for more information, please visit the product page. ????????? ?????????????????? cui .com date 09/05/2012 page 1 of 6 series: vwrbs1 description: dc-dc converter date 09/05/2012 page 1 of 6 features ? 1 w isolated output ? wide input (2:1) ? industry standard 8 pin sip package style ? single unregulated outputs ? 1,500 v isolation ? short circuit protection ? wide temperature (-40~85c) ? efficiency up to 80% rohs model input voltage output voltage output current output power ripple and noise 1 ef ciency typ (vdc) range (vdc) (vdc) min (ma) max (ma) max (w) typ (mvp-p) typ (%) vwrbs1-d5-s5-sip 5 4.5~9 5 20 200 1 35 70 vwrbs1-d5-s9-sip 5 4.5~9 9 11 111 1 35 71 vwrbs1-d5-s12-sip 5 4.5~9 12 8 83 1 35 76 vwrbs1-d5-s15-sip 5 4.5~9 15 7 67 1 35 75 vwrbs1-d12-s5-sip 12 9~18 5 20 200 1 30 76 VWRBS1-D12-S9-SIP 12 9~18 9 11 111 1 30 78 vwrbs1-d12-s12-sip 12 9~18 12 8 83 1 30 79 vwrbs1-d12-s15-sip 12 9~18 15 7 67 1 30 80 vwrbs1-d15-s5-sip 15 9~18 5 20 200 1 80 75 vwrbs1-d15-s9-sip 15 9~18 9 11 111 1 80 79 vwrbs1-d15-s12-sip 15 9~18 12 8 83 1 80 80 vwrbs1-d15-s15-sip 15 9~18 15 7 67 1 80 81 vwrbs1-d24-s5-sip 24 18~36 5 20 200 1 55 76 vwrbs1-d24-s9-sip 24 18~36 9 11 111 1 55 78 vwrbs1-d24-s12-sip 24 18~36 12 8 83 1 55 80 vwrbs1-d24-s15-sip 24 18~36 15 7 67 1 55 80 vwrbs1-d48-s5-sip 48 36~72 5 20 200 1 382 76 vwrbs1-d48- s9-sip 48 36~72 9 11 111 1 382 78 vwrbs1-d48- s12-sip 48 36~72 12 8 83 1 382 80 vwrbs1-d48- s15-sip 48 36~72 15 7 67 1 382 80 notes: 1. ripple and noise are measured at 20 mhz bw part number key vwrbs1 - d xx - s xx -sip input voltage output voltage base number packaging style discontinued
for more information, please visit the product page. ?????????????????? cui .com date 09/05/2012 page 2 of 6 cui inc series: vwrbs1 description: dc-dc converter input parameter conditions/description min typ max units input surge voltage for 1,000 ms 5 vdc model 12 vdc model 24 vdc model 48 vdc model -0.7 -0.7 -0.7 -0.7 12 25 50 100 vdc vdc vdc vdc internal power dissipation 1.6 w short circuit input power 1w input lter c lter output parameter conditions/description min typ max units voltage accuracy positive negative refer to recommended circuit 1 2 3 5 % % line regulation measured from low line to high line 0.2 0.5 % load regulation measured from 10% to 100% full load 0.5 0.75 % transient recovery time 25% load step change 8 10 ms transient response deviation 25% load step change 3 5 % ripple & noise all other models 15 v model 25 80 75 150 mvp-p mvp-p switching frequency 100% load, nominal input voltage 300 khz temperature coef cient 0.03 %/c protections parameter conditions/description min typ max units short circuit protection continuous, automatic recovery safety and compliance parameter conditions/description min typ max units isolation voltage tested for 1 minute at 1 ma max. 1,500 vdc insulation resistance at 500 vdc 1,000 m isolation capacitance input to output 35 pf rohs compliant yes mtbf mil-hdbk-217f, 25c 1,000,000 hours environmental parameter conditions/description min typ max units operating temperature -40 85 c storage temperature -50 125 c storage humidity non-condensing 95 % temperature rise at full load, 25c all other models 15 v model 15 80 35 150 c c lead temperature 1.5 mm from case for 10 seconds 300 c discontinued
for more information, please visit the product page. ?????????????????? cui .com date 09/05/2012 page 3 of 6 cui inc series: vwrbs1 description: dc-dc converter emc recommended circuit recommended external circuit parameters vin = 5v vin = 12v vin = 24v vin = 48v fuse choose according to load mov --- --- 10d560k 10d121k ldm1 --- --- 82 h, cd53 tvs smcj13a smcj28a smcj48a smcj100a c0 680 f / 16 v 680 f / 25 v 120 f / 50 v 120 f / 100 v c1 4.7 f / 50 v, 1210 2.2 f / 50 v, 1210 4.7 f / 50 v, 1210 4.7 f / 100 v, 1210 ldm2 12 h, cd43 c2 1 f / 50 v, 1210 1 f / 50 v, 1210 1 f / 50 v, 1210 1 f / 100 v, 1210 c4 100 pf / 2 kv, 1206 100 pf / 2 kv, 1206 100 pf / 2 kv, 1206 discontinued
