rev a dcmar 0 5 series 0.5a dc/dc switching regulator single out puts 5/22/2017 wall industries, inc. ? 37 industrial drive, exeter, nh 03833 ? tel: 603 - 778 - 2300 ? toll free: 888 - 597 - 9255 ? fax 603 - 778 - 9797 website: www.wallindustries.com ? e - m ail: sales@wallindustries.com page 1 of 4 features ? ? ? ? ? ? ? model selection table mod el number input voltage range (1) output voltage max. output current ripple & noise max. line regulation max. load regulation maximum capacitive load typ. efficiency @min. vin. @max. vin dcmar 05 - 015 4.75~32vdc 1.5vdc 500ma 30mvp - p 0.4% 0.6% 220 f 73% 63% dcmar 05 - 018 1.8vdc 500ma 30mvp - p 0.4% 0.6% 220 f 82% 71% dcmar 05 - 025 2.5vdc 500ma 30mvp - p 0.4% 0.6% 220 f 87% 77% dcmar 05 - 033 3.3vdc 500ma 30mvp - p 0.4% 0.6% 220 f 91% 81% dcmar 05 - 05 6.5~32vdc 5vdc 500ma 30mvp - p 0.4% 0.6% 220 f 94% 86% dcmar 05 - 065 8~32vdc 6.5vdc 500ma 30mvp - p 0.4% 0.6% 220 f 95% 88% dcmar 05 - 09 11~32vdc 9vdc 500ma 40mvp - p 0.2% 0.4% 220 f 96% 92% dcmar 05 - 12 15~32vdc 12vdc 500ma 40mvp - p 0.2% 0.4% 220 f 97% 94% dcmar 05 - 15 18~32vdc 15vdc 500ma 40mvp - p 0.2% 0.4 % 220 f 97% 95% specifications all specifications are based on 25c, resistive load, nominal input voltage, and rated output current unless otherwise noted. we reserve the right to change specifications based on technological advances. specification te st conditions min typ max unit input specifications input voltage range see table input surge voltage 1 sec. max - 0.3 34 vdc input current @no load 5 ma input filter all models internal capacitor internal filter type capacitor short circuit inp ut power 1.5 w output specifications output voltage see table voltage accuracy 2.0 3.0 %vnom. line regulation vin=min. to max. @full load 1.5 to 6.5v models 0.2 0.4 % 9v to 15v models 0.1 0.2 load regulation io=10% to 100% 1.5 to 6 .5v models 0.4 0.6 % 9v to 15v models 0.25 0.4 output current see table minimum load no minimum load requirement maximum capacitive load see table ripple & noise 0 - 20mhz bandwidth see table transient recovery time 50% load step change 10 0 sec transient response deviation 50% load step change 2 % temperature coefficient 0.015 %/ o c protection short circuit protection continuous, automatic recovery over temperature protection yes
rev a dcmar 0 5 series 0.5a dc/dc switching regulator single out puts 5/22/2017 wall industries, inc. ? 37 industrial drive, exeter, nh 03833 ? tel: 603 - 778 - 2300 ? toll free: 888 - 597 - 9255 ? fax 603 - 778 - 9797 website: www.wallindustries.com ? e - m ail: sales@wallindustries.com page 2 of 4 specifications all specifications are bas ed on 25c, resistive load, nominal input voltage, and rated output current unless otherwise noted. we reserve the right to change specifications based on technological advances. specification test conditions min typ max unit environmental specifications operating ambient temperature natural convection - 40 +90 o c storage temperature - 55 +125 o c case temperature +100 o c humidity non condensing 95 %rh thermal shutdown internal ic junction 160 o c cooling (4) natural convection lead - free refl ow solder process 1.5mm from case for 10sec 260 o c mtbf (calculated) mil - hdbk - 217f@25 o c, ground benign 2,000,000 hours general specifications typical efficiency see table switching frequency 280 330 380 khz physical specifications weight 0.069 oz (1.95g) dimensions (l x w x h) 0.45in x 0.30in x 0.40in (11.5mm x 7.55mm x 10.2mm) case material non - conductive black plastic (flammability to ul94v - 0 rated) pin material alloy 42 safety characteristics emi radiation without adding external co mponents en55022, fcc part 15 class b conduction with external components ems esd en61000 - 4 - 2 air 8kv a radiated immunity en61000 - 4 - 3 3v/m a fast transient (5) en61000 - 4 - 4 0.5kv a conducted immunity en61000 - 4 - 6 3vrms a pfmf en61000 - 4 - 8 3a.m a notes 1. with an input capacitor 22f/50v for input voltage >28vdc, input voltage allows 32vdc, max. 2. other input and output voltages may be available, please contact factory. 3. it is recommended to protect the converter by a slow blow fuse in the input sup ply line. 4. natural convection is about 20lfm but is not equal to still air (0lfm). 5. this series can meet en61000 - 4 - 4 by adding a capacitor across the input pins. suggested capacitor: chemi - con ky 330f/100v. * due to advances in technology, specifications su bject to change without notice. derating curves
rev a dcmar 0 5 series 0.5a dc/dc switching regulator single out puts 5/22/2017 wall industries, inc. ? 37 industrial drive, exeter, nh 03833 ? tel: 603 - 778 - 2300 ? toll free: 888 - 597 - 9255 ? fax 603 - 778 - 9797 website: www.wallindustries.com ? e - m ail: sales@wallindustries.com page 3 of 4 mechanical drawing s pin connections pin function 1 +vin 2 gnd 3 +vout notes: all dimensions in mm (inches) tolerance: x.x0.5 (x.xx0.02) x.xx 0.25 (x.xxx0.01) pins 0.05 (0.002) test setup peak - to - peak output noise measurement test use a cout 0.47f ceramic capacitor. scope measurement should be made by using a bnc socket, measurement bandwidth 0 - 20mhz. position the l oad between 50mm and 75mm from the dc/dc converter. technical notes output ripple reduction a good quality low esr capacitor placed as close as practicable across the load will give the best ripple and noise perf ormance. to reduce output ripple, it is recommended to use 3.3f capacitors at the output. maximum capacitive load the dcmar 05 series has limitation of maximum connected capacitance on the output. the power module may o perate in current limiting mode during start - up, affecting the ramp - up and the startup time. maximum capacitance can be found in the data sheet.
rev a dcmar 0 5 series 0.5a dc/dc switching regulator single out puts 5/22/2017 wall industries, inc. ? 37 industrial drive, exeter, nh 03833 ? tel: 603 - 778 - 2300 ? toll free: 888 - 597 - 9255 ? fax 603 - 778 - 9797 website: www.wallindustries.com ? e - m ail: sales@wallindustries.com page 4 of 4 company information wall industries, inc. has created custom and modified units for over 50 years. our in - house research and development engineers will provide a soluti on that exceeds your performance requirements on - time and on budget. our iso9001 - 2008 certification is just one example 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)597 - 9255 fax: ? (603)778- 9797 e - mail: sales@wallindustries.com web: www.wallindustries.com address: 37 industrial drive exeter, nh 03833
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