wall industries, inc. rev b dchaa series 5~6 watt dc/dc power converters 01/14/2013 wall industries, inc. ? 5 watson brook road, exeter, nh 03 833 ? 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 4 features ? 2:1 wide input voltage ranges ? 5~6 watts output power ? rohs compliant ? no minimum load requirement ? single and dual outputs ? high efficiency up to 85% ? -40c to +85c operating temperature range ? 4000vacrms i/o isolation voltage ? 6000vpk isolation test voltage ? short circuit protection: co ntinuous & auto-recovery ? over voltage protection: clamp mode ? 24-pin dip package with industry-standard footprint size: 1.25 x 0.80 x 0.50 inches 31.7 x 20.3 x 12.65 mm applications ? battery operated equipment ? telecom ? industry control systems ? wireless networks ? measurement equipment description the dchaa series of dc/dc power converters pr ovides up to 6 watts of continuous output power in a 1.25 x 0.80 x 0.50 24-pin dip package. this series consists of single and dual output models with 2:1 input voltage ranges of 9~ 18vdc, 18~36vdc, and 36~75vdc. some features include high efficiency up to 85%, 4000vacrm s i/o isolation, -40c to +85c operating temperature range, and no minimum load requir ement. the dchaa series is rohs and ul94v-0 compliant. these converters are best suit ed for use in battery operated equipment, measurement equipment, telecom, wireless networks, industry control systems, and anywhere where isolated and compact size are required. model selection table single output models input current model number input voltage range output voltage output current no load full load output power efficiency (1) maximum capacitive load dchaa12s5-5h 5 vdc 1000ma 22ma 541ma 5w 81% 2000f dchaa12s12-6h 12 vdc (9 C 18 vdc) 12 vdc 500ma 35ma 630ma 6w 83% 470f dchaa24s5-5h 5 vdc 1000ma 13ma 265ma 5w 82% 2000f dchaa24s12-6h 24 vdc (18 C 36 vdc) 12 vdc 500ma 13ma 309ma 6w 85% 470f dchaa48s5-5h 5 vdc 1000ma 8ma 135ma 5w 81% 2000f dchaa48s12-6h 48 vdc (36 C 75 vdc) 12 vdc 500ma 9ma 158ma 6w 83% 470f dual output models input current model number input voltage range output voltage output current no load full load output power efficiency (1) maximum (2) capacitive load DCHAA12D12-6H 12 vdc 250ma 36ma 630ma 6w 83% 220f dchaa12d15-6h 12 vdc (9 C 18 vdc) 15 vdc 200ma 37ma 630ma 6w 83% 220f dchaa24d12-6h 12 vdc 250ma 19ma 313ma 6w 84% 220f dchaa24d15-6h 24 vdc (18 C 36 vdc) 15 vdc 200ma 21ma 309ma 6w 85% 220f dchaa48d12-6h 12 vdc 250ma 11ma 158ma 6w 83% 220f dchaa48d15-6h 48 vdc (36 C 75 vdc) 15 vdc 200ma 12ma 158ma 6w 83% 220f notes 1. typical value tested at nominal input and full load. 2. for each output.
