dc/dc converter urf1d _ hb-150w series 201 5 . 06.1 9 -a/0 page 1 of 7 m ornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation 1 5 0w, wide input voltage, isolated & regulated single output dc-dc converter features ? wide input voltage range : 50 -160v ? efficiency up to 9 1 % ? no-load power consumption as low as 3ma ? isolation voltage 3000vdc ? operating temperature range:-40 ~+100 ? input under-voltage protection , output over-voltage , over- current, short circuit , over-temperature protection ? international standard : 1/2 brick ? mee ts requirements of railway standard en50155 patent protection rohs urf1d _ hb-150w (h) series is a high performance product designed for the field of railway applications. output power up to 15 0w, no min load requirement, wide input voltage 50 -160vdc, which allows the base plate o perating temperature up to 100 . further product feathers include input under-voltage protection, output over-voltage protection, short circuit protection, over current protection, over temperature protection , remote control and compensated , output voltage regulation functions. meets the en50155 railway standard . widely used in the railway system and associated equipment . selection guide part no. input voltage (vdc) input voltage (vdc) efficiency (%, min./ typ) @ full load max. capacitive load( f) nominal (range) max. * output voltage(vdc) output current (ma)(max./min.) URF1D24HB-150W 110 ( 66 -160) 170 24 6250/0 89/91 4400 ( 50 - 66 ) 5000/0 URF1D24HB-150W h ( 66 -160) 24 6250/0 89/91 4400 ( 50 - 66 ) 5000/0 note: * exceeding the maximum input voltage may cause permanent damage . input specifications item operating conditions min. typ. max. unit input current (full load / no-load) nominal input -- 1495/3 1532/10 ma reflected ripple current nominal input -- 80 -- input impulse voltage (1sec. max.) -0.7 -- 180 vdc starting voltage -- 47 50 under-voltage shutdown voltage 35 43 50 start-up time -- 25 -- ms input filter pi filter ctrl* module switch on ctrl psuspended or connected to ttl high level (3.5-12vdc) module switch off ctrl connected to -vin or low level (0-1.2vdc) input current when switched off -- 2 5 ma hot p lug unavailable note: * the voltage of ctrl pin is relative to input pin -vin . output specifications item operating conditions min. typ. max. unit output voltage accuracy nominal input, 1 0%-100% load -- -- 3 % line regulation full load, the input voltage is from low to high -- -- 0.3 load regulation nominal input, 1 0%-100% load -- -- 0.5 transient recovery time 25% load step change -- 300 500 s transient response deviation -- 3 5 %vo temperature coefficient full load -- -- 0.03 %/
dc/dc converter urf1d _ hb-150w series 201 5 . 06.1 9 -a/0 page 2 of 7 m ornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation ripple & noise * 20mhz bandwidth (with 10%-100% load) -- 60 120 mvp-p trim 95 -- 1 10 %vo output voltage remote compensation(sense) -- -- 10 5 over-voltage protection input voltage range 110 -- 140 %vo over- current protection 110 130 1 80 % io short circuit protection nominal input continuous note: * the measur ing method of r ipple and noise, please refer to fig. 2. general specifications item operating conditions min. typ. max. unit isolation v oltage input-output input-output, with the test time of 1 minute and the leak current less than 1ma 3000 -- -- vdc input- aluminum case 1500 -- -- output- aluminum case 1 0 00 -- -- isolation r esistance input-output, insulation voltage 500vdc 1000 -- -- m isolation capacitance input-output, 100khz/0.1v -- 25 00 -- pf operating temperature s ee t emperature derating curve fig. 1 -40 -- 100 base- plate temperature within the operating temperature curve -40 -- 100 storage temperature -55 -- 125 over-temperature protection base- plate temperature 100 -- 1 20 pin welding resistance temperature welding spot is 1.5mm away from the casing, 10 seconds -- -- 300 storage humidity non-condensing 5 -- 95 %rh thermal