wall industries, inc. 5 watson brook road exeter, nh 03833 603-778-2300 www.wallindustries.com fax 603-778-9797 me series 5600vdc i/o isolation single and dual outputs 5~6 watt medical dc/dc converte r rev b features efficiency up to 80% low isolation capacitance low leakage current 2:1 wide input voltage range single & dual outputs operating temperature: -40c to +55c 5600vdc i/o isolation medical safety approval ul/cul 60601-1 short circuit protection all i/o clearance and creepage distance 2.0mm min. mtbf > 700,000 hours complies with en55022 class a with external coupling capacitor cio=1nf < class b description the me series of medical approved (ul/cul 60601-1) dc/dc converte rs are specially designed to provide ultra high levels of isolation (5600vdc) in a 24-pin dip package. these converters operat e over input voltage ranges of 9-18vdc, 18- 36vdc, and 36-75vdc. this series also p rovides regulated single and dual output voltages of 5, 12, 12, and 15vdc. the -40c to +55c operating temperature makes this series of dc/dc converters ideal for data communication equipment, mobile batte ry driven equipment, distributed pow er systems, process/machine control equipment, telecommunications equipment, mixed analog/digital subsys tems, computer peripheral syst ems, and industrial robot sys tems. these converters have a power rating of 6w and a typical full load ef ficiency of 80%. this series complies with en55022 class a condu cted noise and radiated emissions with an external coupling capacitor cio=1nf < class b. the en55022 class a conducted noise compliance minimi zes design time, cost, and eliminates the need for external filter com ponents. all models are over load and short circuit protected. specifications: me series all specifications are based on 25c, nominal input volt age, and maximum output current unless otherwise noted. we reserve the right to change specifications based on te chnological advances. specification test conditions min nom max unit input (v in ) 12v nominal input models 9 12 18 24v nominal input models 18 24 36 input voltage range 48v nominal input models 36 48 75 vdc 12v nominal input models 7 8 9 24v nominal input models 13 15 18 start voltage 48v nominal input models 30 33 36 vdc 12v nominal input models 8.5 24v nominal input models 16 under voltage shutdown 48v nominal input models 34 vdc short circuit input power all models 3000 mw 12v nominal input models -0.7 25 24v nominal input models -0.7 50 input surge voltage (1000ms) 48v nominal input models -0.7 100 vdc input filter pi filter leakage current 240vac, 60hz 2 a output (v o ) output voltage see table output voltage accuracy 0.5 1.0 % output voltage balance dual output, balanced loads 0.5 2.0 % load regulation io = 25% to 100% 0.5 1.0 % line regulation vin = min. to max. 0.3 0.5 % output power see table output current range see table 5v output models 75 100 ripple & noise (20mhz) other output models 100 150 mv pk-pk ripple & noise (20mhz) over line, over load, and over temperature 180 mv pk-pk ripple & noise (20mhz) 25 mvrms transient recovery time 25% load step change 300 500 s transient response deviation 25% load step change 3 6 % protection over load protection 120 % short circuit protection continuous 12v nominal input models 1200ma slow-blow type 24v nominal input models 600ma slow-blow type input fuse recommendation 48v nominal input models 300ma slow-blow type general efficiency see table switching frequency 150 khz isolation voltage rated 60 seconds 5600 vdc isolation voltage test flash test for 1 second 6000 vdc isolation resistance 500vdc 1000 m ? isolation capacitance 100khz, 1v 7 13 pf internal power dissipation 2500 mw max. capacitive load see table
