cui .com date 03/19/2013 page 1 of 6 "blank" = standard date page 1 of 6 features ? 3 w isolated output ? smaller package ? single regulated output ? 1,500 vdc isolation ? continuous short circuit, over current protection ? temperature range (-40~105c) ? high efficiency at light load ? high power density ? high vibration tolerance ? efficiency up to 80% model input voltage output voltage output current output power ripple and noise 1 effciency typ (vdc) range (vdc) (vdc) min (ma) max (ma) max (w) max (mvp-p) typ (%) pqm3-d12-s5-m 12 9~18 5 30 600 3 45 75 pqm3-d12-s12-m 12 9~18 12 13 250 3 45 80 pqm3-d12-s15-m 12 9~18 15 10 200 3 45 80 PQM3-D24-S5-M 24 18~36 5 30 600 3 45 77 pqm3-d24-s12-m 24 18~36 12 13 250 3 45 80 pqm3-d24-s15-m 24 18~36 15 10 200 3 45 80 pqm3-d48-s5-m 48 36~75 5 30 600 3 45 77 pqm3-d48-s12-m 48 36~75 12 13 250 3 45 80 pqm3-d48-s15-m 48 36~75 15 10 200 3 45 80 notes: 1. ripple and noise are measured at 20 mhz bw by parallel cable method part number key pqm3 - d xx - s xx - m - x input voltage output voltage packaging style package options base number smt tr = tape & reel series : pqm3-m description: dc-dc converter
cui .com date 03/19/2013 page 2 of 6 input parameter conditions/description min typ max units operating input voltage 12 v input models 24 v input models 48 v input models 9 18 36 12 24 48 18 36 75 vdc vdc vdc start-up voltage 12 v input models 24 v input models 48 v input models 4.5 11 24 8 16 33 9 18 36 vdc vdc vdc surge voltage for maximum of 1 second 12 v input models 24 v input models 48 v input models -0.7 -0.7 -0.7 25 50 100 vdc vdc vdc flter pi flter output parameter conditions/description min typ max units line regulation full load, input voltage from low to high 0.2 0.4 % load regulation 5% to 100% load 0.2 0.75 % voltage accuracy 5% to 100% load 1 3 % no-load output voltage accuracy 5v models all other models 1.5 1.5 5 3 % % switching frequency 100% load, nominal input voltage 350 khz transient recovery time 25% load step change 0.5 1 ms transient response deviation 25% load step change 2 5 % temperature coeffecient 100% load 0.02 0.03 %/c protections parameter conditions/description min typ max units short circuit protection continuous, automatic recovery over current protection 120 % 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 m? conducted emissions cispr22/en55022, class b (external circuit required, see figure 1-b) esd iec/en61000-4-2, class b, contact 4kv/ air 8kv radiated immunity iec/en61000-4-3, class a, 10v/m eft/burst iec/en61000-4-4, class b, 2kv (external circuit required, see figure 1-a) surge iec/en61000-4-5, class b, 2kv (external circuit required, see figure 1-a) conducted immunity iec/en61000-4-6, class a, 3 vr.m.s voltage dips & interruptions iec/en61000-4-29, class b, 0%-70% mtbf as per mil-hdbk-217f @ 25c 1,000,000 hours rohs compliant yes cui inc series : pqm3-m description: dc-dc converter
cui .com date 03/19/2013 page 3 of 6 18.10 [0.713 ] 5m ax 16 10 9 17 8 a a 16 10 9 17 8 front view side view top view pcb layou t grid size: 2.54mm x 2.54mm 23.86[0.939 ] 15.24[0.600] 2.54[0.100 ] 3.04[0.120 ] 18.10[0.713] 13.70[0.539 ] 8.00 [0.315 ] 0.50[0.020 ] 1.02[0.040] 7.50 [0.295 ] 0.25[0.010] 1.400.2 0 [0.0550.008] 17.20 [0.677] 2.10 [0.083] 1.00[0.039 ] to p view mechanical parameter conditions/description min typ max units dimensions 23.86 x 13.70 x 8.00 (0.939 x 0.539 x 0.315 inch) mm case material epoxy resin (ul94-v0) weight 5.2 g pin connections pin function 1 gnd 7 nc 8 nc 9 +vo 10 0v 16 vin mechanical drawing units: mm[inch] tolerance: 0.25[0.010] pin section tolerance: 0.10[0.004] parameter conditions/description min typ max units hand soldering 1.5 mm from case for 10 seconds 300 c refow soldering see refow soldering profle 245 c 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 % temperature rise at full load, ta=25c 25 c solderability environmental cui inc series : pqm3-m description: dc-dc converter