resistance urf1d 24 hb-150w natural convection 7.8 -- -- /w 200lfm convection 4.44 -- -- 400lfm convection 3.39 -- -- 10 00lfm convection 2.52 -- -- urf1d 24 hb-150w h natural convection 3.7 -- -- 200lfm convection 2.2 -- -- 400lfm convection 1.76 -- -- 10 00lfm convection 1.28 -- -- switching frequency p w m mode -- 16 0 -- khz mtbf mil-hdbk-217f@ (case tb=70 , gb) 500 -- -- k hours cooling test en60068-2-1 dry heat en60068-2-2 damp heat en60068-2-30 shock and vibration test iec/en61373 physical specifications casing material black flame-retardant and heat-resistant plastic (ul94-v0) weight urf1d 24 hb-150w 70 g (typ.) urf1d 24 hb-150w h 120 g (typ.) cooling method natural convection or forced convection emc specifications emi c e cispr22/en55022 class b (see fig. 4 ) ems e sd iec/en61000-4-2 contact 6kv, air 8kv perf.criteria b gb/t17626.2 r s iec/en61000-4-3 10v/m perf.criteria a gb/t17626.3
dc/dc converter urf1d _ hb-150w series 201 5 . 06.1 9 -a/0 page 3 of 7 m ornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation ems cs iec/en61000-4-6 10vr.m.s perf. criteria a gb/t17626.6 eft iec/en61000-4-4 2kv(5khz / 100khz) ( see fig. 4 for recommended circuit) perf.criteria b gb/t17626.4 surge iec/en61000-4-5 2kv(1.2 s/50 s 2 ) ( see fig. 4 for recommended circuit) perf.criteria b gb/t17626.5 immunities of short interruption en50155 100% 0% , 10ms perf. criteria b efficiency curve s temperature derating curve fig. 1 sense of application and precautions 1. when remote sense is not used 0v +vo sens e + trim sens e - + c the le ad as s ho rt as po ss ible load short at pin root notes 1. when remote sense is not used, make sure + vo and sense + are shorted, and that 0v and sense- are shorted as well; 2. keep the patterns between + vo and sense + and 0v and sense- as short as possible. avoid a looping pattern. if noise enters the loop, the operation of the power module will become unstable.
dc/dc converter urf1d _ hb-150w series 201 5 . 06.1 9 -a/0 page 4 of 7 m ornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation 2. when remote sense is used 0v +vo sens e + trim sens e - a s far as po s sibl e u sin g t he twis te d pair load + c notes: 1. using remote sense with long wires may cause output voltage to become unstable. consult us if long sensing wiring is necessary. 2. sense patterns or wires should be as short as possible. if wires are used, use either twisted-pair or shielded wires. 3. please use wide pcb trace or a thick wires between the power supply module and the load, the line voltage drop should be kept less than 0.3v. make sure the power supply module's output voltage remains within the specified range. 4. the impedance of wires may cause the output the voltage oscillation or have a greater ripple, please do adequate assessments before using. design reference 1. ripple & noise fig. 2 note: capacitive value c1:1 f /50v; c2:10 f /35v. 2. test recommended circuit all the series g eneral s pecifications have been tested according to the following recommended test circuit before leaving the factory (see fig. 3 ). 0v +vo c2 c1 sense + trim sense - -vin ctrl +vin c0 1 00 uf 1 uf 1 0u f case dc input cop per sheet load fig. 3 3. typical application if it is required to further reduce input and output ripple, properly increase the input & output of additional capacitors cin and cout or select capacitors of low equivalent impedance provided that the capacitance is no larger than the max. capacitive load of the product. dc dc +vin -vin +vo 0v cin cout capacitive parameter output voltage cout( f) cin( f) 24v 220 100
