for more information, please visit the product page. ????????? ?????????????????? cui .com date 06/16/2014 page 1 of 9 date 06/16/2014 page 1 of 9 features ? up to 50 w isolated output ? rugged metal enclosure with integrated heat sink ? 4:1 input range (9~36 vdc, 18~75 vdc) ? single output from 3.3~48 vdc ? 1,500 vdc isolation ? over current, over temperature, over voltage, and short circuit protections ? remote on/off ? efficiency up to 83% ? comes with din-rail mount part number key model input voltage output voltage output current output power ripple and noise 1 effciency range (vdc) (vdc) max (a) max (w) max (mvp-p) typ (%) vhk50w-q24-s3r3-din 9 ~ 36 3.3 10 33 100 75 vhk50w-q24-s5-din 9 ~ 36 5 10 50 100 79 vhk50w-q24-s12-din 9 ~ 36 12 4.16 50 150 82 vhk50w-q24-s15-din 9 ~ 36 15 3.33 50 150 82 vhk50w-q24-s24-din 9 ~ 36 24 2.08 50 240 82 vhk50w-q24-s28-din 9 ~ 36 28 1.78 50 280 82 vhk50w-q24-s48-din 9 ~ 36 48 1.04 50 480 82 vhk50w-q48-s3r3-din 18 ~ 7 5 3.3 10 33 100 76 vhk50w-q48-s5-din 18 ~ 75 5 10 50 100 80 vhk50w-q48-s12-din 18 ~ 75 12 4.16 50 150 83 vhk50w-q48-s15-din 18 ~ 75 15 3.33 50 150 83 vhk50w-q48-s24-din 18 ~ 75 24 2.08 50 240 83 vhk50w-q48-s28-din 18 ~ 75 28 1.78 50 280 83 vhk50w-q48-s48-din 18 ~ 75 48 1.04 50 480 83 note: 1. ripple and noise are measured at full load, 20 mhz bw with 10f tantalum capacitor and 1f ceramic capacitor across output. the 48 vdc output models only require the 1f ceramic capacitor across the output. vhk50w - q xx - s xxx - din input voltage output voltage base number mounting type din = din-rail mount remote on/off control "blank" = positive logic n = negative logic series : VHK50W-DIN description: dc-dc converter
for more information, please visit the product page. ?????????????????? cui .com date 06/16/2014 page 2 of 9 input parameter conditions/description min typ max units operating input voltage 24 vdc input models 48 vdc input models 9 18 24 48 36 75 vdc vdc under voltage shutdown 24 vdc input power up power down 8.8 8 vdc vdc 48 vdc input power up power down 17 16 vdc vdc ctrl 1 positive logic models on (open circuit) models off (0~0.8 vdc) negative logic models on (0~0.8 vdc) models off (open circuit) flter pi flter input fuse 15a time delay fuse for 24 vin models, 8a time delay fuse for 48 vin models note: 1. open collector refer to -vin output parameter conditions/description min typ max units maximum capacitive load 3.3 and 5 v output models 12 v output models 15 v output models 24 v output models 28 v output models 48 v output models 47 10,000 4,160 3,330 2,080 1,780 1,040 f f f f f f line regulation 2 measured from high line to low line 0.2 % load regulation 2 measured from full load to zero load 0.2 % voltage accuracy 2 1 % adjustability 10 % switching frequency 300 khz transient response 25% step load change 500 s temperature coeffcient 0.03 %/c note: 2. a 47 f aluminum capacitor is required on the output for 48 vdc output models. protections parameter conditions/description min typ max units short circuit protection continuous over current protection % nominal output current 110 160 % over voltage protection 115 140 % over temperature protection shutdown restart threshold 100 70 c c safety and compliance parameter conditions/description min typ max units isolation voltage for 1 min: input/output; input/case; output/case 1,500 vdc isolation resistance 10 m? rohs 2011/65/eu (ce) environmental parameter conditions/description min typ max units operating temperature see derating curve -40 85 c storage temperature -55 105 c cui inc series : VHK50W-DIN description: dc-dc converter
