wre-ys-1w&wrf-ys-1w wre-ys-1w&wrf-ys-1w wre-ys-1w&wrf-ys-1w wre-ys-1w&wrf-ys-1w wre-ys-1w&wrf-ys-1w wre-ys-1w&wrf-ys-1w wre-ys-1w&wrf-ys-1w wre-ys-1w&wrf-ys-1w series series http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 1 of 3 sproduct sproduct sproduct sproduct sproduct sproduct sproduct sproduct program program program program program program program program part number input output efficiency (%,typ) voltage(vdc) voltage (vdc) current(ma) nominal range max* max min wre0505ys-1w 5 4.5-9.0 11 5 100 10 72 wre0512ys-1w 5 4.5-9.0 11 12 42 4 76 wre0515ys-1w 5 4.5-9.0 11 15 33 3 75 wrf0505ys-1w 5 4.5-9.0 11 5 200 20 72 WRF0509YS-1W 5 4.5-9.0 11 9 111 11 74 wrf0512ys-1w 5 4.5-9.0 11 12 83 8 76 wrf0515ys-1w 5 4.5-9.0 11 15 67 7 75 wre1205ys-1w 12 9.0-18 22 5 100 10 76 wre1212ys-1w 12 9.0-18 22 12 42 4 80 wre1215ys-1w 12 9.0-18 22 15 33 3 80 wrf1205ys-1w 12 9.0-18 22 5 200 20 76 wrf1209ys-1w 12 9.0-18 22 9 111 11 78 wrf1212ys-1w 12 9.0-18 22 12 83 8 80 wrf1215ys-1w 12 9.0-18 22 15 67 7 80 wre2405ys-1w 24 18-36 40 5 100 10 78 wre2412ys-1w 24 18-36 40 12 42 4 81 wre2415ys-1w 24 18-36 40 15 33 3 81 wrf2405ys-1w 24 18-36 40 5 200 20 76 wrf2409ys-1w 24 18-36 40 9 111 11 78 wrf2412ys-1w 24 18-36 40 12 83 8 81 wrf2415ys-1w 24 18-36 40 15 67 7 81 wre4805ys-1w 48 36-72 80 5 100 10 76 wre4812ys-1w 48 36-72 80 12 42 4 80 wre4815ys-1w 48 36-72 80 15 33 3 80 wrf4805ys-1w 48 36-72 80 5 200 20 76 wrf4809ys-1w 48 36-72 80 9 111 11 78 wrf4812ys-1w 48 36-72 80 12 83 8 80 wrf4815ys-1w 48 36-72 80 15 67 7 80 *input voltage can ? exceed this value, or will cause the permanent damage. *input voltage can't exceed this value,or will cause the permanent damage. model model model model model model model model selection selection selection selection selection selection selection selection wr wr wr wr wr wr wr wr f f f f f f f f 24 24 24 24 24 24 24 24 05 05 05 05 05 05 05 05 y y y y y y y y s s s s s s s s - - - - - - - - 1 1 1 1 1 1 1 1 w w w w w w w w product series input voltage output voltage wide ( 2 :1) input range package style rated power 1w, 1w, 1w, 1w, wide wide wide wide input,isolated®ulated input,isolated®ulated input,isolated®ulated input,isolated®ulated dual/single dual/single dual/single dual/single output output output output dc-dc dc-dc dc-dc dc-dc converter converter converter converter features features features features features features features features efficiency up to 81% 2:1 wide input voltage range i/o isolation 3000vd c short circuit protection (automatic recovery) external on/off control internal smd construction operating temperature: -40 to +85 ul94-v0 package rohs compliance description description description description description description description description the wre-ys-1w&wrf-ys-1w series are specially designed for applications where a wide range input voltage 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 wide range (voltage range 2:1); 2) where isolation is necessary between input and output(isolation voltage 3000vdc); 3) where the regulation of the output voltage and the output ripple noise are demanded. common common common common common common common common specifications specifications specifications specifications specifications specifications specifications specifications item item item item test test test test conditions conditions conditions conditions min. min. min. min. typ. typ. typ. typ. max. max. max. max. units units units units storage humidity test conditions 95 % operating temperature -40 c storage temperature -55 temp. rise at full loa 15 lead temperature 1.5mm from case for 10 seconds 300 no-load power consumption 120 mw cooling free air convection short circuit protection continuous, automatic recovery case material plastic(ul94-v0) mtbf 1000 k hour weight 5 g microdc reserves the copyright
wre-ys-1w&wrf-ys-1w wre-ys-1w&wrf-ys-1w wre-ys-1w&wrf-ys-1w wre-ys-1w&wrf-ys-1w wre-ys-1w&wrf-ys-1w wre-ys-1w&wrf-ys-1w wre-ys-1w&wrf-ys-1w wre-ys-1w&wrf-ys-1w series series http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 2 of 3 isolation isolation isolation isolation isolation isolation isolation isolation specifications specifications specifications specifications specifications specifications specifications specifications item item item item test test test test conditions conditions conditions conditions min. min. min. min. typ. typ. typ. typ. max. max. max. max. units units units units isolation voltage tested for 1 minute and 1ma max 3000 vdc isolation resistance test at 500vdc 1000 m ? isolation capacitance 100khz,1v 35 pf *supply voltage must be discontinued at the end of short circuit duration. output output output output output output output output specifications specifications specifications specifications specifications specifications specifications specifications item item item item test test test test conditions conditions conditions conditions min. min. min. min. typ. typ. typ. typ. max. max. max. max. units units units units output power 0.1 1 w positive voltage accuracy refer to recommended circuit 1 3 % negative voltage accuracy refer to recommended circuit 3 5 load regulation 10% to 100% load(wrf_ys-1w) 0.5 0.75 10% to 100% load(wre_ys-1w)* 0.75 1.0 line regulation input voltage from low to high 0.2 0.5 temperature drift (vout) refer to recommended circuit 0.03 % / ripple & noise** 20mhz bandwidth 25 75 mvp-p switching frequency input voltage range 100% load 300 khz *dual output models unbalanced load (25/100%): 5%max. **test ripple and noise by " parallel cable " method. see detailed operation instructions at testing of power converter section, application notes. typical typical typical typical typical typical typical typical temperature temperature temperature temperature temperature temperature temperature temperature curve curve curve curve curve curve curve curve 1) 1) 1) 1) recommended recommended recommended recommended circuit circuit circuit circuit if you want to further decrease the input/output ripple, an "lc" filtering network may be connected to the input and output ends of the dc/dc converter, see (figure 1). however, the capacitance of the output 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 greatest capacitance of its filter capacitor sees (table 1). general: cin: 5v,12v 100 f ? 