rev b dcmsau1 series 1 watt dc/dc power converters 10/23/2013 w all 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 - mail: sales@wallindustries.com page 1 of 5 size: 0.60 x 0.3 1 x 0.28 inches 15.3 x 8.0 x 7.1 mm weight: 0.08oz (2.2g) features ? ? ? ? ? ? ? ? ? ? ? description the dcmsau1 series of dc/dc converters provides 1 watt of output power in an smt package featuring high i/o isolation of 3000vdc . these converters operate over input voltage ranges of 4.5~5.5vdc, 10.8~13.2vdc, and 21.6~26.4vdc. this series also has single and dual out put voltages of 5v, 12v, 15v, 5v, 12v , and 15v. the dcmsau1 series? impressive efficiencies enable these modules to deliver their fully rate d output power from ? 40c to +85 c without a heatsink or forced - air cooling. the very small footprint of these c onverters makes them an ideal solution for many applications where a voltage has to be isolated such as for noise reduction, ground loop elimination in digital interfaces, or where a higher i/o isolation is required. these converters are also fully qualif ied for the higher temperature profile used in lead - free reflow solder processes. these converters can also be supplied in tape & reel packaging for use in automated smd production lines. model selection table single output models model number input vo ltage output voltage output current input current load regulation output power efficiency maximum capacitive load min max no load max load dcmsau505h - 1 5 vdc ( 4.5 - 5.5 vdc ) 5 vdc 4ma 200ma 30ma 281ma 10% 1w 71% 33f dcmsau512h - 1 12 vdc 1.5ma 84ma 258ma 7% 1w 78% 4.7f dcmsau515h - 1 15 vdc 1ma 67ma 258ma 7% 1w 78% 4.7f dcmsau1205h - 1 12 vdc (10.8 - 13.2 vdc ) 5 vdc 4ma 200ma 12ma 117ma 8% 1w 71% 33f dcmsau1212h - 1 12 vdc 1.5ma 84ma 106ma 5% 1w 79% 4.7f dcmsau1215h - 1 15 vdc 1ma 67ma 1 04ma 5% 1w 80% 4.7f dcmsau2405h - 1 24 vdc ( 21.6 - 26.4 vdc ) 5 vdc 4ma 200ma 7ma 58ma 8% 1w 71% 33f dcmsau2412h - 1 12 vdc 1.5ma 84ma 53ma 5% 1w 78% 4.7f dcmsau2415h - 1 15 v dc 1ma 67ma 43ma 5% 1w 79% 4.7f dual output models model number input volt age output voltage output current input current load regulation output power efficiency maximum capacitive load min max no load max load dcmsau505dh - 1 5 vdc ( 4.5 - 5.5 vdc ) 5 vdc 2ma 100ma 30ma 277ma 10% 1w 72% 10f dcmsau512dh - 1 12 vdc 0.8ma 42ma 255ma 7% 1w 78% 2.2f dcmsau515dh - 1 15 vdc 0.7ma 34ma 258ma 7% 1w 79% 2.2f dcmsau1205dh - 1 12 vdc (10.8 - 13.2 vdc ) 5 vdc 2ma 100ma 12ma 112ma 8% 1w 74% 10f dcmsau1212dh - 1 12 vdc 0.8ma 42ma 105ma 5% 1w 80% 2.2f dcmsau12 15dh - 1 15 vdc 0.7ma 34ma 104ma 5% 1w 81% 2.2f dcmsau2405dh - 1 24 vdc ( 21.6 - 26.4 vdc ) 5 vdc 2ma 100ma 7ma 57ma 8% 1w 72% 10f dcmsau2412dh - 1 12 vdc 0.8ma 42ma 53ma 5% 1w 79% 2.2f dcmsau2415dh - 1 15 vdc 0.7ma 34ma 53ma 5% 1w 80% 2 .2f notes 1. the dc ms au1 series requires a minimum output loading to maintain specified regulations. operation un der no - load conditions will not damage these devices; however they may not meet all listed specifications. 2. all dc/dc converters should be externally fused at the front end for protection. 3 . other input and output voltages may be available, please contact factory. *due to advances in technology, specifications are subject to change without notice.
