wall industries, inc. rev a dcmju10 series 10 watt dc/dc power converters 11/27/2013 wall industries, inc. ? 37 industrial drive, exeter , nh 03833 ? tel: 6037782300 ? toll free: 88859 79255 ? fax 6037789797 website: www.wallindustries.com ? email: sales@wal lindustries.com page 1 of 6 features rohs compliant up to 10 watts output power single & dual outputs remote on/off control 1500vdc i/o isolation high efficiency up to 87% 1.0 x 1.0 x 0.4 package size 4:1 ultra wide input voltage ranges shielded metal case with isolated baseplate 40c to +80c operating temperature range over load & short circuit protection ul/iec/en 609501 safety approvals (pending) input filter complies to en55022, class a & fcc, le vel a heatsink (optional) description size: weight: 1.0 x 1.0 x 0.4 inches 0.53oz (15g) 25.4 x 25.4 x 10.16 mm applications: battery operated equipment instrumentation distributed power architectures communication & industrial electronics the dcmju10 series of dc/dc power converters offer s 10 watts of output power in a 1.0 x 1.0 x 0.4 shielded metal package with an industry standard pi nout. this series consists of single and dual output models with a 4:1 ultra wide input voltage r ange and tight output voltage regulation. state oftheart circuit topology provides a very high ef ficiency up to 87% and an operating temperature range of 40c to +80c. further features include r emote on/off control, 1500vdc i/o isolation, and over load and short circuit protection. these conve rters are rohs compliant and are ideal for use in battery operated equipment, instrumentation, distri buted power architectures in communication and industrial electronics and many other space cri tical applications. model selection table single output models output current input current model number input voltage output voltage min (1) max no load max load output power efficiency maximum capacitive load dcmju24s3310 3.3 vdc 330ma 2200ma 352ma 7.26w 86% 560f dcmju24s0510 5 vdc 300ma 2000ma 496ma 10w 84% 560f dcmju24s5110 5.1 vdc 300ma 2000ma 506ma 10.2w 84% 560f dcmju24s1210 12 vdc 125ma 830ma 483ma 10w 86% 150f dcmju24s1510 15 vdc 100ma 660ma 474ma 10w 87% 150 f dcmju24s2410 24 vdc (9 36 vdc) 24 vdc 62ma 410ma 30ma 477ma 9.84w 86% 68f dcmju48s3310 3.3 vdc 330ma 2200ma 180ma 7.26w 85% 560f dcmju48s0510 5 vdc 300ma 2000ma 248ma 10w 84% 560f dcmju48s5110 5.1 vdc 300ma 2000ma 253ma 10.2w 84% 560f dcmju48s1210 12 vdc 125ma 830ma 241ma 10w 86% 150f dcmju48s1510 15 vdc 100ma 660ma 237ma 10w 87% 150 f dcmju48s2410 48 vdc (18 75 vdc) 24 vdc 62ma 410ma 20ma 238ma 9.84w 86% 68f dual output models output current input current model number input voltage output voltage min (1) max no load max load output power efficiency maximum capacitive load dcmju24d0510 5 vdc 150ma 1000ma 496ma 10w 84% 220f dcmju24d1210 12 vdc 62ma 410ma 477ma 9.84w 86% 100f dcmju24d1510 24 vdc (9 36 vdc) 15 vdc 50ma 330ma 30ma 474ma 10w 87% 100f dcmju48d0510 5 vdc 150ma 1000ma 248ma 10w 84% 220f dcmju48d1210 12 vdc 62ma 410ma 238ma 9.84w 86% 100f dcmju48d1510 48 vdc (18 75 vdc) 15 vdc 50ma 330ma 20ma 237ma 10w 87% 100f notes 1. the dcmju10 series requires a minimum output loa ding to maintain specified regulations. operation u nder noload conditions will not damage these devices; however they may not meet all liste d specifications. 2. transient recovery time is measured to within 1% error band for a step change in output load from 7 5% to 100%. 3. all dc/dc converters should be externally fused at the front end for protection. 4. to order the converter with a heatsink, please a dd the suffix hs to the model number. (ex: dcmju2 4s1210hs) 5. other input and output voltages may be available ; please call factory for ordering details.
