the copyright and authority for the interpretation of the products are reserved by mornsun b_s-1w&b_d-1w b/2-2012 page 1 of 5 b_s-1w & b_d-1w series 1w, fixed input isolated & unregulated single output miniature sip/dip package rohs part number system b0505s-1w product series input voltage output voltage package style rated power features efficiency up to 80% miniature sip/dip package 1kvdc isolation operating temperature range: -40 c ~ +85 c low temperature rise no external component required pcb mounting industry standard pinout applications the b_s-1w & b_d-1w series are designed for application where isolated output is required from a distributed power system. these products apply to where: 1) input voltage variation 10%; 2) 1kvdc input and output isolation; 3) regulated and low ripple noise is not required. such as: digital circuits, low frequency analog circuits, and igbt power device driving circuits. selection guide input voltage(vdc) output current (ma) input current (ma)(typ.) model number nominal (range) output voltage (vdc) max. min. @max. load @no load reflected ripple current (ma,typ.) max. capacitive load( f) efficiency (%, typ.) @max. load approval b0303s/d-1w 3.3 303 30 417 72 b0305s/d-1w 3.3 (2.97-3.63) 5 200 20 392 50 15 74 b0503s/d-1w 3.3 303 30 271 72 b0505s/d-1w 5 200 20 270 70 ul ce b0507s/d-1w 7.2 138 14 252 72 b0509s/d-1w 9 111 12 252 78 ul ce b0512s/d-1w 12 83 9 248 79 ul ce b0515s/d-1w 15 67 7 247 80 ul ce b0524s-1w 5 (4.5-5.5) 24 42 4 240 31 20 77 b1203s/d-1w 3.3 303 30 110 72 b1205s/d-1w 5 200 20 116 71 ul ce b1209s/d-1w 9 111 12 105 76 ul ce b1212s/d-1w 12 83 9 104 78 ul ce b1215s/d-1w 12 (10.8-13.2) 15 67 7 101 16 23 80 ul ce b1505s/d-1w 5 200 20 92 71 b1515s-1w 15 (13.5-16.5) 15 67 6 85 14 18 78 b2403s/d-1w 3.3 303 30 57 71 b2405s/d-1w 5 200 20 57 73 ul ce b2409s/d-1w 9 111 12 52 78 ul ce b2412s/d-1w 12 83 9 50 79 ul ce b2415s/d-1w 15 67 7 50 80 ul ce b2424s-1w 24 (21.6-26.4) 24 42 4 50 8 61 220 80 note: the b_s-w2 & b_d-w2 series also are available in our company.
the copyright and authority for the interpretation of the products are reserved by mornsun b_s-1w&b_d-1w b/2-2012 page 2 of 5 input specifications item test conditions min. typ. max. unit 3.3vdc input -0.7 -- 5 5vdc input -0.7 -- 9 12vdc input -0.7 -- 18 15vdc input -0.7 -- 21 input surge voltage (1000 ms) 24vdc input -0.7 -- 30 vdc input filter capacitance filter output specifications item test conditions min. typ. max. unit output power 0.1 -- 1 w output voltage accuracy see tolerance envelope curve 3.3vdc output -- -- 1.5 line regulation for vin change of 1% others -- -- 1.2 3.3vdc output -- 15 20 5v/7.2vdc output -- 12.8 15 9vdc output -- 8.3 15 12vdc output -- 6.8 15 15vdc output -- 6.3 15 load regulation 10% to 100% load 24vdc output -- 5 15 % temperature drift 100% load -- -- 0.03 %/ c ripple & noise* 20mhz bandwidth -- 75 100 mvp-p short circuit protection** -- -- 1 s note: 1.* test ripple and noise by parallel cable method. see detailed operation instructions at testing of power converter section, application notes. 2.**supply voltage must be discontinued at the end of short circuit duration. common specifications item test conditions min. typ. max. unit isolation voltage tested for 1 minute and leakage current less than 1 ma 1000 -- -- vdc isolation resistance test at 500vdc 1000 -- -- m b2424s-1w -- 100 -- isolation capacitance input/output,100khz/1v others -- 30 -- pf switching frequency full load, nominal input -- 100 -- khz mtbf mil-hdbk-217f@25 3500 -- -- k hours case material plastic(ul94-v0) b_s-1w series -- 1.2 -- weight b_d-1w series -- 1.8 -- g environmental specifications item test conditions min. typ. max. unit storage humidity non condensing -- -- 95 % operating temperature power derating (above 85) -40 -- 85 storage temperature -55 -- 125 temp. rise at full load -- 25 -- lead temperature 1.5mm from case for 10 seconds -- -- 300 c cooling free air convection
the copyright and authority for the interpretation of the products are reserved by mornsun b_s-1w&b_d-1w b/2-2012 page 3 of 5 emc specifications emi ce cispr22/en55022 class a external circuit refer to figure1 ems esd iec/en61000-4-2 contact 8kv perf. criteria b emc recommended circuit emi recommended external circuit: vin gnd +vo 0v eut load c1 vin gnd (figure 1) b_s-1w series recommended external circuit parameters: vin 3.3v/5v/12v/15v/24v c1 1 f/50v note: product bare input of 3v 5v 12v already meet class a, increase the capacitor margin increase. b_d-1w series recommended external circuit parameters: vin 3.3v/5v c1 1 f/50v vin 12v/15v/24v c1 2.2 f/50v note: product bare input of 3.3v already meet class a, increase the capacitor margin increase. product typical curve tolerance envelope curve +10% +5% 50 100 +2.5% -2.5% -7.5% rated output voltage o u t p u t v o l t a g e ( % ) a c c u r a c y output current percent(%) t y p i c a l l o a d l i n e 70 (nominal input voltage) 120 100 80 60 40 20 0 -40 0 40 85 105120 o u t p u t p o w e r p e r c e n t ( % ) ambient temp.() temperature derating curve safe operating area efficiency vs input voltage curve (full load) 0 10 20 30 40 50 60 70 80 90 100 4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5 input voltage(v) efficiency(%) b0505s-1w b0505d-1w efficiency vs input voltage curve (full load) 0 10 20 30 40 50 60 70 80 90 100 22.1 22.6 23.1 23.5 24.0 24.5 25.0 25.4 25.9 26.4 input voltage(v) efficiency(%) b2405s-1w b2405d-1w 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-1w b0505d-1w efficiency vs output load curve (vin=vin-nominal) 0 10 20 30 40 50 60 70 80 90 100 102030405060708090100 total output current (%) efficiency(%) b2405s-1w b2405d-1w
