V-Infinity, LLC, 20050 SW 112th Ave., Tualatin, OR 97062

www.v-infinity.com

1-866-372-1258

VSBU-120 Single Output Switching Power Supply

Rev 12-2006

Environmental

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Operating Temperature

0

70

°C

Storage Temperature

-40

85

°C

Relative Humidity

5

95

%

Derating

Derate linearly from 100% load at 50°C to 50% load at 70°C

Safety Specifications

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Dielectric withstanding voltage

Primary to secondary

4242

VDC

Dielectric withstanding voltage

Primary to ground

2121

VDC

Isolation resistance

Test voltage=500VDC

50

M

Ω

EMI requirements for CISPR-22

at 220VAC

B

Class

EMI requirements for FCC part-15

at 110 VAC

B

Class

V-Infinity reserves the right to make changes to its products or to discontinue any product or service without notice, and to advise customers to verify

the most up-to-date product information before placing orders. V-Infinity assumes no liability or responsibility for customer’s applications using V-Infinity

products other than repair or replacing (at V-I’s option) V-Infinity products not meeting V-I’s published specifications. Nothing will be covered outside of

standard product warranty.

Electrical Characteristics

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Input Voltage

90

264

VAC

130

370

VDC

Input Frequency

47

63

Hz

Power Factor Correction

Full load at 90~260VAC

0.95

0.97

1.0

Output Power Range

at 90 to 264 VAC

0

120

W

Input Current (low line)

Full load at 115VAC

1.7

A

Input Current (high line)

Full load at 230VAC

1.0

A

Low Line Inrush Current

Full load, 25°C, cool start, at 115VAC

12

15

A

High Line Inrush Current

Full load, 25°C, cool start, at 230VAC

26

30

A

Efficiency

Full load, at 230VAC

70

80

88

%

Line Regulation

Full load

0.5

1

%

Load Regulation

at 230VAC

3

5

%

Over Voltage Protection

112

132

%

Over Current Protection

110

150

%

Transient Response

Full load to Half load, at 100VAC

4

mS

Hold-Up Time

Full load, at 110VAC

16

mS

Start up time

Full load, at 100VAC

0.3

1

2

S

Ripple & Noise (Peak to Peak)

Full load, at 90VAC

0.2

1

%

Safety Ground Leakage Current

Full load, at 240VAC

0.4

0.75

mA

Temperature Coefficient

All output

-0.04

0.04

%/°C