ac/dc converter l d20-26bxx series 201 8 . 07.24-a/1 page 1 of 6 m ornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation 20w, ac/dc converter rohs features ? ultra wide input voltage range: 90 - 528vac/100 - 745vdc ? regulated output, low ripple & noise ? operating temperature range: -40 to +70 ? output short circuit, over-current, over C voltage protection ? isolation voltage: 4kvac ? eft /surge: 4kv p erf. criteria b ? en62368 approval ld20-26bxx series ---- a compact size power converter offered by mornsun. it features ultra wide input voltage, taking both dc and ac input voltage, low power consumption, high efficiency, high reliability, safer isolation. meets en62368 standards . the isolation voltage is 4000vac between input and output. the product meets iec/en61000 -4 , cispr 32 /en550 32 standard . used in such as electrical, instrumentation industries , suitable for demanding high isolation voltage and strict electromagnetic compatibility of various terminal applications. selection guide certification part no. * output power n ominal output voltage and current (v o /i o ) efficiency (230vac, %/typ.) max. capacitive load ( f) ce LD20-26B03 11.88w 3.3v/3600ma 74 10000 ld20-26b05 18w 5v/3600ma 78 10000 ld20-26b09 20w 9v/2230ma 79 7000 ld20-26b12 12v/1660ma 82 5000 ld20-26b15 15v/1330ma 83 3000 ld20-26b24 24v/833ma 83 1000 note:*part no. with suffix of a2 means chassis mounting and suffix of a4 means din-rail mounting (e.g. LD20-26B03a2 means chassis mounting; LD20-26B03a4 means din-rail mounting) input specifications item operating conditions min. typ. max. unit input voltage range ac input 90 -- 528 vac dc input 100 -- 745 vdc input frequency 47 -- 63 hz input current 115vac -- -- 0. 8 a 2 3 0vac -- -- 0. 4 inrush current 115vac -- 35 -- 230vac -- 60 -- leakage current 0.25ma rms typ. 230vac/50hz recommended external input fuse 3 . 15 a /500vac , slow fusing, necessary hot plug unavailable output specifications item operating conditions min. typ. max. unit output voltage accuracy LD20-26B03 -- 3 -- % others -- 2 -- line regulation full load -- 0 .5 -- load regulation 0% - 100% load -- 1 . 0 -- ripple & noise* 20mhz bandwidth (peak-peak value) -- -- 1 50 mv temperature coefficient -- 0. 02 -- %/ stand-by power consumption -- -- 0. 75 w short circuit protection hiccup, continuous, self-recovery over-current protection 1 3 0 - 4 00%io self-recovery
ac/dc converter l d20-26bxx series 201 8 . 07.24-a/1 page 2 of 6 m ornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation o ver - voltage protection 3.3/5v output 7.5 v ( output voltage clamp ) 9v output 15 v ( output voltage clamp ) 12/15v output 20 v ( output voltage clamp ) 24v output 30 v ( output voltage clamp ) min. load 0 -- -- % hold-up time 230vac input -- 35 -- ms 400 vac input -- 100 -- note: *parallel line test method is adopted to test the ripple and noise, connect the output capacitor to the external circuit fig. 1 , please see ac-dc converter application notes for specific operation methods. general specifications item operating conditions min. typ. max. unit isolation voltage input-output test time: 1min 4 000 -- -- vac operating temperature work in the power drop curve range -40 -- +70 storage temperature -40 -- + 8 5 storage humidity -- -- 9 5 %rh welding temperature wave-soldering 260 5 ; time: 5 - 10s manual-welding 360 10 ; time: 3 - 5s switching frequency -- 65 -- khz power derating +55 to +70 3 .0 -- -- %/ -40 to - 1 0 1 .0 -- -- 90vac - 110vac 2.0 -- -- %/ vac 480avc - 528vac 0.417 -- -- safety standard en6 2368 safety certification en6 2368 safety class class i i mtbf mil-hdbk-217f@25 300,000 h physical specifications casing material black flame-retardant and heat-resistant plastic (ul94 v-0) dimension horizontal package 70 . 0 0* 48 . 0 0* 30 . 