cui .com date 02/01/2012 page 1 of 5 series: vesd1-sip description: dc-dc converter date 02/01/2012 page 1 of 5 rohs model input voltage output voltage output current ef ciency ul 60950 typ (vdc) range (vdc) (vdc) min (ma) max (ma) typ (%) vesd1-s5-d5-sip 5 4.5 ~ 5.5 5 10 100 72 yes vesd1-s5-d9-sip 5 4.5 ~ 5.5 9 6 56 75 yes vesd1-s5-d12-sip 5 4.5 ~ 5.5 12 5 42 78 yes vesd1-s5-d15-sip 5 4.5 ~ 5.5 15 4 33 79 yes vesd1-s12-d5-sip 12 10.8 ~ 13.2 5 10 100 74 yes vesd1-s12-d9-sip 12 10.8 ~ 13.2 9 6 56 76 yes vesd1-s12-d12-sip 12 10.8 ~ 13.2 12 5 42 79 yes vesd1-s12-d15-sip 12 10.8 ~ 13.2 15 4 33 80 yes vesd1-s15-d5-sip 15 13.5 ~ 16.5 5 10 100 74 no vesd1-s15-d9-sip 15 13.5 ~ 16.5 9 6 56 75 no vesd1-s15-d12-sip 15 13.5 ~ 16.5 12 5 42 79 no vesd1-s15-d15-sip 15 13.5 ~ 16.5 15 4 33 79 no vesd1-s24-d5-sip 24 21.6 ~ 26.4 5 10 100 74 yes vesd1-s24-d9-sip 24 21.6 ~ 26.4 9 6 56 76 yes vesd1-s24-d12-sip 24 21.6 ~ 26.4 12 5 42 80 yes vesd1-s24-d15-sip 24 21.6 ~ 26.4 15 4 33 81 yes features ? 1 w isolated output ? industry standard 7 pin sip package ? dual unregulated outputs ? 3,000 v isolation ? short circuit protection ? ul safety approvals (some models) ? wide temperature (-40~85c) ? efficiency up to 81%
cui .com date 02/01/2012 page 2 of 5 cui inc series: vesd1-sip description: dc-dc converter input parameter conditions/description min typ max units operating input voltage 4.5 10.8 13.5 21.6 5 12 15 24 5.5 13.2 16.5 26.4 vdc vdc vdc vdc output parameter conditions/description min typ max units line regulation for vin change of 1% 1.2 % load regulation measured from 10% to full load 10 15 % voltage accuracy see tolerance envelope graph output ripple 20 mhz bandwidth 100 150 mvp-p switching frequency 100% load, input voltage range 100 200 khz temperature coef cient 0.03 %/c protections parameter conditions/description min typ max units short circuit protection 1s safety and compliance parameter conditions/description min typ max units isolation voltage tested for 1 minute 3,000 vdc safety approvals ul 60950 insulation resistance at 500 vdc 1,000 m rohs compliant yes mtbf 3,500,000 hours environmental parameter conditions/description min typ max units case operating temperature -40 85 c storage temperature -55 125 c storage humidity non-condensing 95 % temperature rise 100% load 15 25 c lead temperature 1.5 mm from the case for 10 seconds 300 c
cui .com date 02/01/2012 page 3 of 5 cui inc series: vesd1-sip description: dc-dc converter 6.00 12 5 6 7 1 2 5 6 7 side view bottom view 19.60 10.00 4.10 12 5 67 15.24 2.00 1.25 2.54 2.54 recommended footprint 1.00 + 0.15/-0 mechanical drawing mechanical parameter conditions/description min typ max units dimensions 0.77 x 0.39 x 0.24 inch (19.60 x 10.00 x 6.0 mm) case material plastic ul94-v0 weight 2.1 g 100 80 60 40 20 ambient temperature (c) load (%) -40 -20 0 20 40 60 85 100 120 derating curves units: mm all pins on a 2.54mm pitch all pin diameters are 0.50mm pin connections 1 +vin 2 -vin 5 -vout 6 com 7 +vout
cui .com date 02/01/2012 page 4 of 5 cui inc series: vesd1-sip 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 over-current and short-circui ts. the simplest method is to connect a self-recovery fuse in series at the input end or add a circuit breaker to the circuit. 3. filtering in some circuits which are sensitive to noise and ripple, a ltering capacitor may be added to the dc/dc output end and input end to reduce the noise and ripple. 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 the external capacitor table. to get an extremely low ripple, an ?lc? ltering network may be connected to the input and output ends of the dc/dc converter, which may produce a more signi cant ltering effect. it should also be noted that the inductance and the frequency of the ?lc? ltering network should be staggered with the dc/dc frequency to avoid mutual interference (figure 1). 4. output voltage regulation and over-voltage protection circuit the simplest device for output voltage regulation, over-voltage and over-current protection is a linear voltage regulator with overheat protection that is connected to the input or output end in series (figure 2). 5. external capacitor table it is not recommended to connect any external capacitor in the application eld with less than 0.5 w output. +vin -vin +vout com dc c l l dc l c c -vout vin (vdc) cout ( f) vout (vdc) cout ( f) 5 4.7 5 4.7 12 2.2 9 2.2 24 1 12 1 -- -- 15 0.47 table 1 figure 1 application notes +vin -vin +vin -vin reg +vout -vout com +vout dc dc dc dc reg reg com -vout figure 2
date 02/01/2012 page 5 of 5 cui inc series: vesd1-sip 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 12/09/2010 1.01 template update 02/02/2012 the revision history provided is for informational purposes only and is believed to be accurate. revision history
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