the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice. ay_d-1w & by_d-1w a/1-2012 page 1 of 3 ay_d-1w & by_d-1w series 1w,fixed input, isolated & unregulated dual / single output dc-dc converter rohs product program input output part number voltage (vdc) range (vdc) voltage (vdc) current (ma) efficiency (%)(typ) ay1212d-1w 12 10.8-13.2 12 41.6 78 BY1212D-1W 12 10.8-13.2 12 83 78 input specifications item test conditions min typ max units input current (no-load/full-load) 15/106 ma surge voltage (1s max) 21 v output specifications item test conditions min typ max units output power 1 w line regulation for vin change of 1% 1.2 load regulation 10% to 100% load 15 % output voltage accuracy see tolerance envelope graph temperature drift 100% full load 0.03 %/ c ripple and noise* 20mhz bandwidth 100 mvp-p switching frequency full load, nominal input 100 khz ay1212d-1w 100/-100 maximum capacitive load BY1212D-1W 100 f *test ripple and noise by parallel cable method. see detailed operation instructions at testing of power converter section, application notes. common specifications item test conditions min typ max units storage humidity 95 % operating temperature -40 85 storage temperature -55 125 temp. rise at full load 20 30 lead temperature 1.5mm from case for 10 seconds 300 c short circuit protection continuous cooling free air convection case material plastic(ul94-v0) mtbf 1000 k hours weight 23 g isolation voltage tested for 1 minute and 1ma max 12000 vdc isolation resistance test at 500vdc 1000 m isolation capacitance 5 pf features 12kvdc isolation dip package temperature range: -40 c ~ +85 c no heat sink required no external component required low isolation capacitance internal smd construction industry standard pinout rohs compliance applications the ay_d-1w & by_d-1w series are specially designed for applications where a group of polar power supplies are isolated from the input power supply in a distributed power supply system on a circuit board. these products apply to: 1) where the voltage of the input power supply is fixed (voltage variation 10%); 2) where isolation is necessary between input and output (isolation voltage 12000vdc); 3) where the regulation of the output voltage and the output ripple noise are not demanding. such as: purely digital circuits, ordinary low frequency analog circuits, and igbt power device driving circuits. model selection ay1212d-1w ratedpower packagestyle output voltage inputvoltage productseries 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 http://www.mornsun-power.com
the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice. ay_d-1w & by_d-1w a/1-2012 page 2 of 3 emc specifications ce cispr22/en55022 class b external circuit refer to figure1 2 emi re cispr22/en55022 class b external circuit refer to figure1 2 esd iec/en 61000-4-2 air 8kv / contact 6kv perf. criteria b rs iec/en61000-4-3 10v/m perf. criteria a eft iec/en 61000-4-4 2kv external circuit refer to figure1 2 perf. criteria b surge iec/en 61000-4-5 1kv external circuit refer to figure1 2 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 ems voltage dips short and interruptions immunity iec/en61000-4-29 0%-40% perf. criteria b emc recommended circuit (figure 1) (figure 2) emc recommended external circuit parameters tvs:smcj18a,1500w (epcos) c0:220 f/25v(rubycon) ldm:6.8 h cd43 typical characteristics output current(%) operating temp.() o u t p u t p o w e r ( % ) o u t p u t v o l t a g e tolerance envelope graph temperature derating graph t y p i c a l l o a d l i n e safe operating area nominal voltage typical efficiency curve efficiency vs load 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 0.10.20.30.40.50.60.70.80.9 1 load efficiency BY1212D-1W ay1212d-1w vout vs load -15 -10 -5 0 5 10 15 0.1 0.20.30.40.50.60.70.80.9 1 load vout BY1212D-1W ay1212d-1w +vout ay1212d-1w -vout
the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice. ay_d-1w & by_d-1w a/1-2012 page 3 of 3 outline dimensions recommended footprint & footprint details 2 6 . 5 0 [ 1 . 0 4 3 ] 26.50 [1.043] ? 1.30 [0.051] 8.00 [0.315] 1 7 . 5 0 [ 0 . 6 8 9 ] note: unitmm[inch] pindiameter tolerances 0.05mm[ 0.002inch] generaltolerance 0.50mm[ 0.020inch] : : : mechanicald dimensions recommended footprint tubedutline dimensions footprint details nc:no connection pin single 1 13,14 26 gnd vin dual 11 16 gnd vin +vo -vo 0v nc +vo 0v 26 1614 13 1 11 short tube inner package dimensions:255*170*80mm short tube outer package dimensions: 375*280*270mm long tube inner package dimensions:580*200*100mm long tube outer package dimensions(with two inner package boxes): 600*215*220mm long tube outer package dimensions(with three inner package boxes): 600*215*325mm (with six inner package boxes) note unitmm inch general tolerances:mm 0.020inch] l=530mm[20.866inch] tube quantity:13pcs lmmtubequantity:pcs : : [] 0.50[ =220[8.661inch]5 (bottom view 26 1 11 16 13 14 37.00 [1.457] 2 3 . 0 0 [ 0 . 9 0 6 ] 1 7 . 7 8 [ 0 . 7 0 0 ] 30.48 [1.200] 5.08 [0.200] (front view) 1 5 . 0 0 [ 0 . 5 9 1 ] 4 . 1 0 [ 0 . 1 6 1 ] ? 0 .80 [0.031] notegrid 2.54*2.54mm : . note: 1. operation under minimum load will not damage the converter; however, they may not meet all specification listed, and that will reduce the life of product. 2. all specifications measured at ta=25 c, humidity<75%, nominal input voltage and rated output load unless otherwise specified. 3. in this datasheet, all the test methods of indications are based on corporate standards. 4. only typical models listed, other models may be different, please contact our technical person for more details.
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