wall industries, inc. 5 watson brook road exeter, nh 03833 603-778-2300 www.wallindustries.com fax 603-778-9797 me series 5600vdc i/o isolation single and dual outputs 5~6 watt medical dc/dc converte r rev b specifications (continued) all specifications are based on 25c, nominal input volt age, and maximum output current unless otherwise noted. we reserve the right to change specifications based on te chnological advances. specification test conditions min nom max unit environmental operating temperature (ambient) ambient -40 +55 c operating temperature (case) case -40 +95 c storage temperature -40 +125 c over temperature protection case temperature, automatic 107 112 117 c lead temperature 1.5mm from case for 10 seconds 260 c humidity 95 % cooling free air convection temperature coefficient 0.02 0.05 %/c mtbf mil-hdbk-217f @ 25c, ground benign 700,000 hours conducted emi en55022 class a physical weight 18 grams dimensions (l x w x h) 1.25 x 0.8 x 0.47 inches 31.8 x 20.3 x 12.0 mm case material non-conductive black plastic flammability ul94v-0 model selection guides single output models output current input current model number input voltage output voltage min max no load max load reflected ripple current output power efficiency (typ) maximum capacitive load me12s5-1000w 5 vdc 200 ma 1000 ma 570 ma 5w 75% 1000 f me12s12-500w 12 vdc (9 ~ 18 vdc) 12 vdc 100 ma 500 ma 30 ma 641 ma 60 ma 6w 78% 470 f me24s5-1000w 5 vdc 200 ma 1000 ma 278 ma 5w 77% 1000 f me24s12-500w 24 vdc (18 ~ 36 vdc) 12 vdc 100 ma 500 ma 20 ma 313 ma 30 ma 6w 80% 470 f me48s5-1000w 5 vdc 200 ma 1000 ma 139 ma 5w 77% 1000 f me48s12-500w 48 vdc (36 ~ 75 vdc) 12 vdc 100 ma 500 ma 10 ma 156 ma 15 ma 6w 80% 470 f dual output models output current input current model number input voltage output voltage min max no load max load reflected ripple current output power efficiency (typ) maximum capacitive load me12d12-250w 12 vdc 50 ma 250 ma 30 ma 641 ma 6w 78% 220 f # me12d15-200w 12 vdc (9 ~ 18 vdc) 15 vdc 40 ma 200 ma 30 ma 641 ma 100ma 6w 78% 220 f # me24d12-250w 12 vdc 50 ma 250 ma 20 ma 313 ma 6w 80% 220 f # me24d15-200w 24 vdc (18 ~ 36 vdc) 15 vdc 40 ma 200 ma 20 ma 313 ma 50ma 6w 80% 220 f # me48d12-250w 12 vdc 50 ma 250 ma 10 ma 156 ma 6w 80% 220 f # ME48D15-200W 48 vdc (36 ~ 75 vdc) 15 vdc 40 ma 200 ma 10 ma 156 ma 25ma 6w 80% 220 f # # for each output notes 1. transient recovery time is measured to within 1% error band for a step change in output load of 75% to 100%. 2. the me series requires a minimum output loading to mainta in specified regulations. operati on under no-load conditions will not damage these devices, however they may not meet all listed specifications. 3. all dc/dc converters should be external ly fused at the front end for protection. 4. other input and output voltages may be available, please contact factory.
