cui.com

CUI Inc

│ SERIES: VWRBS2 │ DESCRIPTION: DC-DC CONVERTER

date

09/10/2012 │ page 2 of 5

INPUT

parameter

conditions/description

min

typ

max

units

operating input voltage

5 V model

12 V model

24 V model

48 V model

4.5

9.0

18.0

36.0

5

12

24

48

9.0

18.0

36.0

72.0

Vdc

Vdc

Vdc

Vdc

OUTPUT

parameter

conditions/description

min

typ

max

units

line regulation

input voltage from low to high

±0.2

±0.5

%

load regulation

measured from 10% load to full load

±0.5

±0.75

%

voltage accuracy

input voltage range refer to output load

±1

±3

%

switching frequency

100% load, input voltage range

180

500

kHz

temperature coefficient

±0.03

%/°C

PROTECTIONS

parameter

conditions/description

min

typ

max

units

short circuit protection

continuous

SAFETY AND COMPLIANCE

parameter

conditions/description

min

typ

max

units

isolation voltage

for 1 minute at 1 mA max.

1,500

Vdc

isolation resistance

at 500 Vdc

1,000

MΩ

MTBF

1,000,000

hours

RoHS compliant

yes

ENVIRONMENTAL

parameter

conditions/description

min

typ

max

units

operating temperature

-40

85

°C

storage temperature

-50

125

°C

storage humidity

non-condensing

95

%

temperature rise

at full load

15

35

°C

lead temperature

1.5 mm from case for 10 seconds

300

°C

PART NUMBER KEY

Input Voltage

Output Voltage

Base Number

Packaging Style