wall industries, inc. 5 watson brook road exeter, nh 03833 603-778-2300 www.wallindustries.com fax 603-778-9797 dm series single and dual output 15 watt dc/dc converter 2:1 wide input voltage range features 15 watts output power output current up to 4a high efficiency up to 88% fixed switching frequency six-sided continuous shield 2:1 wide input voltage range standard 2 x 1 x 0.4 inch package iso9001 certified manufacturing facilities compliant to rohs eu directive 2002/95/ec options: positive logic and negative logic remote on/off specifications: dm series all specifications apply @ 25c ambient unless otherwise noted input specifications input voltage range ............ 12v nominal input ....................... 9 - 18 vdc 24v nominal input ..................... 18 - 36 vdc 48v nominal input ..................... 36 - 75 vdc input filter ....................................................................................... pi type input surge voltage (100ms max) ....... 12v input ..........................36 vdc 24v input ..........................50 vdc 48v input ........................100 vdc input reflected ripple current (note 2)........................................20map-p start up time (nominal vin and c onstant resistive load) .............20ms typ. remote on/off (option) (note 7) (positive logic)????. dc-dc on .............open or 3.5v < vr < 12v dc-dc off .............short or 0v < vr < 1.2v (negative logic)???... dc-dc on ...............short or 0v < vr < 1.2v dc-dc off ...........open or 3.5v < vr < 12v input current of remote control pin (nominal vin) ........... -0.5ma ~ +1ma remote off state input current (nominal vin) ...................................20ma output specifications output voltage ..............................................................................see table voltage accuracy (nominal vin and full load) ...................................... 1% output current ..............................................................................see table output power ........................................................................ 15 watts max. line regulation (ll to hl at fl)???????????????. 0.5% load regulation (min load to full load) .... single output????? 0.5% dual output??????.. 1% cross regulation (dual) (asymmetrical load 25% / 100% fl) ............ 5% minimum load (see note 6) ........................................................see table ripple/noise (20 mhz bw) ...................... single output..............50mvp-p dual output ................75mvp-p temperature coefficient ................................................. 0.02% / c max. transient response recovery time (25% load step) .......................250us protection specifications over voltage protection................. 3.3v output ..................................3.9v (zener diode clamp) 5v output ..................................6.2v 12v output ...................................15v 15v output ...................................18v over load protection (% of full load at nominal input).............. 150% max. short circuit protection. ................................... hiccup, automatic recovery general specifications efficiency ........................................................................................see table switching frequency ...................... single output ....................500khz typ. dual output.......................300khz typ. isolation voltage (input to output)......................................... 1600vdc min. isolation resistance ...............................................................10 9 ohms min. isolation capacitance ................................................................ 300pf max. environmental specifications operating temperature ................................ -40c ~ +85c (with derating) storage temperature .......................................................... -55c ~ +105c maximum case temperature ............................................................. 100c relative humidity...................................................................5% to 95% rh thermal impedance (note 8) natural convection ............................................................. 12c / watt natural convection with heat-sink..................................... 10c / watt thermal shock ..................................................................... mil-std-810f vibration ................................10~55hz, 10g, 30 minutes along x, y, and z mtbf (see note 1) .......................................................... 2.041 x 10 6 hours physical specifications weight ..................................................................................... 27g (0.95 oz) dimensions....................... 2.0 x 1.0 x 0.40 inches (50.8 x 25.4 x 10.2 mm) case material ..............................................................nickel-coated copper base material...................................................non-c onductive black plastic potting material..................................................................epoxy (ul94-v0) shielding......................................................................................... six-sided safety & emc approvals and standards .................. iec60950-1, ul60950-1, en60950-1 emi (note 9) ...............en55022 ...................................................... class a esd ....................en61000-4-2??.. ??.perf. criteria b radiated immunity......en61000-4-3 ....................... 10v/m perf. criteria a fast transient.............en61000-4-4 ......................... 2kv perf. criteria b surge (note 10) ..........en61000-4-5 ......................... 1kv perf. criteria b conducted immunity...en61000-4-6 .................... 10 vrms perf. criteria a due to advances in technology, specific ations subject to change without notice air 8kv contact 6kv applications measurement wireless network telecom/datacom industry control system semiconductor equipment