wall industries, inc. 5 watson brook road exeter, nh 03833 603-778-2300 www.wallindustries.com fax 603-778-9797 me series 5600vdc i/o isolation single and dual outputs 5~6 watt medical dc/dc converte r rev b block diagrams single output dual output input voltage transient rating vin ( vdc ) 10us 150 140 130 120 110 100 90 80 70 60 100us 1ms 10ms 100ms 50 40 30 20 10 0 48vdc input models 24vdc input models 12vdc input models derating curves derating curve (5v output models only) derating curve (for all other models)
wall industries, inc. 5 watson brook road exeter, nh 03833 603-778-2300 www.wallindustries.com fax 603-778-9797 me series 5600vdc i/o isolation single and dual outputs 5~6 watt medical dc/dc converte r rev b mechanical drawing unit: inches (mm) pin connections pin single output dual output 1 +vin +vin 11 no pin common 12 -vout no pin 13 +vout -vout 15 no pin +vout 23 -vin -vin 24 -vin -vin 1. tolerance: x. x0.25 (x.xx0.01) x.xx0.13 (x.xxx0.005) 2. pin: 0.05 (0.002)
wall industries, inc. 5 watson brook road exeter, nh 03833 603-778-2300 www.wallindustries.com fax 603-778-9797 me series 5600vdc i/o isolation single and dual outputs 5~6 watt medical dc/dc converte r rev b design & feature consideratons input source impedance the power module should be connected to a low ac-impedance in put source. highly inductive source impedances can affect the stability of the power module. in app lications where power is supplied over lo ng lines and output loading is high, it may be necessary to use a capacitor at the i nput to ensure startup. a capacitor mount ed close to the power module helps ensure stability of the unit. it is recommended to use a good q uality low equivalent series resistance (esr < 1.0 ? at 100khz) capacitor of 10 f for the 12v input models, 4.7 f for the 24v input models, and a 2.2 f for the 48v input models. + +out -out +vin -vin dc / dc converter load dc power source + - cin maximum capacitive load the me series has a limit of connected capacitance at the output. the power module may operate in current limiting mode during start-up, which affects the ramp-up and the startup time. connect capacitors at the point of load for best performance. the maximum capacitive load can be found in the ?output voltage / current rating chart? on page 2. test configurations input reflected-ripple current test setup input reflected-ripple current is measured with an inductor lin (4.7 h) and cin (220 f, esr < 1.0 ? at 100khz) to simulate source impedance. +out -out +vin -vin dc / dc converter load battery + lin + cin to oscilloscope current probe capacitor cin offsets possible battery impedance. current ripple is measured at the input terminals of the module. measurement bandwidth is 0 ~ 500khz. peak-to-peak output noise measurement test use a cout 0.47 f ceramic capacitor. scope measurement should be made by using a bnc socket; measurement bandwidth is 0 ~ 20mhz. position the load between 50mm and 75mm from the dc/dc converter. +out -out +vin -vin single output dc / dc converter resistive load scope copper strip cout +out -out +vin -vin dual output dc / dc converter resistive load scope copper strip cout com. scope cout
wall industries, inc. 5 watson brook road exeter, nh 03833 603-778-2300 www.wallindustries.com fax 603-778-9797 me series 5600vdc i/o isolation single and dual outputs 5~6 watt medical dc/dc converte r rev b output ripple reduction a good quality low esr capacitor placed as close as possible ac ross the load will give the best ripple and noise performance. to reduce output ripple it is recommended to use a 3.3 f capacitor 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. dual output dc / dc converter thermal considerations many conditions affect the thermal performance of the power module, such as orientation, airflow over the module, and board spacing. to avoid exceeding the maximum temperature rati ng of the components inside the power module, the case temperature must be kept below 95c. the derating curves are determined from measurements obtained in an experimental apparatus. dut position of air velocity probe and thermocouple 50mm / 2in air flow 15mm / 0.6in electromagnetic emission en 55022 < a conducted and radiated emissions < a with external coupling capacitor cio=1nf < b company information: wall industries, inc. has created custom and modified units fo r over 40 years. our in-house research and development engineers will provide a solution that exceeds your perf ormance requirements on time and on budget. our iso9001-2000 certification is just one exampl e of our commitment to producing a high quality, well documented product for our customers. our past projects demonstrate our commitment to you, our customer. wall industries, inc. has a reputation for working closely with its customers to ensure each solution meets or exceeds form, fit and function requirements. we will continue to provide ongoing support for your project above and beyond the design and production phases. give us a call today to discuss your future projects. contact wall industries for further information: phone: ? (603)778-2300 toll free: ? (888)587-9255 fax: ? (603)778-9797 e-mail: sales@wallindustries.com web: www.wallindustries.com address: 5 watson brook rd. exeter, nh 03833
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