cui .com date 03/19/2013 page 4 of 6 recommended external circuit components vin (vdc) 12 24 48 fuse choose according to practical input current mov tbd 10d560 10d101 ldm1 tbd 56h 56h tvs tbd smcj48a smcj90a c0 tbd 120f/50v 120f/100v ldm2 tbd 12h 12h c1 tbd 475k/50v 475k/100v c2 tbd 475k/50v 475k/100v c3 tbd -- -- c4 tbd -- -- emc recommended circuit derating curves 100 80 60 40 20 ambient t emper ature (c) load (% ) -40- 20 02 04 06 0 85 105 120 sa fe operating area (a) ld m2 c0 tv s ld m1 mo v fu se c1 +i np ut + vin gn d +v o 0v eut lo ad c2 c4 c3 -i np ut (b) 0 50 10 0 15 0 20 0 25 0 ti me (s ec .) t e m p e r a t u re ( ) pe ak .t em p 245 (m ax .) 24 5 21 7 60 ma x (> 21 7) se c ? c ? c ? c refow soldering profle temperature derating curve figure 1 test configuration dc ci n li n dc load os ci ll os co pe cu rr en t pr ob e li n( 4. 7 h) ci n( 22 0 f, es r< 1. 0 at 100k hz ) note: input refected-ripple current is measured with an inductor lin and capacitor cin to simulate source impedance. external components lin 4.7h cin 220f, esr < 1.0? at 100 khz cui inc series : pqm3-m description: dc-dc converter
cui .com date 03/19/2013 page 5 of 6 1. output load requirement to ensure this module can operate effciently and reliably, the minimum output load may not be less than 5% of the full load during operation. if the actual output power is low, connect a resistor at the output end in parallel to increase the load. 2. recommended circuit this series has been tested according to the following recommended testing circuit before leaving the factory. this series should be tested under load (see figure 2). if you want to further decrease the input/output ripple, you can increase the capacitance accordingly or choose capacitors with low esr. however, the capacitance of the output flter capacitor must be appropriate. if the capacitance is too high, a startup problem might arise. for every channel of the output, to ensure safe and reliable operation, the maximum capaci - tance must be less than the maximum capacitive load (see table 1). 3. input current when it is used in an unregulated condition, make sure that the input fuctuations and ripple voltage do not exceed the module stan - dard. refer to figure 3 for the startup current of this dc-dc module. application notes figure 2 figure 3 table 1 vin (vdc) cin (f) cout (f/ma) 12 100 10/100 24 10~47 10/100 48 10~47 10/100 note: 1. minimum load shouldn't be less than 5%, otherwise ripple may increase dramatically. operation under minimum load will not damage the converter, however, they may not meet all specifcations listed. 2. maximum capacitive load is tested at input voltage range and full load. 3. all specifcations are measured at ta=25c, humidity<75%, nominal input voltage and rated output load unless otherwise specifed. ra ng e in pu tv olta ge in p ut c ur re nt(a ) in pu tv ol tage (v ) ip vin (vdc) ip (ma) 12 600 24 300 48 150 dc dc vi n gn d +v o 0v ci n co ut cui inc series : pqm3-m description: dc-dc converter
date 03/19/2013 page 6 of 6 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 be 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 device 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 03/19/2013 the revision history provided is for informational purposes only and is believed to be accurate. revision history cui inc series : pqm3-m description: dc-dc converter
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