1 ! ? ec5bw series 15 watt 4:1 input dc-dc converters features * 15w isolated output * efficiency to 88% * 2 x1 six-sided shield metal case * 4:1 input range * regulated outputs * fixed switching frequency * input under voltage protection * over current protection * remote on/off (option) * continuous short circuit protection * no tantalum capacitor inside * conductive emi meets en55022 class a * ce mark meets 2004/108/ec * safety meets ul60950-1, en60950-1, and iec60950-1 note: 1. nominal input voltage 24, 48vdc 2. measured at nominal input voltage 3. measured at 12vdc for 24vin, 24vdc for 48vin output current input current % eff. model number input voltage output voltage min. max. no load full load (2) (3) capacitor load max. ec5bw-24s33 9-36 vdc 3.3 vdc 0 ma 4000 ma 60 ma 632 ma 87 87 4000 f ec5bw-24s05 9-36 vdc 5 vdc 0 ma 3000 ma 70 ma 718 ma 87 87 3000 f ec5bw-24s12 9-36 vdc 12 vdc 0 ma 1250 ma 30 ma 718 ma 8 7 87 1250 f ! ec5bw-24s15 9-36 vdc 15 vdc 0 ma 1000 ma 30 ma 710 ma 8 8 88 1000 f ! EC5BW-24D05 9-36 vdc 5 vdc 0 ma 1500ma 30 ma 735 ma 8 5 85 1500 f ! ec5bw-24d12 9-36 vdc 12 vdc 0 ma 625ma 30 ma 718 ma 8 7 87 625 f ! ec5bw-24d15 9-36 vdc 15 vdc 0 ma 500ma 30 ma 710 ma 8 8 88 470 f ec5bw-48s33 18-75 vdc 3.3 vdc 0 ma 4000 ma 40 ma 313 ma 88 88 4000 f ec5bw-48s05 18-75 vdc 5 vdc 0 ma 3000 ma 40 ma 355 ma 88 88 3000 f ec5bw-48s12 18-75 vdc 12 vdc 0 ma 1250 ma 20 ma 359 ma 87 87 1250 f ! ec5bw-48s15 18-75 vdc 15 vdc 0 ma 1000 ma 20 ma 359 ma 87 87 1000 f ! ec5bw-48d05 18-75 vdc 5 vdc 0 ma 1500ma 20 ma 368 ma 85 85 1500 f ! ec5bw-48d12 18-75 vdc 12 vdc 0 ma 625ma 20 ma 359 ma 87 87 625 f ! ec5bw-48d15 18-75 vdc 15 vdc 0 ma 500ma 20 ma 359 ma 87 87 470 f
2 specifications all specifications typical at nominal line, full lo ad, and 25 : unless otherwise noted input specifications: general specifications: input voltage range ............. 24vdc ... ............. 9 C 36vdc efficiency ........................................ ................. see table 48vdc ..... 18 C 75vdc isolation voltage ................................. ........... 1500 vdc min. input surge voltage (100ms max.) .... 24vdc .... ... 50vdc max. isolation resistance ....................... 10 9 ohms min. 48vdc .... 100vdc max. isolation capacitance .. 1000pf typ . under voltage lockout ... 24vin power up .... .. 8.8vdc typ. switching frequency ............................. ..................... 400khz typ. 24vin power down ... 8.0vdc typ. emi/rfi ... conductive emi meets en55022 cla ss a 48vin power up ......... 17vdc typ. case grounding . connect case to -vin with deco upling y cap 48vin power down ....... 16vdc typ. operating ambient temperature range ........... . -40 to +85 : : input filter .... pi type de-rating, above 78 ... linearly to zero powe r at +105 : : output specifications: case temperature (note 3) .. 105 : voltage accuracy ........... 1.5% max. cooling natural convection voltage balance (dual) ... 2.0% max. storage temperature range ..................... ..... -55 to +125 : : transient response: 75% ~ 100% step load change humidity .......................................... ....... 95% rh max. non-condensing error band 5% vout nominal, recovery time .. < 250us mtbf . mil-std-217f, gb 25c, full load t.b. d. hrs ripple & noise, 20mhz bw (measured with 0.1uf mlcc) dimensions ................ 2.00 x 1.00 x 0.40 inch es (50.8 x 25.4 x 10.2 mm) vo=3.3 & 5v ..75mv p-p max. case material black coated copper with non-cond uctive base vo=12v & 15v & 12v & 15v .. 100mv p-p max. weight .. 35g temperature coefficient ........................ .... 0.03%/c max. note: short circuit protection ....................... .... continuous 1. measured from high line to low line. line regulation (note 1) single .... 0.2% max. 2. measured from full load to min. load. dual ......................... 0.5% max. 3. maximum case temperature under any operating con dition should load regulation (note 2) .. single .... 0.2% max. not be exceeded 105 : . dual ......................... 1.0% max. cross regulation (dual output) load cross variation 10%/100% . 5% max. over voltage protection . zener or tvs clamp current limit . 110% - 170% nominal o utput output short circuit protection ................... ........... continuous (hiccup mode) start up time .... 10ms typ. option: 1. suffix t to the model number with remote posit ive on/off control: logic compatibility .. cmos or open collector ttl, referenced to -vin module on .. >3.5vdc to 75vdc or open circ uit module off .. <1.2vdc 2. suffix a to the model number with output volta ge adjustable external trim adj. range 10%, single output only
size b dimensions: bottom view pin connection pin 1. 2. 3. 4. 5. +input -input +output common/np/trim -v output function *np-no pin on single output min dia tolerances inches: x.xx= 0.04 , x.xxx= 0.0 10 millimeters: x.x= 1 , x.xx=0.25 all dimensions in inches (mm) (option) 6. np/remote(option) ! typical derating curve for natural convection 78 -40 73 105 0% 20% 40% 60% 80% 100% 120% -40 -20 0 20 40 60 80 100 120 ambient temperature(oc) load(%) others xxd05 external output trim 10k ohms +vout trim -vout +vout trim -vout trimpot trim up trim down
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