for more information, please visit the product page. ?????????????????? cui .com date 06/16/2014 page 3 of 9 38.0 1. 50 0. 57 14.6 35.0 1. 38 0. 50 12.8 2 - din rail clip ou tput in pu t 0. 75 1. 18 30. 0 30.0 1. 18 19.0 1. 91 48. 5 to p view side view bottom view back view front view 52.6 2. 07 4 1 5 9 1. 8 92. 0 17.0 4. 01 101 .8 4. 09 104. 0 4. 5 3. 62 4. 23 107. 5 0. 18 0. 07 0. 67 2. 76 70.0 mechanical parameter conditions/description min typ max units dimensions 4.23 x 4.01 x 2.07 (107.5 x 101.8 x 52.6 mm) inch case material steel and aluminum extrusion weight 651 g mechanical drawing pin connections pin function 1 +vin 2 -vin 3 rem 4 case 5 +vo 6 +s 7 trim 8 -s 9 -vo units: inch[mm] tolerance: x.xx = 0.02[0.5] x.xxx = 0.010[0.25] wire range: 22~12 awg screw size: #6-32 mounts to ts35 rails cui inc series : VHK50W-DIN description: dc-dc converter
for more information, please visit the product page. ?????????????????? cui .com date 06/16/2014 page 4 of 9 derating curves 0% 20% 40% 60% 80% 100% 120% -405 56 06 57 07 58 08 5 ambient temperature - degrees c relative output power - % of nominal output natural convection 0.5 m/s (100lfm) 1.0 m/s (200lfm) 1.5 m/s (300lfm) 2.0 m/s (400lfm) 2.5 m/s (500lfm) 3.0 m/s (600lfm) 3.5 m/s (700lfm) vhk50w power derating curves at nominal input emc recommended circuits figure 1 figure 2 recommended circuit for en55022 class a (for all 3.3, 5, 12, 15, 24, & 28 vdc output models) en55022 class a table 1 test configuration c1 ci n l1 to o sci ll os co pe +vin -v in +v o -v o r- load vi n + - note: input refected-ripple current is measured with an inductor l1 and capacitor c1 to simulate source impedance. external components l1 12h c1 220f, esr < 0.1? at 100 khz cin 100f, esr < 0.1? at 100 khz c4 dc/dc c onverte r case +v o -v o +vin c1 -vin l2 c3 c2 l1 +v o -v o +v in -v in -s +s cui inc series : VHK50W-DIN description: dc-dc converter
for more information, please visit the product page. ?????????????????? cui .com date 06/16/2014 page 5 of 9 emc recommended circuits ( continued ) figure 3 recommended circuit for en55022 class a (for all 48 vdc output models) table 2 class a recommended components c3 l2 l1 +v in +v in -vin -vin +v o -v o -s +s case dc/dc converter c2 c4 c1 co min. +v o -v o model c1 1 c2 2 c3 2 c4 1 l1 l2 co min. vhk50w-q24-s3r3 nc 100 f/50 v 100 f/50 v 2200 pf/2 kv short 3.5 h nc vhk50w-q24-s5 nc 100 f/50 v 100 f/50 v 2200 pf/2 kv short 3.5 h nc vhk50w-q24-s12 nc 100 f/50 v 100 f/50 v 2200 pf/2 kv short 3.5 h nc vhk50w-q24-s15 nc 100 f/50 v 100 f/50 v 2200 pf/2 kv short 3.5 h nc vhk50w-q24-s24 10 f/50 v 100 f/50 v 100 f/50 v nc 1.5 mh 3.4 h nc vhk50w-q24-s28 nc 100 f/50 v 100 f/50 v 2200 pf/2 kv short 3.4 h nc vhk50w-q24-s48 nc 100 f/50 v 100 f/50 v nc short 3.5 h 47 f vhk50w-q48-s3r3 nc 47 f/100 v 47 f/100 v 2200 pf/2 kv short 3.4 h nc vhk50w-q48-s5 nc 47 f/100 v 47 f/100 v 2200 pf/2 kv short 3.4 h nc vhk50w-q48-s12 nc 47 f/100 v 47 f/100 v 2200 pf/2 kv short 3.4 h nc vhk50w-q48-s15 nc 47 f/100 v 47 f/100 v 2200 pf/2 kv short 3.4 h nc vhk50w-q48-s24 nc 47 f/100 v 47 f/100 v 2200 pf/2 kv short 3.4 h nc vhk50w-q48-s28 nc 100 f/100 v 100 f/100 v 2200 pf/2 kv short 3.4 h nc vhk50w-q48-s48 nc 47 f/100 v 47 f/100 v 2200 pf/2 kv short 3.5 h 47 f note: 1. ceramic capacitors 2. aluminum capacitors en55022 class a cui inc series : VHK50W-DIN description: dc-dc converter
for more information, please visit the product page. ?????????????????? cui .com date 06/16/2014 page 6 of 9 c3 l2 l1 +v in +v in -vin -vin +v o -v o case dc/dc converter c2 c5 c1 +v o -v o -s +s c3 l2 c6 l1 +v in +v in -vin -vin +v o -v o -s +s case dc/dc converter c2 c4 c5 c1 co min. +v o -v o figure 5 recommended circuit for en55022 class b (for all 28 vdc output models) figure 6 recommended circuit for en55022 class b (for all 48 vdc output models) emc recommended circuits ( continued ) figure 4 recommended circuit for en55022 class b (for all 3.3, 5, 12, 15, & 24 vdc output models) en55022 class b l2 c6 c1 l1 +v in -vin +v o -v o case c2 c3 c4 c5 +v in -vin +v o -v o -s +s dc/dc converter cui inc series : VHK50W-DIN description: dc-dc converter