wall industries, inc. 5 watson brook road exeter, nh 03833 603-778-2300 www.wallindustries.com fax 603-778-9797 dm series single and dual output 15 watt dc/dc converter 2:1 wide input voltage range output voltage / current rating chart output current input current model number input range output voltage min. load full load output (4) ripple & noise no load (3) full load (2) efficiency (4) capacitor (5) load max dm12s3.3-4000 3.3 vdc 0ma 4000ma 50mvp-p 30ma 1467ma 79% 10200uf DM12S5-3000 5 vdc 15ma 3000ma 50mvp-p 25ma 1603ma 82% 7050uf dm12s12-1250 12 vdc 0ma 1250ma 50mvp-p 25ma 1524ma 86% 1035uf dm12s15-1000 15 vdc 0ma 1000ma 50mvp-p 20ma 1524ma 86% 705uf dm12d5-1500 5 vdc 0ma 1500ma 75mvp-p 20ma 1582ma 83% 1020uf dm12d12-625 12 vdc 0ma 625ma 75mvp-p 30ma 1524ma 86% 495uf dm12d15-500 12 vdc (9 - 18 vdc) 15 vdc 10ma 500ma 75mvp-p 35ma 1563ma 84% 165uf dm24s3.3-4000 3.3 vdc 0ma 4000ma 50mvp-p 15ma 724ma 80% 10200uf dm24s5-3000 5 vdc 15ma 3000ma 50mvp-p 10ma 781ma 84% 7050uf dm24s12-1250 12 vdc 0ma 1250ma 50mvp-p 20ma 772ma 85% 1035uf dm24s15-1000 15 vdc 10ma 1000ma 50mvp-p 15ma 772ma 85% 705uf dm24d5-1500 5 vdc 0ma 1500ma 75mvp-p 15ma 781ma 84% 1020uf dm24d12-625 12 vdc 0ma 625ma 75mvp-p 25ma 762ma 86% 495uf dm24d15-500 24 vdc (18 - 36 vdc) 15 vdc 0ma 500ma 75mvp-p 25ma 762ma 86% 165uf dm48s3.3-4000 3.3 vdc 0ma 4000ma 50mvp-p 10ma 357ma 81% 10200uf dm48s5-3000 5 vdc 0ma 3000ma 50mvp-p 20ma 396ma 83% 7050uf dm48s12-1250 12 vdc 10ma 1250ma 50mvp-p 15ma 377ma 87% 1035uf dm48s15-1000 15 vdc 0ma 1000ma 50mvp-p 15ma 381ma 86% 705uf dm48d5-1500 5 vdc 0ma 1500ma 75mvp-p 10ma 386ma 85% 1020uf dm48d12-625 12 vdc 0ma 625ma 75mvp-p 15ma 372ma 88% 495uf dm48d15-500 48 vdc (36 - 75 vdc) 15 vdc 0ma 500ma 75mvp-p 15ma 377ma 87% 165uf notes 1. bellcore tr-nwt-000332. case 1: 50% stress, temper ature at 40oc. (ground fixed and controlled environment) 2. maximum value at nominal input voltage and full load 3. typical value at nominal input voltage and no load. 4. typical value at nominal input voltage and full load. 5. test by minimum vin and constant resistive load. 6. the output requires a minimum loading on the output to maintain specified regulation. operat ion under no-load condition will not damage these devices, however they may not m eet all listed specifications. 7. the on/off control pin voltage is referenced to -vin. to order positive logic on-off contro l add the suffix p (ex: dm48s5-3000p) to order negative logic on-off contro l add the suffix r (ex: dm48s5-3000r) 8. heat sink is optional, consult factory. 9. the dm series can meet en55022 class a with an external capacitor in parallel with the input pins. recommended: 12vin: 6.8 f/50v 24vin: 2.2 f/50v 48vin: 1.5 f/100v 10. an external filter capacitor is required if the module has to meet en61000-4-5. the filter capacitor wall industries suggests: nippon chemi-con ky series 220uf/100v esr 48m ? . fec15-48s05 derating curve with heatsink (note 8 ) 0 20 40 60 80 100 120 ambient temperature( ) output power(%) 69 fec15-48s05 derating curve 0 20 40 60 80 100 120 ambient temperature( ) output power (%) 63 fec15-48s05 efficiency vs output load 45 50 55 60 65 70 75 80 85 90 95 output load (% of full load) efficiency(% ) fec15-48s05 efficiency vs input voltage input voltage (v) efficiency(%) derating curves & e fficiency graphs ambient temperature (c) ambient temperature (c) output power (%) output power (%) dm48s5-3000 derating curve dm48s5-3000 derating curve with heat sink (note 8) dm48s5-3000 efficiency vs output load dm48s5-3000 efficiency vs input voltage output load (% of full load) input voltage (v) efficiency (%) efficiency (%)
wall industries, inc. 5 watson brook road exeter, nh 03833 603-778-2300 www.wallindustries.com fax 603-778-9797 dm series single and dual output 15 watt dc/dc converter 2:1 wide input voltage range mechanical drawing pin connection pin single dual 1 + input + input 2 - input - input 3 + output + output 4 no pin common 5 - output - output 6 ctrl ( o p tion ) ctrl ( o p tion ) 0.400 (10.16) 0.400 (10.16) 0.50 (12.7) 1.00 (25.4) 0.40 (10.2) dia. 0.04 (1.0) 1. all dimensions in inches (mm) tolerance: x.xx0.02 (x.x0.5) x.xxx0.01 (x.xx0.25) 2. pin pitch tolerance 0.01(0.25) 3. pin dimension tolerance 0.004 (0.1) 2.00 (50.8) 0.100 (2.54) 0.200 (5.08) 0.800 (20.32) 0.60 (15.2) 0.22 (5.6) 1 2 3 4 5 6 bottom view pin connection pin single dual 1 +input +input 2 -input -input 3 +output +output 4 no pin common 5 -output -output 6 ctrl (option) ctrl (option) recommended filter for en55022 class b compliance +vin -vin +vout -vout l1 d/d converter c1 c4 c3 load c2 e input ? input 1 2 3 4 recommended en55022 class b filter circuit layout the components used in the figure 1, together with the manufacturers? part numbers for these components, are as follows: c1 c2 c3 c4 l1 dm12xxx-xxxx 4.7uf/50v n/a 1000pf/2kv 1000pf / 2kv 325uh common choke dm24xxx-xxxx 3.3uf/50v n/a 1000pf/2kv 1000pf / 2kv 325uh common choke dm48xxx-xxxx 2.2uf/100v 2.2uf/100v 1000pf/2kv 1000pf / 2kv 325uh common choke figure 1 figure 2 -input +input top view dm series
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