00 mm a2 chassis mounting 96.10*54.00*38.50 mm a4 din-rail mounting 96.10*54.00*43.10 mm weight horizontal package 160g (typ.) a2 chassis mounting 210 g (typ.) a4 din-rail mounting 250 g (typ.) cooling method free air convection emc specifications emi ce cispr 3 2/en550 3 2 class b re cispr 3 2/en550 3 2 class b ems esd iec/en 61000-4-2 contact 6kv/air 8kv perf. criteria b rs iec/en 61000-4-3 10v/m perf. criteria a eft iec/en 61000-4-4 2kv perf. criteria b iec/en 61000-4-4 4kv (see fig. 2 or fig. 3 for recommended circuit) perf. criteria b surge iec/en 61000-4-5 line to line 2 kv perf. criteria b iec/en 61000-4-5 line to line 4 kv (see fig. 2 or fig. 3 for recommended circuit) perf. criteria b cs iec/en61000-4-6 10 vr.m.s perf. criteria a voltage dips, short interruptions and voltage variations immunity iec/en61000-4-11 0%,70% perf. criteria b
ac/dc converter l d20-26bxx series 201 8 . 07.24-a/1 page 3 of 6 m ornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation product characteristic curve note input voltage should be derated based on temperature derating when it is 90 - 1 1 0vac/ 4 80 - 528 v a c /100 - 155 vdc/675 - 745vdc ; this product is suitable for use in natural air cooling environments, if in a closed environment, please contact our company s fae. design reference 1. typical application circuit ac(l) +vo -vo ac(l) ac(n) ac(n) c1 c2 tvs1 rl fuse ac -dc m ov fig. 1 ? fuse mov c2 (uf) tvs1 LD20-26B03 3.15a /500vac, slow fusing, necessary s 20 k 625 330 smbj7.0a ld20-26b05 330 smbj7.0a ld20-26b09 220 smbj12a ld20-26b12 220 smbj20a ld20-26b15 220 smbj 2 0a ld20-26b24 220 smbj30a note: output filtering capacitor c2 is electrolytic capacitor, it is recommended to use high frequency and low impedance electrolytic capacitor. for capacitance and current of capacitor please refer to manufacture s datasheet. capacitor voltage reduced to at least 80%. c1 is ceramic capacitor, which is used to filter high-frequency noise , r ecommended 1 f. tvs is a recommended component to protect post-circuits if converter fails . 2. emc solution-recommended circuit fig. 2 recommended circuit for applications which require 4kv differential-mode i nrush standard ( full-wave rectification )
ac/dc converter l d20-26bxx series 201 8 . 07.24-a/1 page 4 of 6 m ornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation fig. 3 recommended circuit for applications which require 4kv differential-mode inrush standard (half-wave rectification) recommend parameter for higher emc standard circuit element model recommended value mov 1 , mov 2 , mov 3 s20k 510 d 2a/1000v r1 , r2 , r3 10 /5w fuse 1, fuse 2, fuse 3 3.15a /500vac, slow fusing, necessary 3. for more information please find the application note on www.mornsun-power.com dimensions and recommended layout
ac/dc converter l d20-26bxx series 201 8 . 07.24-a/1 page 5 of 6 m ornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation a2 dimensions a4 dimensions
ac/dc converter l d20-26bxx series 201 8 . 07.24-a/1 page 6 of 6 m ornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation notes: 1. packing information please refer to product packing information which can be downloaded from www.mornsun-power.com . packing bag number: 58220017 ( horizontal package ), 58220019 (a2/a4 package ); 2. if the product is not operated within the required load range, the product performance cannot be guaranteed to comply with all parameters in the datasheet; 3. unless otherwise specified, parameters in this datasheet were measured under the conditions of ta=25 , humidity<75% with nominal input voltage and rated output load; 4. all index testing methods in this datasheet are based on our company s corporate standards; 5. we can provide product customization service, please contact our technicians directly for specific information; 6. products are related to laws and regulations: see "features" and "emc". 7. our products shall be classified according to iso14001 and related environmental laws and regulations, and shall be handled by qualified units. mornsun guangzhou 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: sales @mornsun.cn www.mornsun-power.com
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