cui .com date page 1 of 7 series: vqa description: dc-dc converter 09/23/2013 model input voltage output voltage output current ripple and noise 1 ef ciency 2 typ (vdc) range (vdc) (vdc) max (ma) max (mvp-p) typ (%) vqa-s9-d15-sip 12 9~15 15 -8 100 -80 200 80 vqa-s12-d15-sip 12 11.6~12.4 15 -8.7 80 -40 200 80 VQA-S15-S9-SIP 15 14.5~15.5 9 111 200 80 vqa-s15-d9-sip 15 14.5~15.5 9 -9 55 -55 200 80 vqa-s15-d15-sip 15 14.5~15.5 15 -8.7 80 -40 200 80 vqa-s15-d17-sip 15 14.5~15.5 17 -8.7 80 -40 200 80 vqa-s24-d15-sip 24 23.3~24.7 15 -8.7 80 -40 200 80 notes: 1. ripple and noise measured at 20 mhz bandwidth, full load 2. at full load date page 1 of 7 features ? designed for igbt driver modules ? small footprint ? 3,000 vac isolation ? short circuit protection ? temperature range (-40~105c) ? efficiency up to 80% part number key vqa-s xx - xxx -sip output voltage base number input voltage output s = single d = dual
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 coef cient 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 m isolation capacitance input to output, 100 khz/0.1 v 6.6 pf 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 mil-hdbk-217f @ 25c 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=25c 25 c
cui .com date 09/23/2013 page 3 of 7 cui inc series: vqa description: dc-dc converter derating curves grid size: 2.54mm x 2.54mm to p v i e w pcb layout front view bottom view mechanical drawing pin connections pin function 1 vin 2 gnd 5 * -vo 60 v 7+vo units: mm [inches] tolerance: 0.50 [0.020] pin section tolerance: 0.10 [0.004] note: *VQA-S15-S9-SIP has no connection 100 80 60 40 20 ambient temperature (c) load (%) -40 -20 0 20 40 60 85 105 120 temperature derating curve safe operating area
cui .com date 09/23/2013 page 4 of 7 cui inc series: vqa description: dc-dc converter performance curves 100 90 80 70 60 50 40 30 20 10 0 0 8 16 24 32 40 48 56 64 72 80 88 efficiency (%) current i o 1 (ma) 1. output current vs. ef ciency 2. output current vs. output voltage 20 18 16 14 12 10 8 6 4 2 0 0 8 16 24 32 40 48 56 64 72 80 88 voltage v o 1 (v) current i o 1 (ma) 100 90 80 70 60 50 40 30 20 10 0 0 10 20 30 40 50 60 70 80 90 100 efficiency (%) current i o 1 (ma) vqa-s12-d15-sip, vqa-s15-d15-sip, vqa-s24-d15-sip 20 18 16 14 12 10 8 6 4 2 0 0 10 20 30 40 50 60 70 80 90 100 voltage v o 1 (v) current i o 1 (ma) vqa-s15-d17-sip vqa-s15-d17-sip 100 90 80 70 60 50 40 30 20 10 0 0 10 20 30 40 50 60 70 80 90 100 efficiency (%) current i o 1 (ma) 20 18 16 14 12 10 8 6 4 2 0 0 10 20 30 40 50 60 70 80 90 100 voltage v o 1 (v) current i o 1 (ma) vqa-s9-d15-sip vqa-s9-d15-sip vqa-s12-d15-sip, vqa-s15-d15-sip, vqa-s24-d15-sip
cui .com date 09/23/2013 page 5 of 7 cui inc series: vqa description: dc-dc converter 1 2 6 5 7 v c3 + c1 + vin load eut a vin gnd +vo 0v -vo 1 2 7 6 5 v c2 + c1 + vin load eut a vin gnd +vo 0v -vo vin gnd +vo -vo (0v) eut load ldm c1 vin gnd test configuration emc recommended circuit c1, c2, c3: 100 f/35v (low impedance) recommended external circuit components vin (vdc) c1 ldm 12 4.7 f/50v 12 h 15 4.7 f/50v 12 h 24 4.7 f/50v 12 h figure 1 figure 2 table 1 performance curves (continued) 100 90 80 70 60 50 40 30 20 10 0 0 10 20 30 40 50 60 70 80 90 100 efficiency (%) current i o 1 (ma) 20 18 16 14 12 10 8 6 4 2 0 0 10 20 30 40 50 60 70 80 90 100 voltage v o 1 (v) current i o 1 (ma) VQA-S15-S9-SIP VQA-S15-S9-SIP 100 90 80 70 60 50 40 30 20 10 0 0 10 20 30 40 50 60 70 80 90 100 efficiency (%) current i o 1 (ma) 20 18 16 14 12 10 8 6 4 2 0 0 10 20 30 40 50 60 70 80 90 100 voltage v o 1 (v) current i o 1 (ma) vqa-s15-d9-sip vqa-s15-d9-sip 1. output current vs. ef ciency 2. output current vs. output voltage
cui .com date 09/23/2013 page 6 of 7 cui inc series: vqa description: dc-dc converter 7 6 1 2 5 vin c1 c2 c3 eut igbt rg vin gnd +vo 0v -vo control singal igbt driver application circuit c1: 100 f/35v (low impedance) c2: 100 f/35v (low impedance) c3: 100 f/35v (low impedance) notes: 1. the wire between the converter and igbt driver must as short as possible. 2. external lter capacitors should be connected as close as possible to the converter and the igbt driver. 3. the output average power of the igbt driver should be less than the output power of dc-dc module. 4. maximum capacitive load is tested at nominal input voltage and full load. note: 1. all speci cations are measured at ta=25c, humidity <75%, nominal input voltage and rated output load unless otherwise speci ed. figure 3
date 09/23/2013 page 7 of 7 cui inc series: vqa description: dc-dc converter cui offers a two (2) year limited warranty. complete warranty information is listed on our website. cui reserves the right to make changes to the product at any time without notice. information provided by cui is believed to b e accurate and reliable. however, no responsibility is assumed by cui for its use, nor for any infringements of patents or other rights of third parties which may result from its use . cui products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. a critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support devi ce or system, or to affect its safety or effectiveness. headquarters 20050 sw 112th ave. tualatin, or 97062 800.275.4899 fax 503.612.2383 cui .com techsupport@cui.com rev. description date 1.0 initial release 08/16/2012 1.01 updated features 09/20/2012 1.02 updated product photograph 11/13/2012 1.03 various updates 02/05/2013 1.04 added switching frequency to spec 07/01/2013 1.05 added models, updated spec 09/23/2013 the revision history provided is for informational purposes only and is believed to be accurate. revision history
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