rev b dcmsau1 series 1 watt dc/dc power converters 10/23/2013 w all 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 - mail: sales@wallindustries.com page 2 of 5 specifications: dcmsau1 series all sp ecifications are based on 25c, nominal input voltage, and maximum output current unless otherwise noted. we reserve the right to change specifications based on technological advances. specification test conditions min typ max unit input specifications input voltage range 5vdc nominal input models 4.5 5 5.5 vdc 12vdc nominal input models 10.8 12 13.2 24 vdc nominal input models 21.6 24 26.4 input surge voltage (1sec, max.) 5vdc nominal input models - 0.7 9 vdc 12vdc nominal input models - 0.7 18 24 vdc nominal input models - 0.7 30 reverse polarity input current 0.3 a input current see table internal power dissipation 5 50 mw input filter internal capacitor input fuse 5vdc nominal input models 5 00ma slow - blow type 12vdc nominal input models 2 00ma slow - blow type 24 vdc nominal input models 1 00ma slow - blow type output specifications output voltage see table output voltage accuracy 1.5 4.0 % output voltage balance (dual outputs) b alanced loads 0.1 1.0 % line regulatio n for vin change of 1% 1.2 1.5 % load regulation 20% load to 100% load see table output power 1 w output current see table minimum load see note 1 see table maximum capacitive load see table ripple & noise (20mhz) 75 10 0 mvp - p over line , over load, and over temperature 15 0 mvp - p 15 mv rms temperature coefficient 0.01 0.02 %/c protection short circuit protection automatic recovery 0.5 s general specifications efficiency nominal input voltage and full load see table swi tching frequency 50 100 15 0 khz isolation voltage (i/p to o/p) 60 seconds 30 00 vdc isolation resistance (i/p to o/p) 500vdc 10 g
rev b dcmsau1 series 1 watt dc/dc power converters 10/23/2013 w all 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 - mail: sales@wallindustries.com page 3 of 5 derating curve mechanical drawing mechanical dimensions connecting pin patterns
rev b dcmsau1 series 1 watt dc/dc power converters 10/23/2013 w all 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 - mail: sales@wallindustries.com page 4 of 5 design considerations input reflected - ripple current test setup input reflected - ripple current is measured with an inductor lin (4.7h) and cin (220f, es r < 1.0 at 100 khz) to simulate source impedance. capacitor cin offse ts possible battery impedance. current ripple is measured at the input terminals of the module. measurement bandwidth is 0 - 500 khz. peak - to - peak output noise measurement test use a 0.33 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. test set up maximum capacitive load the dcmsau1 series has a limitation of maximum connected capacitance on the output. the power module may be operated in current limiting mode during start - up, affecting the ramp - up and the start - up time. the maximum capac itance can be found in the model selection table. input source impedance the power module should be connected to a low ac - impedance input source. highly inductive source impedances can affect the stability of the power module. in applications where powe r is supplied over long lines and output loading is high, it may be necessary to use a capacitor a t the input to ensure startup. capacitor mounted close to the power module helps ensure stability of the unit, it is recommended to use a good quality low equ ivalent series resistance (esr < 1.0 at 100 khz) capacitor of 2.2 f for 5 v dc input models, 1 .0f for 12 v dc input models, and 0.47f for 24vdc input models . output ripple reduction a good quality low esr capacitor placed as close as possible across th e load will give the best ripple and noise performance. to reduce output ripp le, it is recommended to use 1.5 f capacitors at the output.
rev b dcmsau1 series 1 watt dc/dc power converters 10/23/2013 w all 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 - mail: sales@wallindustries.com page 5 of 5 test setup thermal considerations many conditions affect the thermal perfo rmance of the 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 te mperature must be kept below 90 c. the derating curves are determined from measurements obtained in a test setup. 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 solution that exceeds your p erformance 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 product ion 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
|