dc/dc converter urf1d _ hb-150w series 201 5 . 06.1 9 -a/0 page 5 of 7 m ornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation 4. emc solution-module recommended circuit +vin -vin +vo 0v dc/dc load lcm1 +vin -vin c3 c4 c5 ldm 1 c0 c2 + + c 1 y cy2 c6 c7 m ov1 fu se c1 + + + + c8 fig. 4 element model recommended value fuse choose according to actual input current mov 1 s20k130 ( varistor ) c 0 22 0uf/400v ( electrolytic capacitor ) c1/ c 2 100uf/400v ( electrolytic capacitor ) c 3 / c 4 / c 5 / c 6 / c 7 2.2uf/250v c8 220 uf/50v ( electrolytic capacitor ) cy1 2200pf/400vac ( y safety capacitor ) cy2 33 00pf/ 2 00vac ( y safety capacitor ) ldm1 10uh (shielded inductor) lcm1 1.0 mh , recommended to use mornsun s fl2d-30- 10 2 emc solution-recommended circuit pcb layout 5. thermal design the maximum operating temperature of base- plate tb is 100 , as long as the user's thermal system keeps tb <100 , the converter can deliver its full rated power. a power derating curve can be calculated for any heatsink that is attached to the base-plate of the converter. it is only necessary to determine the thermal resistance, rth(b-a), of the chosen heatsink between the base-plate and the ambient air for a given airflow rate. this information is usually available from the heatsink vendor. the following formula can the be used to determine the maximum power the converter can dissipate for a given thermal condition if its base-plate is to be no higher than 100 o c. a - b a max th 100 r t p diss ? ? (t a is ambient temperature) the maximum load operating power of power supply module at a certain ambient temperature can be calculated by the power dissipation, formula is as follows: ) 1 1 ( max max ? ? ? diss p po ( ? is converter efficiency) therefore, customers can according to the actual application to choose the right heatsink.
dc/dc converter urf1d _ hb-150w series 201 5 . 06.1 9 -a/0 page 6 of 7 m ornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation 6. application of trim and calculation of trim resistance 0v r 2 r 1 r 3 v ref r t trim +vot 0v r 2 r 1 r 3 v ref r t trim +vot trim up trim down applied circuits of trim ( part in broken line is the interior of models ) calculation formula of trim resistance: up: a= vref vo-vref r 1 r = t ar 2 r -a 2 -r 3 down: a= vref vo-vref r 2 r = t ar 1 r -a 1 -r 3 note value for r1, r2, r3, and v ref refer to the above table 1. r t : resistance of trim. a: user-defined parameter, no actual meanings. vo : the trim up/down voltage. table 1 vo parameter 24(vdc) r1(k ) 24.87 r2(k ) 2.87 r3(k ) 20 vref(v) 2.5 7. it is not allowed to connect modules output in parallel to enlarge the power 8. for more information about mornsun e mc filter products, please visit www.mornsun-power.com to download the selection guide of emc filter dimensions and recommended layout (without heatsink)
dc/dc converter urf1d _ hb-150w series 201 5 . 06.1 9 -a/0 page 7 of 7 m ornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation d imensions (with heatsink) note 1. packing information please refer to product packing information which can be downloaded from www.mornsun-power.com . packing bag number : 58 200069 (with out heatsink) 58200061(with heatsink) ; 2. the max capacitive load should be tested within the input voltage range and under full load conditions; 3. recommends that customers plus silicone film or thermal grease between the module and the heatsink, in order to ensure good heat dissipation ; 4. unless otherwise specified, parameters in this datasheet were measured under the conditions of ta=25 , humidity<75% with nominal input voltage and rated output loa d ; 5. when used in lower than 10 % load , the ripple & noise index of the product is 3% vo ; 6. all index testing methods in this datasheet are based on our company s corporate standards; 7. the performance parameters of the product models listed in this manual are as above, but some parameters of non-standard model products may exceed the requirements mentioned above. p lease contact our technicians directly for specific information; 8. we can provide product customization service; 9. specifications are subject to change without prior notice. 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: 86-20-38601850-8801 fax: 86-20-38601272 e-mail: info@mornsun.cn
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