the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice. ls03-05bxxs(-f) 2013.09.04-a/3 page 1 of 5 input specifications item test conditions min. typ. max. unit input voltage range ac input 85 -- 264 v dc input 70 -- 400 input current 115vac -- -- 0.12 ma 230vac -- -- 0.04 leakage current none external input fuse (recommended) 1a/250v,slow blow output specifications item test conditions min. typ. max. unit output voltage accuracy -- 2 -- % input variation full load -- 0.5 -- load variation 10%~100% load -- 1 -- ripple& noise 20mhz bandwidth(p-p) 3.3 /5 /9 vdc output -- 50 100 mv 12vdc output -- 60 120 15vdc output -- 75 150 24vdc output -- 120 240 min load 1 -- -- % over temperature protection -- -- 150 short circuit protection continuous, and auto recovery ls03-05bxxs(-f) series 3w, ac-dc (high voltage dc-dc) converter ls03 series ----- high efficiency green power modules with miniature packaging offered by mornsun. the features of this series are: wide input voltage, dc and ac all in one, high efficiency, high reliability, low loss, safety isolation etc., and it s widely used in industrial, office and civil equipments, as well as applications where no special requirement for emc performance. for harsh emc environment, the application circuit in the datasheet is strongly recommended. product features 1. universal input range :85~264vac(70~400vdc) 2. protection of output short circuit, over temperature 3. high efficiency, high density 4. low loss, green power 5. 90 degree curved series, minimizing product height 6. multiple models available 7. industrial level specifications part number system special mark put voltage voltage output power output voltage output style in isolation package style product series ls03-05b15s selection guide model power output (vo/io) max. capacitive load ripple and noise (typ.) efficiency (typ) ls03-05b03s(-f) 1.65w 3.3v/500ma 5000uf 50mv 70% LS03-05B05S(-f) 2.5w 5v/500ma 2000uf 70% ls03-05b09s(-f) 3w 9v/330ma 1000uf 75% ls03-05b12s(-f) 12v/250ma 470uf 60mv 78% ls03-05b15s(-f) 15v/200ma 350uf 75mv 78% ls03-05b24s(-f) 24v/125ma 220uf 120mv 78% note: the model of 90 degrees of corner is with f. for example the ls03-05b12s of 90 degrees of corner product is ls03-05b12s-f.
the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice. ls03-05bxxs(-f) 2013.09.04-a/3 page 2 of 5 common specifications item test conditions min. typ. max. unit operating temperature -40 -- +85 storage temperature -40 -- +105 case temperature -- -- +90 storage humidity -- -- +85 %rh temperature coefficient -- 0.02 -- %/ power derating 55 ~85 1.33 -- -- -40 ~-20 2 -- -- isolation resistance input-output tested for 1 minute 2000 -- -- vac switching frequency -- 100 -- khz weight -- 10 -- g welding temperature wave-soldering 260 5 ; time:5~10s manual-welding 360 10 ; time:3~5s case material grade ul 94v-0 install pcb note: 1. external electrolytic capacitor are required to models when ac input, more details refer to typical applications. 2. ripple and noise measuring refer to ripple and noise measure figure . 3. unless otherwise specified, all specifications above are measured at rated input voltage and rated output load, ta=25oc, humidity < 75%. 4. in this datasheet, all the test setup and methods are based on our corporate standards. 5. module required dispensing fixed after assembled. emc specifications emi ce cispr22/en55022 class b (recommended circuit refer to figure 3) re cispr22/en55022 class b (recommended circuit refer to figure 3) ems esd iec/en61000-4-2 contact 2kv perf. criteria b rs iec/en61000-4-3 10v/m perf. criteria a eft iec/en61000-4-4 2kv(without external circuit ) perf. criteria b iec/en61000-4-4 4kv (recommended circuit refer to figure 3) perf. criteria b surge iec/en61000-4-5 1kv/ 2kv (recommended circuit refer to figure 3) perf. criteria b cs iec/en61000-4-6 10 vr.m.s perf. criteria a pfm iec/en61000-4-8 10a/m perf. criteria a voltage dips, short and interruptions immunity iec/en61000-4-29 0%-70% perf. criteria b ripple and noise measure figure copper sheet load connect oscillograph probe fuse ac(l) ac(n) +vin(l) -vin(n) note: c1: 1 f (ceramic capacitor) c2: 10 f (electrolytic capacitor) product typical curve 40 100 60 80 -20 55 85 -40 input voltage: 100 ~ 340vdc 110 ~ 240vac ambient tem.