0

±1.0

±0.5

%

%

%

start-up time

at 115 Vac, cold start

at 230 Vac, cold start

1.0

0.8

s

s

rise time

at 115 Vac, cold start

at 230 Vac, cold start

65

50

ms

ms

hold-up time

at 115 Vac, cold start

at 230 Vac, cold start

10

32

ms

ms

SAFETY & COMPLIANCE

parameter

conditions/description

min

nom

max

units

isolation voltage

input to output:

input to case:

output to case:

4,242

2,121

707

Vdc

Vdc

Vdc

safety approvals

UL60950-1 / TUV EN60950-1 Approved

EMI/EMC

EN55022 : 1998+A1 : 2000+A2 : 2003 Class B, EN61000-3-2 : 2000+A2 : 2005 Class A,

EN61000-3-3 : 1995+A1 : 2001, EN61204-3 : 2000 EN50204 1998+A1 : 2001+A2 :

2003 light industry level, criteria A

leakage current

measured per IEC 60950-1, paragraph 5.1,

test voltage of 240 Vac/60 Hz

2mA

RoHS compliant

yes

MTBF

at 230 Vac, MIL-HDBK-217F 25 °C ambient

620,300

hrs

ENVIRONMENTAL

parameter

conditions/description

min

nom

max

units

operating temperature

see derating curve

-20

70

°C

storage temperature

see derating curve

-40

85

°C

relative humidity

non-condensing operating

20

90

%

temperature coefficient

(0 ~ 50°C)

0.3

%/°C

vibration

(10 ~ 500 Hz, 1 hour per axis, 3 hours total)

5

Grms