cui.com

date

09/23/2013 │ page 2 of 7

CUI Inc

│ SERIES: VQA │ DESCRIPTION: DC-DC CONVERTER

INPUT

parameter

conditions/description

min

typ

max

units

input voltage

VQA-S9-D15-SIP

VQA-S12-D15-SIP

VQA-S24-D15-SIP

all other models

9

11.6

23.3

14.5

12

12

24

15

15

12.4

24.7

15.5

Vdc

Vdc

Vdc

Vdc

surge voltage

VQA-S9-D15-SIP

VQA-S12-D15-SIP

VQA-S24-D15-SIP

all other models

-0.7

-0.7

-0.7

-0.7

15

13

26

16

Vdc

Vdc

Vdc

Vdc

temperature coefficient

at full load

±0.03

%/°C

OUTPUT

parameter

conditions/description

min

typ

max

units

line regulation

for Vin change of ±1%

1.2

1.5

%

switching frequency

at full load, nominal input

100

200

KHz

PROTECTIONS

parameter

conditions/description

min

typ

max

units

short circuit protection

continuous, auto restart

SAFETY AND COMPLIANCE

parameter

conditions/description

min

typ

max

units

isolation voltage

input to output for 1 minute at 1 mA max. leakage

3,000

Vac

isolation resistance

input to output at 500 Vdc

1,000

MΩ

isolation capacitance

input to output, 100 kHz/0.1 V

6.6

pF

conducted emissions

CISPR22/EN55022, class B, external circuit required (see figure 1)

radiated emissions

CISPR22/EN55022, class B, external circuit required (see figure 1)

ESD

IEC/EN61000-4-2, contact ±8kV, class B

MTBF

MIL-HDBK-217F @ 25°C

3,500,000

hours

RoHS compliant

yes

ENVIRONMENTAL

parameter

conditions/description

min

typ

max

units

operating temperature

see derating curve

-40

105

°C

storage temperature

-55

125

°C

storage humidity

non-condensing

95

%

SOLDERABILITY

parameter

conditions/description

min

typ

max

units

hand soldering

1.5mm from case for 10 seconds

300

°C

MECHANICAL

parameter

conditions/description

min

typ

max

units

dimensions

19.50 x 9.80 x 12.5 (0.768 x 0.386 x 0.492 inch)

mm

material

plastic (UL94V-0)

weight

4.3

g

temperature rise

Ta=25°C

25

°C