wall industries, inc. rev a dcmju10 series 10 watt dc/dc power converters 11/27/2013 wall industries, inc. ? 37 industrial drive, exeter , nh 03833 ? tel: 6037782300 ? toll free: 88859 79255 ? fax 6037789797 website: www.wallindustries.com ? email: sales@wal lindustries.com page 2 of 6 specifications: dcmju10 series all specifications are based on 25c, nominal input voltage, and maximum output current unless otherwis e noted. we reserve the right to change specifications based on technological advances. specification test conditions min typ max unit input specifications 24vdc nominal input models 9 24 36 input voltage range 48vdc nominal input models 18 48 75 vdc 24vdc nominal input models 0.7 50 input surge voltage (100ms max.) 48vdc nominal input models 0.7 100 vdc 24vdc nominal input models 9 startup voltage 48vdc nominal input models 18 vdc 24vdc nominal input models 8.5 under voltage shutdown 48vdc nominal input models 17 vdc input current see table reverse polarity input current 1.5 a short circuit input power 3000 mw internal power dissipation 5000 mw 24vdc nominal input models 2000ma slowblow type input fuse (note 3) 48vdc nominal input models 1000ma slowblow type output specifications output voltage see table output voltage accuracy 1.0 2.0 % output voltage balance (dual outputs) balanced load s 1.0 2.0 % line regulation low line to high line at full load 0.3 1.0 % load regulation 15% load to 100% load 0.5 1.2 % minimum load see table output power see table output current see table 60 100 ripple & noise (20mhz bw) (page 5) over line, load, and temperature 150 mvpp transient recovery time (note 2) 25% load step change 300 600 s transient response deviation 25% load step change 3 6 % temperature coefficient 0.01 0.02 %/c protection over load protection foldback 110 150 % short circuit protection continuous remote on/off (page 4) converter on 2.5v~50v or open circuit positive logic converter off 0v~1.0v or short circuit (pin 2 and pin 6) on vctrl = 5v 500 control input current off vctrl = 0v 500 a control common referenced to negative input standby input current nominal vin 10 ma general efficiency see table switching frequency 450 khz isolation voltage (input to output) 60 seconds 1500 vdc isolation resistance 500vdc 1000 m isolation capacitance 100khz, 1v 1500 pf maximum capacitive load see table environmental specifications operating temperature range with derating 40 +80 c case temperature +100 c storage temperature 50 +125 c humidity noncondensing 95 % rh rfi sixsided shielded metal case cooling natural convection lead temperature 1.5mm from case for 10 seconds 260 c mtbf (calculated) milhdbk217f at 25c, ground benign 350,000 hours physical specifications weight 0.53oz (15g) dimensions (l x w x h) 1.00 x 1.00 x 0.43 inches (25.4 x 25.4 x 10.16 mm) case material aluminum alloy, black anodized coating base material fr4 pcb (flammability to ul 94v0 rated) safety & emc safety approvals (pending) ul/cul 609501 recognition (csa certificate), iec/e n 609501 (cbscheme) conducted emi en55022 class a & fcc part 15 class a compliance
wall industries, inc. rev a dcmju10 series 10 watt dc/dc power converters 11/27/2013 wall industries, inc. ? 37 industrial drive, exeter , nh 03833 ? tel: 6037782300 ? toll free: 88859 79255 ? fax 6037789797 website: www.wallindustries.com ? email: sales@wal lindustries.com page 3 of 6 mechanical drawings standard models 0.20 [5.08] 1.00 [25.4] 0.40 [10.16] 1 2 6 3 4 5 bottom view unit: inches [mm] tolerance: x.xx0.01 [x.x0.25] x.xxx0.005 [x.xx0.13] pin diameter: ?0.040.002 [?1.00.05] 0.40 [10.16] 0.30 [7.62] 0.10 [2.54] 0.10 [2.54] 0.80 [20.3] 1.00 [25.4] ?0.04 [?1.00] 0.24 [6.0] 0.400.02 [10.160.5] pin connections pin single output dual output 1 +vin +vin 2 vin vin 3 +vout +vout 4 no pin common 5 vout vout 6 remote on/o remote on/o physical characteristics case size: 1.0 x 1.0 x 0.4 inches [25.4 x 25.4 x 10 .16 mm] case material: aluminum alloy, black anodized coati ng base material: fr4 pcb (ammability to ul 94v0 rat ed) weight: 0.53oz (15g) heatsink option (suffix hs) unit: inches [mm] physical characteristics heatsink material: aluminum finish: anodic treatment (black) heatsink weight: 0.07oz (2g) 0.64 [16.3] 1.22 [31.0] max. heatsink thermal pad clamp converter 0.69 [17.46] max. advantages of adding a heatsink 1. to help heat dissipation and increase the stabil ity and reliability of dc/dc converters at high operating temperature atmo sphere. 2. to upgrade the operating temperature of dc/dc co nverters, please refer to derating curves. 3. to order the module with a heatsink please add t he sux hs to the model number (ex: dcmju24s1210hs)
