cui .com date 08/15/2012 page 1 of 4 series: vsk-s3 description: ac-dc power supply model output voltage output current output power ripple and noise 1 ef ciency (vdc) max (a) max (w) typ (mvp-p) typ (%) vsk-s3-3r3u 3.3 0.7 2.3 30 63 vsk-s3-5u 5 0.6 3 30 72 vsk-s3-9u 9 0.33 3 30 74 vsk-s3-12u 12 0.25 3 30 76 VSK-S3-15U 15 0.2 3 30 76 vsk-s3-24u 24 0.125 3 30 78 notes: 1. ripple and noise measured at 20 mhz bandwidth part number key vsk-s3 - xx u base number output voltage features ? up to 3 w continuous power ? compact board mount design ? universal input (85~264 vac / 110~370 vdc) ? single output from 3.3~24 v ? over voltage, over temperature, and short circuit protections ? ul/cul safety approvals ? efficiency up to 78% rohs
cui .com date 08/15/2012 page 2 of 4 cui inc series: vsk-s3 description: ac-dc power supply input parameter conditions/description min typ max units voltage 85 110 264 370 vac vdc frequency 47 440 hz current at 110 vac at 230 vac 65 30 ma ma inrush current at 110 vac at 230 vac 10 20 a a external input fuse (recommended) slow blow, 250 v 0.5 a output parameter conditions/description min typ max units line regulation 0.5 % load regulation 10 ~ 100% 1 % temperature coef cient 0.02 %/c hold-up time at 230 vac 50 ms voltage accuracy 3.3 v model all other models 3 2 % % switching frequency 100 khz protections parameter conditions/description min typ max units over voltage protection chip lock up short circuit protection auto recovery with no damage from a short on any output over temperature protection 150 c safety & compliance parameter conditions/description min typ max units isolation voltage primary to secondary (for 1 minute) 3,000 vac safety approvals iec 60950-1, en 60950-1, ul 60950-1 safety class class ii emi/emc en 55022 (level a), iec/en 61000-4-2 (level 4, 8kv/15kv), iec/en 61000-4-3, iec/en 61000-4-4 (level 3, 2kv), iec/en 61000-4-5 (level 3, 1kv/2kv) rohs compliant yes mtbf 25c 300,000 hrs environmental parameter conditions/description min typ max units operating temperature -25 70 c storage temperature -40 105 c case temperature 95 c operating humidity non-condensing 95 %
cui .com date 08/15/2012 page 3 of 4 cui inc series: vsk-s3 description: ac-dc power supply (7 plcs) 1.2 0.047 2.54 1 4 1 2 2 recommended footprint top view 3 26 13 16 16 22 3 1 3 1 26 bottom view 14 0.128 (2 plcs) 0.906 23.00 0.700 17.78 3.26 0.128 (2 plcs) 3.26 0.200 (typ) 0.328 8.34 0.528 13.42 5.08 2.61 0.103 (typ) 0.161 (typ) 1.457 37.00 15.00 4.10 0.591 0.80 0.031 (7 plcs) mechanical drawing mechanical parameter conditions/description min typ max units dimensions 1.457 x 0.908 x 0.591 (37.0 x 23.0 x 15.0 mm) inch case material ul94v-0 weight 25 g pin connections pin function 1l 3n 13 n/c 14 0v 16 +vo 22 +vin(dc) 26 -vin(dc) units: mm [inches] tolerance: 0.5 [0.02] pin section tolerance: 0.10 [0.004] derating curves input voltage (vac) load (%) 100 80 60 50 40 20 70 85 110 125 210 225 240 264 ambient temperature (c) load (%) 100 80 60 50 40 20 -40 -30 -25 -20 -10 0 10 50 60 70 1. output power vs. ambient temperature 2. output power vs. input voltage
date 08/15/2012 page 4 of 4 cui inc series: vsk-s3 description: ac-dc power supply 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 l +v0 -v0 l n n c1 c2 *fuse tvs rl *ntc mov c3 22 26 + + figure1 l +v 0 -v0 l n n c1 c2 *fuse tvs rl *ntc mov nf c8 c6 c7 c3 + + 22 26 figure 2 vsk-s3 emc filtering circuit typical application circuit external capacitors typical value (unit: f) model c1 c2 c3 tvs vsk-s3-3r3u 150 0.1 4.7/400v p4ke6.8a vsk-s3-5u 150 0.1 4.7/400v p4ke6.8a vsk-s3-9u 150 0.1 4.7/400v p4ke12a vsk-s3-12u 150 0.1 4.7/400v p4ke20a VSK-S3-15U 150 0.1 4.7/400v p4ke20a vsk-s3-24u 150 0.1 4.7/400v p4ke30a notes: 1. output ltering capacitors c1, c3 is electrolytic capacitors, it is recommended to use high frequency and low impedance electrolytic capacitors. for capacitance and current of capacitor please refer to manufacture?s datasheet. voltage derating of apacitor should be 80% or above. c2, c4 is ceramic capacitors , it is used to lter high frequency noise. tvs is a recommended component to protect post-circuits (when converter fails). 2. mov is required for vsk-s3 models. model: 471kd05, it is used to protect the device under surge. 3. it is recommended to connect fuse, the parameter is 0.5a/250v slow blow. external input ntc is recommended to use d -14 or 10 /2w wire-round resistor. 4. if emc performance is required, recommended to add ?emc lter? at the input end(see gure 2) c6:x capacitor, recommended parameter 0.1uf/275v; c7,c8:y capacitor, recommended parameter 220pf/275v; nf: common model choke, recommended inductance is about 10mh-30mh. 5. terminals 22 and 26 are internal recti cation and ltering terminals. to protect the models further, it is recommended to connect an electrolytic capacitor c3 (it is recommended to be 4.7uf/400v). if operation voltage of the module is between 160~264vac, c3 can be removed. rev. description date 1.0 initial release 02/27/2009 1.01 new template applied 04/10/2012 1.02 v-in nity branding removed 08/15/2012 the revision history provided is for informational purposes only and is believed to be accurate. revision history
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