for more information, please visit the product page. ?????????????????? cui .com date 09/05/2012 page 4 of 6 cui inc series: vwrbs1 description: dc-dc converter ?0 .70 [0.028] 22.00 [0.866] 23 5 6 78 9.50 [0.374] 1 2.50 [0.098] 0.30[0.012] 0 . 50 [ 0.020] 0.50[0.020] 17.78[0.700] 12.00 [0.472] 4.10 [0.161] 2.54[0.100] 2.54[0.1 0 0] 2.50[0.098] 2.54[0.100] 23 5 678 1 (bottom view) (side view) 17.78[0.700] mechanical drawing mechanical parameter conditions/description min typ max units dimensions 0.866 x 0.472 x 0.374 (22.00 x 12.00 x 9.50 mm) inch case material ul94-v0 epoxy resin weight 5g pin connections pin function 1 gnd 2 vin 3 ctrl 5nc 6+vo 70 v 8cs units: mm [inches] tolerance: 0.25 [0.010] pin section tolerance: 0.10 mm [0.004] derating curves input voltage (vac) efficiency (%) 85 83 81 79 77 75 73 71 69 9 10 11 12 13 14 15 16 17 18 output current (%) efficiency (%) 90 80 70 60 50 40 30 20 10 20 30 40 50 60 70 80 90 100 vin=vin-min vin=vin-nom 100 80 60 40 20 ambient temperature (c) load (%) -40 -20 0 20 40 60 71 100 120 85 1. output power vs. ambient temperature 2. ef ciency vs. output power 3. ef ciency vs. output current discontinued
for more information, please visit the product page. ?????????????????? cui .com date 09/05/2012 page 5 of 6 cui inc series: vwrbs1 description: dc-dc converter 1. requirement on output load in order to ensure the product operates ef ciently and reliably, make sure the speci ed range of input voltage is not exceeded and the minimum output load is not less than 10% load. if the actual load is less than the speci ed minimum load, the output ripple may increase sharply while its ef ciency and reliability will reduce greatly. if the actual output power is very small, please add an appropriate resistor as extra loading. 2. overload protection under normal operating conditions, the output circuit of these products has no protection against overload. the simplest method is to connect a self-recovery fuse in series at the end or add a circuit breaker to the circuit. 3. recommended circuit all vwrbs1 converters have been tested according to the following recommended testing circuit before leaving the factory. this series should be tested under load, never under no load (figure 1). however, the capacitance of the output lter capacitor must be proper. if the capacitance is too big, a startup problem might arise. for every channel of output, provided the safe and reliable operation is ensured, the greatest capacitance of its lter capacitor sees (table 1). general: 4. ctrl terminal when open or high impedance, the converter work well; when this pin is ?high?; the converter shutdown; it should be note that the input current should between 5~10 ma, exceeding the maximum 20 ma will cause permanence damage to the converter. the value of r can be derived as follows: 5. input current while using unstable power source, please ensure the output voltage and ripple voltage do not excced indexes of the converter. the preceding power source must be able to provide for converter suf cient starting current ip. general: ip 1.4*iin-max 6. no parallel connection or plug and play +vo 0v co ut 6 7 8 cs cin vi n gnd 2 1 3 vc r li n ic d1 vout (vdc) cout (f) 3.3 2,200 5 1,000 9 680 12 470 15 330 table 1 application notes i n pu t curr e nt(a ) input volta g e ( v ) input voltage range ip figure 1 cin 5, 12 v 100 f 24, 48 v 10 f cout 47 f typ. lin 4.7~120 h lout 2.2~10 h cs 10~22 f 5 vdc models 12 vdc models 24 vdc models 48 vdc models 1,000 ma slow-blow type 500 ma slow-blow type 250 ma slow-blow type 120 ma slow-blow type r= v c -v d -1.0 i c discontinued
for more information, please visit the product page. ????????? date 09/05/2012 page 6 of 6 cui inc series: vwrbs1 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 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 09/10/2008 1.01 new template applied 05/23/2012 1.02 v-in nity branding removed 09/04/2012 the revision history provided is for informational purposes only and is believed to be accurate. revision history discontinued
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