for more information, please visit the product page. ?????????????????? cui .com date 06/16/2014 page 7 of 9 emc recommended circuits ( continued ) table 3 class b recommended components model c1 2 c2 2 c3 2 c4 1 c5 1 c6 1 l1 l2 co min. vhk50w-q24-s3r3 100 f/50 v 100 f/50 v 100 f/50 v 3300 pf/2 kv nc nc 0.65 mh 1.5 h nc vhk50w-q24-s5 100 f/50 v 100 f/50 v 100 f/50 v 2200 pf/2 kv nc nc 0.65 mh 1.5 h nc vhk50w-q24-s12 100 f/50 v 100 f/50 v 100 f/50 v 3300 pf/2 kv nc nc 0.65 mh 1.5 h nc vhk50w-q24-s15 100 f/50 v 100 f/50 v 100 f/50 v 2200 pf/2 kv nc nc 0.65 mh 1.5 h nc vhk50w-q24-s24 10 f/50 v 1 100 f/50 v 100 f/50 v 2200 pf/2 kv 3300 pf/2 kv 1000 pf/2 kv 1.5 mh 3.4 h nc vhk50w-q24-s28 100 f/50 v 100 f/50 v nc nc 1000 pf/2 kv nc 0.12 mh 0.34 mh nc vhk50w-q24-s48 10 f/50 v 1 100 f/50 v 100 f/50 v 4700 pf/2 kv 2200 pf/2 kv 1000 pf/2 kv 1.5 mh 3.4 h 47 f vhk50w-q48-s3r3 47 f/100 v 47 f/100 v 47 f/100 v 3300 pf/2 kv 3300 pf/2 kv 1000 pf/2 kv 1.5 mh 3.4 h nc vhk50w-q48-s5 47 f/100 v 47 f/100 v 47 f/100 v 3300 pf/2 kv 3300 pf/2 kv 1000 pf/2 kv 1.5 mh 3.4 h nc vhk50w-q48-s12 47 f/100 v 47 f/100 v 47 f/100 v 3300 pf/2 kv 3300 pf/2 kv 1000 pf/2 kv 1.5 mh 3.4 h nc vhk50w-q48-s15 47 f/100 v 47 f/100 v 47 f/100 v 3300 pf/2 kv 3300 pf/2 kv 1000 pf/2 kv 1.5 mh 3.4 h nc vhk50w-q48-s24 47 f/100 v 47 f/100 v 47 f/100 v 3300 pf/2 kv 3300 pf/2 kv 1000 pf/2 kv 1.5 mh 3.4 h nc vhk50w-q48-s28 100 f/100 v 100 f/100 v nc nc 1000 pf/2 kv nc 0.12 mh 0.34 mh nc vhk50w-q48-s48 47 f/100 v 47 f/100 v 47 f/100 v 4700 pf/2 kv 2200 pf/2 kv 1000 pf/2 kv 1.5 mh 3.4 h 47 f note: 1. ceramic capacitors 2. aluminum capacitors en55022 class b cui inc series : VHK50W-DIN description: dc-dc converter
for more information, please visit the product page. ?????????????????? cui .com date 06/16/2014 page 8 of 9 application notes 1. output voltage trimming leave open if not used. +v in r tr im -u p r- load tr im +v o +s ense +s ense -s ense -s ense -v in -v o trim up +v in -v in -v o +v o r tr im - dow n r- load tr im trim dow n figure 7 application circuit for trim pin note: 1. all specifcations are measured at ta=25c, nominal input voltage and full output load unless otherwise specifed. table 4 vout (vdc) r1 (k?) r2 (k?) r3 (k?) vr (v) vf (v) 3.3 3 12 18 1.24 0.46 5 2.32 8.2 0 2.5 0 12 9.1 51 18 2.5 0.46 15 12 82 18 2.5 0.46 24 20 100 20 2.5 0.46 28 23.7 150 16 2.5 0.46 48 36 270 14 2.5 0.46 r 1 (v r - v f ( )) r trim - up = ( ) - (k ) r trim - down = - r 2 (k ) v o - v o, nom r 2 r 2 + r 3 r 2 + r 3 r 2 r 3 r 1 (v o - v r ) v o, nom - v o note: r trim-up is the external resistor in k? r trim-down is the external resistor in k? v o, nom is the nominal output voltage v o is the desired output voltage r1, r2, r3, and vr are internal (see table 4). formula for trim resistor cui inc series : VHK50W-DIN description: dc-dc converter
for more information, please visit the product page. ????????? date 06/16/2014 page 9 of 9 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 safet y 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 12/17/2013 1.01 changed din-rail mount 06/16/2014 the revision history provided is for informational purposes only and is believed to be accurate. revision history cui inc series : VHK50W-DIN description: dc-dc converter
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