the copyright and authority for the interpretation of the products are reserved by mornsun b_s-1w&b_d-1w b/2-2012 page 4 of 5 outline dimensions, recommended footprint & packaging 1 3 2 4 bs _ vin gnd +vo l=530mm[20.866inch] devices per tube: 43pcs(b_s) 40pcs(b_d) l=220mm[8.661inch] devices per tube: 17pcs(b_s) 16pcs(b_d) ? 1.00 [0.039] 1 6 . 9 0 [ 0 . 6 6 5 ] 9.60[0.378] 1 2 . 4 0 [ 0 . 4 8 8 ] 4.90[0.193] b_sseries b_dseries 7 5 1 4 1 2 3 4 b_sseries b_dseries 1 0 . 5 0 [ 0 . 4 1 3 ] 12.50[0.492] 1 6 . 5 0 [ 0 . 6 5 0 ] 3.50[0.138] b_dseries 0v 1 5 4 7 bd _ vin gnd +vo 0v b_s series pin footprint details note: unit:mm[inch] pin section tolerances: 0.10mm[ 0.004inch] general tolerances: 0.25mm[ 0.010inch] mechanical dimensions recommended footprint tube outline dimensions note: unit :mm[inch] general tolerances: 0.50mm[ 0.020inch] 0 . 5 0 [ 0 . 0 2 0 ] 1 0 . 0 0 [ 0 . 3 9 4 ] 4.10 [0.161] 7.62 [0.300] (front view) pin footprint details 5.08 [0.200] 8 . 2 0 [ 0 . 3 2 3 ] 7 . 7 0 [ 0 . 3 0 3 ] 4.10 [0.161] (front view) 1 7 5 4 0 . 3 0 [ 0 . 0 1 2 ] 12.70[0.500] 7.62[0.300] 1 0 . 0 0 [ 0 . 3 9 4 ] 7 . 6 2 [ 0 . 3 0 0 ] ? 1.00 [0.039] 0.50[0.020] (bottom view) 1 2 3 4 0 . 3 0 [ 0 . 0 1 2 ] 11.60[0.461] 0.50[0.020] 0.90[0.035] 6.00[0.236] (bottom view) shorttubeinnerpackagingdimensions: l*w*h=255*170*80mm; shorttubeouterpackaging dimensions (withsixinnerpackagingboxes): l*w*h=375*280*270mm; long tubeinnerpackagingdimensions: l*w*h=580*200*100mm; long tubeouterpackagingdimensions(withtwoinnerpackagingboxes) l*w*h=600*215*220mm; long tubeouterpackagingdimensions(with threeinnerpackagingboxes) l*w*h=600*215*325mm. notegrid 2.54*2.54mm : . 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 on output load to ensure this module can operate efficiently and reliably, during operation, 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 with proper resistance at the output end in parallel to increase the load, or use our company s products with a lower rated output power (b_s-w2 & b_d-w2 series). 2) overload protection under normal operating conditions, the output circuit of these products has no protection against overload. the simplest method is add a circuit breaker to the circuit. 3) recommended circuit if you want to further decrease the input/output ripple, an capacitor filtering network may be connected to the input and output ends of the dc/dc converter, see (figure 2). it should also be noted that the capacitance of filter 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 recommended capacitance of its filter capacitor sees (table 1).
the copyright and authority for the interpretation of the products are reserved by mornsun b_s-1w&b_d-1w b/2-2012 page 5 of 5 vin gnd +vo 0v dc cin dc cout (figure 2) external capacitor table (table 1) vin (vdc) cin ( f) vout (vdc) cout ( f) 3.3/5 4.7 3.3/5 10 12 2.2 7.2/9 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) output voltage regulation and over-voltage protection circuit the simplest device for output voltage regulation, over-voltage and over-current protection is a linear regulator and an capacitor filtering network with overheat protection that is connected to the input or output end in series (figure 3), the recommended capacitance of its filter capacitor sees (table 1), linear regulator based on the actual voltage and current to reasonable selection. vin gnd 0v +vo dc dc reg reg (figure 3) 5) cannot use in parallel and hot swap note: 1. operation under minimum load will not damage the converter; however, they may not meet all specification listed. 2. max. capacitive load tested at input voltage range and full load. 3. all date in the datasheet are measured according to nominal input voltage, rated output load, ta=25 , humidity<75%, unless otherwise specified. 4. in this datasheet, all the test methods of indications are based on our corporate standards. 5. the performance in the datasheet is just fit for the part number in the selection guide, and may be different from the customer-designed product, you can get more details from mornsun fae. 6. contact us for your specific requirement. 7. specifications subject to change 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:86-20-28203068 http://www.mornsun-power.com
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