() temperature derating graph o u t p u t p o w e r p e r c e n t ( % ) note: when input 85~110vac/240~264vac/70~100vdc/340~400vdc, it need to be voltage derated on basis of temperature derating. 100 340 400 100 60 80 70 vdc 110 240 264 85 vac input voltage derating graph o u t p u t p o w e r p e r c e n t ( % ) ambient temperature: 25
the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice. ls03-05bxxs(-f) 2013.09.04-a/3 page 3 of 5 structure figure dc/dc convertor +vin(l) -vin(n) + c1 12 7 10 1 3 rectificate contrl circuit feedback loop voltage sampling rectifier filter circuit +vo -vo +v(cap) typical applications c2 c3 7 +vo -vo tvsrl 3 1 ac(l) ac(n) c1 + 10 + cy 12 fuse ntc mov +vin(l) -vin(n) (figure 1): typical application circuit ac(l) ac(n) +vo -vo ac-dc +vin(l) +vo -vo -vin(n) (figure 2): because of the surge protection, this application is not available for this series. note: if you have such application, please consult to our fae department emc recommended circuit -vin(n) +vin(l) acdc c1 + 10 cy c2 c3 +vo -vo tvsrl + ac(n) ac(l) mov2 lcm cx cy1 cy2 can use mornsun s fc-l01dv1 fuse ldm (f igure 3 ) : r ecommended circuit for application s which require higher emc standard
the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice. ls03-05bxxs(-f) 2013.09.04-a/3 page 4 of 5 emc recommended circuit pcb layout (figure 4):emc application circuit pcb layout safety and recommend wiring: linewidth 3mm, line-line distance 6mm, line-ground distance 6mm, external components between primary circuit and secondary circuit 6.4mm . module required dispensing fixed after assembled external circuit parameters output voltage c1 c2 c3 fuse cy tvs 3.3v 10 f/400v 1 f/50v (ceramic capacitor) 150 f/25v 1a/250v 1nf/400vac smbj7.0a 5v 9v smbj12a 12v smbj20a 15v 100 f/35v 24v smbj30a note: 1. c1:ac input, is filtering electrolytic capacitor (which is required), when input voltage is below 100vac, and the value of c1 is 22 f/400v. dc input, is a filtering capacitor in emc filter, the value of c1 is 10 f/400v(when input voltage is above 370vdc, and the value of c1 is 10 f/450v), if emc performance is not required,c1 could not need. 2. c2 is ceramic capacitor, it is used to filter high frequency noise. output filtering capacitor c3 (which is required when ac input or dc input) 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 capacitor should be 80% or above. tvs is a recommended component to protect post-circuits (if converter fails). external input ntc model is recommended to use 5d-9. external input mov model is recommended to use s14k350. 3. for standard emc requirement, please refer to figure 1.if higher emc requirement ,please refer to figure 3, recommended parameters are shown in the table below. recommend parameter for higher emc standard circuit components recommend parameter mov2 s10k300 cy1, cy2 1nf/400vac cx 0.1 f/275vac lcm 3.5mh ldm 5mh fc-l01dv1 mornsun s 1kv/2kv surge protector fuse 1a/250v, slow blow, it must be connected to fuse ls03 dimensions, recommended footprint&packaging
the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice. ls03-05bxxs(-f) 2013.09.04-a/3 page 5 of 5 ls03-f dimensions, recommended footprint&packaging mornsun science & technology co.,ltd. address: no. 5, kehui st. 1, kehui development center, science ave., guangzhou science city, luogang district, guangzhou,p.r.china. tel: 86-20-38601850 fax:86-20-38601272 e-mail: info@mornsun.cn http://www.mornsun-power.com
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