wall industries, inc. rev b dchaa series 5~6 watt dc/dc power converters 01/14/2013 wall industries, inc. ? 5 watson brook road, exeter, nh 03 833 ? 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 4 technical specifications: dchaa series all specifications are based on 25c, nominal input volt age, and maximum output current unless otherwise noted. we reserve the right to change specific ations based on technological advances. specification test conditions min nom max unit input specifications 12vdc nominal input models 9 12 18 24vdc nominal input models 18 24 36 input voltage range 48vdc nominal input models 36 48 75 vdc 12vdc nominal input models 25 24vdc nominal input models 50 input surge voltage (100ms max.) 48vdc nominal input models 100 vdc input reflected ripple current nominal vin and full load 76 map-p input current see table input filter pi type output specifications output voltage see table voltage accuracy nominal vin and full load -1 +1 % output current see table minimum load 0 a line regulation ll to hl at full load -0.5 +0.5 % single outputs 25% load to full load -0.5 +0.5 balanced load -0.5 +0.5 load regulation dual outputs unbalanced load: 25% to 100% load -3 +3 % capacitive load see table output power see table 5v output models 110 150 12 v output models 70 ripple & noise (20mhz bw) others 150 200 mvp-p start-up time nominal vin and constant resistive load 510 ms transient response settling time 50% load step change 780 s transient response overshoot di/dt = 0.8/s 5 % vo temperature coefficient -0.02 +0.02 %/c protection short circuit protection continuous, automatic recovery over load protection % of full load 120 % 5v output models 6.2 12v output models 15 over voltage protection 15v output models zener diode clamp 18 vdc general specifications efficiency nominal input and full load see table switching frequency 150 khz i/o isolation voltage (rated) 60 seconds 4000 vacrms i/o isolation test voltage flash tested for 1 second 6000 vpk isolation resistance 500vdc 1 g isolation capacitance 12 pf environmental specifications operating temperature full load -40 +85 c case temperature +95 c storage temperature -50 +125 c relative humidity 5 95 % rh cooling free air convection mtbf 70,000 hours physical specifications case material non-conductive black plastic potting material silicon rubber (ul94v-0) weight 0.56oz (16g) dimensions (l x w x h) 1.25 x 0.80 x 0.50 inches (31.7 x 20.3 x 12.65 mm) emc characteristics emi en55022 (radiation) meets class a
wall industries, inc. rev b dchaa series 5~6 watt dc/dc power converters 01/14/2013 wall industries, inc. ? 5 watson brook road, exeter, nh 03 833 ? 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 4 derating dchaa48s5-5h derating curve 0 20 40 60 80 100 120 -40-20 0 20 40 60 80100120 output power (%) ambient temperature (c) 71 efficiency dchaa48s5-5h efficiency vs input voltage dchaa48s5-5h efficiency vs output current 90 85 80 75 70 65 60 55 50 36 40 44 48 52 56 60 64 68 75 efficiency (%) input voltage (vdc) 90 85 80 75 70 65 60 55 50 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 efficiency (%) output current (a) characteristics dchaa48s5-5h transient response at 50%~100% load dchaa48s5-5h loop gain & phase at vi=48v, full load
wall industries, inc. rev b dchaa series 5~6 watt dc/dc power converters 01/14/2013 wall industries, inc. ? 5 watson brook road, exeter, nh 03 833 ? 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 4 mechanical drawing 1.23 (31.15) 0.50 (12.65) 0.15 (3.81) 0.02 (0.50) 0.07 (1.88) 1.25 (31.70) 1.25 (31.70) 0.10 (2.55) 0.60 (15.20) 0.80 (20.30) 1 2 10 11 12 24 23 10 11 12 bottom view 0.07 (1.88) 0.20 (5.08) 0.80 (20.32) 0.10 (2.54) 1.25 (31.70) unit: inches (mm) notes: 1. tolerance: x.xx 0.01 (0.25) 2. case material: non-conductive black plastic 3. potting material: silicon rubber (ul94v-0) 4. dimensions: 1.25 x 0.80 x 0.50 inches 5. weight: 0.56oz (16g) 6. all dimensions are for reference only pin connections pin single output dual output 1 +vin +vin 2 +vin +vin 10 no connection common 11 no connection common 12 -vout no connection 13 +vout -vout 15 no connection +vout 23 -vin -vin 24 -vin -vin 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 performance requirements on- time and on budget. our iso9001-2008 certification is just one example of our commitment to producing a high qua lity, well-documented product for our customers. our past projects demonstrate our commitmen t to you, our customer. wall industries, in c. has a reputation for working closely w ith its customers to ensure each solution meets or exceeds form, fit an d function requirements. we will continue to provide ongoing support for your project above and beyond th e design and production phases. give us a call today to discuss your future projec ts. 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: 5 watson brook rd. exeter, nh 03833
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