24v,48v 10 f ? cout: 47 f ? (typ.) lin: 4.7 h-120 h ? lout: 2.2 h-10 h ? cs: 10 h-22 f ? 2) 2) 2) 2) ctrl ctrl ctrl ctrl terminal terminal terminal terminal when open or high impedance,the converter work well; when this pin is "high" the converter shutdown; it should be note that the input current (ic) should between 5-10ma,exceeding the maximum 20ma will cause permanence damage to the converter. the value of r can be derived as follows : 3) 3) 3) 3) input input input input current current current current while using unstable power source, please ensure the output voltage and ripple voltage do not exceed indexes of the converter. the preceding power source must be able to provide for converter sufficient starting current ip (figure 2). general: ip 1.4iin-max 4) no no no no parallel parallel parallel parallel connection connection connection connection or or or or plug plug plug plug and and and and play play play play application application application application application application application application note note note note note note note note temperature temperature temperature temperature derating derating derating derating graph graph graph graph recommended recommended recommended recommended recommended recommended recommended recommended circuit circuit circuit circuit circuit circuit circuit circuit single output external capacitor table(table 1) single single single single single single single single vout vout vout vout vout vout vout vout cout cout cout cout cout cout cout cout dual dual dual dual dual dual dual dual vout vout vout vout vout vout vout vout cout cout cout cout cout cout cout cout (vdc) (vdc) (vdc) (vdc) ( ( ( ( f) f) f) f) (vdc) (vdc) (vdc) (vdc) ( ( ( ( f) f) f) f) 5 680 5 330 9 560 9 270 12 470 1 2 220 15 330 1 5 150 ic 0 . 1 ? ? = v v r
wre-ys-1w&wrf-ys-1w wre-ys-1w&wrf-ys-1w wre-ys-1w&wrf-ys-1w wre-ys-1w&wrf-ys-1w wre-ys-1w&wrf-ys-1w wre-ys-1w&wrf-ys-1w wre-ys-1w&wrf-ys-1w wre-ys-1w&wrf-ys-1w series series http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 3 of 3 outline outline outline outline outline outline outline outline dimensions dimensions dimensions dimensions dimensions dimensions dimensions dimensions footprint footprint footprint footprint footprint footprint footprint footprint details details details details details details details details note: 1. the load shouldn't be less than 10%, otherwise ripple will increase dramatically. 2. operation under 10% load will not damage the converter; however, they may not meet all specification listed. 3. all specifications measured at ta=25 c, humidity<75%, nominal input voltage and rated output load unless otherwise specified. 4. in this datasheet, all the test methods of indications are based on corporate standards. 5. only typical models listed, other models may be different, please contact our technical person for more details. mechanical mechanical mechanical mechanical mechanical mechanical mechanical mechanical dimensions dimensions dimensions dimensions dimensions dimensions dimensions dimensions recommended recommended recommended recommended recommended recommended recommended recommended footprint footprint footprint footprint footprint footprint footprint footprint mm(0.1inch) diameter:1.00mm(0.039inch) tube tube tube tube tube tube tube tube outline outline outline outline outline outline outline outline dimensions dimensions dimensions dimensions dimensions dimensions dimensions dimensions use use use use dual dual dual dual output output output output simultaneously, simultaneously, simultaneously, simultaneously, forbid forbid forbid forbid opening opening opening opening output output output output pin pin pin pin (0v) (0v) (0v) (0v) to to to to use use use use as as as as single single single single output. output. output. output. microdc professional power module,inc. tel:0086-20-86000646 e-mail:tech@microdc.cn website:http://www.microdc.cn rohs rohs rohs rohs compliant compliant compliant compliant information information information information this series is compatible with rohs soldering systems with a peak wave solder temperature of 300 c for 10 seconds. the pin termination finish on the sip package type is tin plate, hot dipped over matte tin with nickel preplate. the dip types are matte tin over nickel preplate. both types in this series are backward compatible with sn/pb soldering systems. reach reach reach reach compliant compliant compliant compliant information information information information this series has proven that this product does not contain harmful chemicals, it also has harmful chemical substances through the registration, inspection and approval. footprint details pin single dual 1 gnd gnd 2 vin vin 3 ctrl ctrl 5 nc nc 6 +vo +vo 7 0v 0v 8 cs -vo nc:no connection
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