wall industries, inc. rev a dcmju10 series 10 watt dc/dc power converters 11/27/2013 wall industries, inc. ? 37 industrial drive, exeter , nh 03833 ? tel: 6037782300 ? toll free: 88859 79255 ? fax 6037789797 website: www.wallindustries.com ? email: sales@wal lindustries.com page 4 of 6 derating curves derating curve without heatsink derating curve with heatsink 0 20 40 60 80 100 120 -40 0 20 40 60 80 100 120 output power (%) natural convection 100lfm 200lfm 400lfm ambient temperature (c) 0 20 40 60 80 100 120 -40 0 20 40 60 80 100 120 output power (%) natural convection 100lfm 200lfm 400lfm ambient temperature (c) design & feature considerations remote on/off positive logic remote on/off turns the module on du ring a logic high voltage on the remote on/off pin and off during a logic low. to turn the module on and off, the user must supply a switch to control the voltage between the on/off te rminal and the Cvin terminal. the switch can be an open collector or equivalent. a logic low is 0v to 1v. a logic high is 2.5v to 50 v. the maximum sink current at on/off terminal during a logic low is 500a. the m aximum allowable leakage current of the switch at o n/off terminal (2.5v to 50v) is 500a. over current protection to provide protection in a fault (output overload) condition, the unit is equipped with internal curre nt limiting circuitry and can endure overload for an unlimited duration. at the p oint of currentlimit inception, the unit shifts fr om voltage control to current control. the unit operates normally once the output current is brought back into its specified range. input source impedance the power module should be connected to a low acim pedance input source. highly inductive source imped ances can affect the stability of the power module. in applications where power is supplied over long l ines and output loading is high, it may be necessar y to use a capacitor at the input to ensure startup. a capacitor mounted close to the power module helps ensure stability of the unit, it is recommended to use a good quality low equivalent series resistance (esr < 1.0 at 100khz) capacitor of 6.8f for the 24v and 48v devices. + +out -out +vin -vin dc/dc converter load dc power source + - cin maximum capacitive load the dcmju10 series has a limitation of maximum conn ected capacitance on the output. the power module may be operated in current limiting mode during startup, affecting th e rampup and the startup time. the maximum capac itance can be found in the model selection table.
wall industries, inc. rev a dcmju10 series 10 watt dc/dc power converters 11/27/2013 wall industries, inc. ? 37 industrial drive, exeter , nh 03833 ? tel: 6037782300 ? toll free: 88859 79255 ? fax 6037789797 website: www.wallindustries.com ? email: sales@wal lindustries.com page 5 of 6 design & feature considerations output ripple reduction a good quality low esr capacitor placed as close as possible across the load will give the best ripple and noise performance. to reduce output ripple, it is recommended to use 4.7 f capacitors at the output. +out -out +vin -vin load dc power source + - cout single output dc/dc converter +out -out +vin -vin load dc power source + - cout com. load cout dual output dc/dc converter thermal considerations many conditions affect the thermal performance of t he power module, such as orientation, airflow over the module, and board spacing. to avoid exceeding the maximum temperature rating of the components inside the power module, the case temperature must be kept below 100c. the derating curves are determined from measurements obtained in a test set up. dut position of air velocity probe and thermocouple 50mm / 2in air flow 15mm / 0.6in test configurations input reflectedripple current test setup input reflectedripple current is measured with an inductor lin (4.7h) and cin (220f, esr < 1.0 at 100 khz) to simulate source impedance. capacitor cin offsets possible battery i mpedance. current ripple is measured at the input t erminals of the module. measurement bandwidth is 0500 khz. +out -out +vin -vin dc/dc converter load battery + lin + cin to oscilloscope current probe peaktopeak output noise measurement test use a 0.47f ceramic capacitor. scope measurement s hould be made by using a bnc socket, measurement ba ndwidth is 020mhz. position the load between 50mm and 75mm from the dc /dc converter. +out -out +vin -vin resistive load scope copper strip cout copper strip single output dc/dc converter +out -out +vin -vin resistive load scope copper strip cout com. scope cout copper strip copper strip dual output dc/dc converter
wall industries, inc. rev a dcmju10 series 10 watt dc/dc power converters 11/27/2013 wall industries, inc. ? 37 industrial drive, exeter , nh 03833 ? tel: 6037782300 ? toll free: 88859 79255 ? fax 6037789797 website: www.wallindustries.com ? email: sales@wal lindustries.com page 6 of 6 model number setup dcmju 24 s 12 10 hs series name input voltage output quantity ouptut voltage output power heatsink 24: 936 vdc s: single output 3.3: 3.3 vdc 10: 10 watts none: no heatsink 48: 1875 vdc 05: 5 vdc hs: heatsink 5.1: 5.1 vdc 12: 12 vdc 15: 15 vdc 24: 24 vdc d: dual output 05: 5 vdc 12: 12 vdc 15: 15 vdc company information wall industries, inc. has created custom and modifi ed units for over 50 years. our inhouse research a nd development engineers will provide a solution that exceeds your performance re quirements ontime and on budget. our iso90012008 certification is just one example of our commitment to producing a high quali ty, welldocumented product for our customers. our past projects demonstrate our commitment to you , our customer. wall industries, inc. has a reputat ion for working closely with its customers to ensure each solution meets or exceeds form, fit and function requirements. we will contin ue to provide ongoing support for your project above and beyond the desig n and production phases. give us a call today to d iscuss your future projects. contact wall industries for further information: phone: (603)7782300 toll free: (888)5979255 fax: (603)7789797 email: sales@wallindustries.com web: www.wallindustries.com address: 37 industrial drive exeter, nh 03833
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