the copyright and authority for the interpretation of the products are reserved by mornsun b_s-1wr2&b_d-1wr2 2013.06.18-a/2 page 1 of 5 b_s-1wr2 & b_d-1wr2 series 1w, fixed input, isolated & unregulated single output dc-dc converter patent protectied rohs part number system b0505s-1wr2 product series input voltage output voltage package rated power product features efficiency up to 82% miniature sip/dip package 1500vdc isolation operating temperature range: -40 c ~ +105 c no external component required pcb mounting industry standard pinout applications the b_s-1wr2 & b_d-1wr2 series are designed for application where isolated output is required from a distributed power system. these products apply to where: 1) input voltage rang : 10%vin; 2) 1.5kvdc input and output isolation; 3) regulated and low ripple noise is not required. such as: digital circuits, low frequency analog circuits, and relay drive circuit. selection guide input voltage(vdc) output current (ma) input current (ma)(typ.) model nominal (range) output voltage (vdc) max. min. @max. load @no load reflected ripple current (ma,typ.) max. capacitive load( f) efficiency (%, typ.) @max. load b0303s/d-1wr2 3.3 303 30 405 75 b0305s/d-1wr2 3.3 (2.97-3.63) 5 200 20 380 25 80 b0503s/d-1wr2 3.3 303 30 263 76 b0505s/d-1wr2 5 200 20 250 80 b0509s/d-1wr2 9 111 12 250 80 b0512s/d-1wr2 12 84 9 248 81 b0515s/d-1wr2 15 67 7 248 81 b0524s/d-1wr2 5 (4.5-5.5) 24 42 4 248 20 81 b1203s/d-1wr2 3.3 303 30 111 76 b1205s/d-1wr2 5 200 20 104 80 b1209s/d-1wr2 9 111 12 104 80 b1212s/d-1wr2 12 83 9 103 81 b1215s/d-1wr2 12 (10.8-13.2) 15 67 7 103 15 80 b1515s/d-1wr2 15 (13.5-16.5) 15 67 7 82 10 81 b2403s/d-1wr2 3.3 303 30 55 76 b2405s/d-1wr2 5 200 20 52 80 b2409s/d-1wr2 9 111 12 52 80 b2412s/d-1wr2 12 84 9 50 81 b2415s/d-1wr2 15 67 7 50 82 b2424s/d-1wr2 24 (21.6-26.4) 24 42 4 50 7 15 220 82 input specifications item test conditions min. typ. max. unit 3.3vdc input models -0.7 -- 5 5vdc input models -0.7 -- 9 12vdc input models -0.7 -- 18 15vdc input models -0.7 -- 21 input surge voltage (1sec. max.) 24vdc input models -0.7 -- 30 vdc input filter capacitor
the copyright and authority for the interpretation of the products are reserved by mornsun b_s-1wr2&b_d-1wr2 2013.06.18-a/2 page 2 of 5 output specifications item test conditions min. typ. max. unit output voltage accuracy see tolerance envelope curve 3.3v output -- -- 1.5 line voltage regulation for vin change of 1% others -- -- 1.2 3.3v output -- 18 -- 5v output -- 12 -- 9v output -- 8 -- 12v output -- 7 -- 15v output -- 6 -- load regulation 10% to 100% load 24v output -- 5 -- % temperature drift coefficient 100% load -- -- 0.03 %/ c output voltage 12v -- 30 -- ripple & noise* 20mhz bandwidth others -- 60 -- mvp-p short circuit protection continuous, automatic recovery note:* ripple and noise tested with parallel cable method. see detailed operation instructions at dc-dc application notes. common specifications item test conditions min. typ. max. unit isolation voltage input-output, tested for 1 minute and leakage current less than 1 ma 1500 -- -- vdc isolation resistance input-output, test at 500vdc 1000 -- -- m isolation capacitance input-output,100khz/0.1v -- 20 -- pf switching frequency full load, nominal input -- 100 300 khz mtbf mil-hdbk-217f@25 3500 -- -- k hours case material plastic(ul94-v0) b_s-1wr2 series -- 1.2 -- weight b_d-1wr2 series -- 1.8 -- g environmental specifications item test conditions min. typ. max. unit storage humidity non condensing -- -- 95 % operating temperature power derating (above 85 see figure 2) -40 -- 105 storage temperature -55 -- 125 temperature rise ta=25 c,100% load -- 25 -- lead temperature 1.5mm from case for 10 seconds -- -- 300 c cooling free air convection emc specifications ce cispr22/en55022 class b recommended circuit refer to figure1 emi re cispr22/en55022 class b recommended circuit refer to figure1 ems esd iec/en61000-4-2 contact 8kv perf. criteria b emc recommended circuit emi typical recommended circuit class b : vin gnd +vo 0v eut load ldm c0 vin gnd (figure 1) recommended typical circuit parameters: vin(v) 3.3/5/12/15/24 c0 4.7 f /50v emi ldm 6.8 h
