page

date

DESCRIPTION: switching power supply

2 of 4

02/2009

20050

phone

phone 503.612.2300 fax

fax 503.612.2382

PART NUMBER: VGS-25-XX

OUTPUT

parameter

conditions/description

min

nom

max

units

voltage tolerance

3.3 V

-3

+3

%

5 V

-2

+2

%

12 V, 15 V, 24 V, 48 V

-1

+1

%

voltage adjust range

-10

+10

%

ripple & noise (20MHz BW)

3.3 V, 5 V

100

mV RMS

12 V, 15 V, 24 V

120

mV RMS

48 V

200

mV RMS

setup rise hold time

setup: 800 ms, rise: 50 ms / 230 V ac

setup: 1000 ms, rise: 65 ms / 115 V ac

hold: >32 ms / 230 V ac, >10 ms / 115 V ac

temperature coefficient

at 0~50°C

±0.03

%/°C

short circuit protection

continuous

-0.5

+0.5

%

±2

%

over voltage protection

latch-off mode

115

150

%

over current protection

hiccup mode, auto recovery

110

%

ISOLATION SPECIFICATIONS

parameter

conditions/description

min

nom

max

units

isolation voltage

input/output, for 1 minute

3000 (4242)

V ac (V dc)

input/case, for 1 minute

1500 (2121)

V ac (V dc)

output/case, for 1 minute

500 (707)

V ac (V dc)

isolation resistance

100

M

Ω

ENVIRONMENTAL

parameter

conditions/description

min

nom

max

units

storage temperature

-40

85

° C

operating temperature

-25

70

° C

operating humidity

20

90

%

vibration

10~500 Hz, 5 G, 10 minutes, 1 cycle (1 hour each axis)

SAFETY & EMI

parameter

conditions/description

min

nom

max

units

safety approvals

UL60950-1, TUV EN60950-1 approved

EMI standard

EN55022: 1998+A1: 2000+A2: 2003 class B

EMC

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

RoHS compliant

yes

leakage current

at 240 V ac

2

mA

RELIABILITY

mean time before failure (MTBF)

620,300 hours compliance

standard: MIL-HDBK-217F

GENERAL SPECIFICATIONS

dimensions

79 x 51 x 28 mm

packaging

0.18 kg; 60 pcs / 13 kg

notes:

3. measured from high line to low line at full load

4. measured from full load to zero to 100% load at nominal input