Datasheet

cui.com
date 02/12/2015 │ page 2 of 7CUI 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coefcient at full load ±0.03 %/°C
OUTPUT
parameter conditions/description min typ max units
capacitive load 200 μF
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
1
1 s
Notes: 1. The supply voltage must be discontinued at the end of the short circuit duration
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
safety approvals
2
UL 60950-1
conducted emissions
CISPR22/EN55022,classB,externalcircuitrequired(seegure1)
radiated emissions
CISPR22/EN55022,classB,externalcircuitrequired(seegure1)
ESD
IEC/EN61000-4-2, contact ±8kV, class B
MTBF
asperMIL-HDBK-217F@25°C 3,500,000
hours
RoHS 2011/65/EU
Notes: 2.Seespecicmodelslistedonpage1
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
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