the copyright and authority for the interpretation of the products are reserved by mornsun b_s-1wr2&b_d-1wr2 2013.06.18-a/2 page 3 of 5 emi test waveform (recommended circuit fingure 1) b0505s-1wr2 ce(class b, positive line) b0505s-1wr2 ce(class b , negative line) b0512d-1wr2 ce(class b, positive line) b0512d-1wr2 ce(class b , negative line) product typical curve tolerance envelope curve +10% +5% 50% 100% +2.5% -2.5% -7.5% 120 100 80 60 40 20 0 -40 0 40 85 105 rated output voltage o u t p u t v o l t a g e ( % ) a c c u r a c y o u t p u t p o w e r p e r c e n t ( % ) output current percent(%) ambient temp.() temperature derating curve safe operating area t y p i c a l l o a d l i n e 70% (nominal input voltage) (figure 2) efficiency vs input voltage curve (full load) 50 55 60 65 70 75 80 85 90 95 100 4.64.74.84.955.15.25.35.45.5 input voltage(v) efficiency(%) b0505s-1wr2 efficiency vs output load curve (vin=vin-nominal) 0 10 20 30 40 50 60 70 80 90 100 102030405060708090100 total output current (%) efficiency(%) b0505s-1wr2 efficiency vs input voltage curve (full load) 50 55 60 65 70 75 80 85 90 95 100 22 22.5 23 23.5 24 24.5 25 25.5 26 26.4 input voltage(v) efficiency(%) b2415s-1wr2 efficiency vs output load curve (vin=vin-nominal) 0 10 20 30 40 50 60 70 80 90 100 102030405060708090100 total output current (%) efficiency(%) b2415s-1wr2
the copyright and authority for the interpretation of the products are reserved by mornsun b_s-1wr2&b_d-1wr2 2013.06.18-a/2 page 4 of 5 dimensions, recommended footprint & packaging b_s-1wr2 b_d-1wr2
the copyright and authority for the interpretation of the products are reserved by mornsun b_s-1wr2&b_d-1wr2 2013.06.18-a/2 page 5 of 5 test configurations input reflected-ripple current test setup input reflected-ripple current is measured with an inductor lin and capacitor cin to simulate source impedance. dc cin lin dc load oscilloscope current probe lin(4.7 h) cin(220 f, esr < 1.0 at 100 khz) design considerations 1) requirement for output load to ensure this module can operate efficiently and reliably, the minimum output load could not be less than 10% of the full load. if the actual output power is very small, please connect a resistor to the output in parallel to increase the load. 2) overload protection under normal operating conditions, the output circuit of these products have not overload protection. the simplest method is to add a breaker circuit in the circuit. 3) recommended circuit if you want to further decrease the input/output ripple, a n capacitor filtering network may be connected to the input and output ends of the dc/dc converter, refer to figure 3. it should also be noted that the capacitance of the capacitor must be proper. if the capacitance is too large, a startup problem might arise.for ensuring every channel of output can provide a safe and reliable operation , the recommended capacitance of the capacitor refer to table 1. vin gnd +vo 0v dc cin dc cout (figure 3) external capacitor table (table 1) vin (vdc) cin ( f) vo (vdc) cout ( f) 3.3/5 4.7 3.3/5 10 12 2.2 9 4.7 15 1 12 2.2 24 1 15 1 -- -- 24 0.47 it s not recommended to connect any external capacitor in the application field with less than 0.5 watt output. 4) the input and the output of the product are recommended to be connected to ceramic capacitor or electrolytic capacitor. using tantalum capacitor may cause risk of failure 5) it is not recommended to increase the output power capability by connecting two or more converters in parallel. the product is not hot-swappable note: 1. operation under minimum load will not damage the converter; however, they may not meet all specifications. 2. max. capacitive load is tested at nominal input voltage and full load. 3. unless otherwise noted, all specifications are measured at ta=25 c, humidity<75%, nominal input voltage and rated output load. 4. in this datasheet, all test methods are based on our corporate standards. 5. all characteristics are for listed models, and non-standard models may perform differently.please contact our technical support for more detail. 6. please contact our technical support for any specific requirement. 7. specifications of this product are subject to changes without prior notice. 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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