1 ec 4a series 5-6 watt 2:1 input range dc-dc converters feature s * 5-6w isolated output * 24-pin dip package * efficiency to 87% * 2:1 input range * regulated outputs * pi input filter * continuous short circuit protection * meet emi en55022 class a (-e model) * no tantalum capacitor inside (-e model) * wide operating temperature range (-e model) * ul60950-1 approval for h/hm versions only and -e model note: 1. suffix -e of the models are high efficiency an d wide operating temperature version. 2. nominal input voltage is 12, 24 or 48 vdc. 3. typical value at nominal input voltage and full load. model number (1) input voltage (2) output voltage output current input current % eff. (3) capacitor load max. no load full load -e -e -e -e EC4A01 9- 18 vdc 5 vdc 10 00 ma 10 00 ma 7.5 ma 7.5 ma 541 ma 514 ma 77 81 4700uf ec4a02 9- 18 vdc 12 vdc 47 0 ma 50 0 ma 7.5 ma 10 ma 573 ma 595 ma 82 84 4700uf ec4a03 9- 18 vdc 1 5 vdc 4 00 ma 4 00 ma 7.5 ma 15 ma 625 ma 588 ma 80 85 4700uf ec4a04 9- 18 vdc 12 vdc 230 ma 250 ma 12 ma 12 ma 554 ma 588 ma 83 85 2200uf ec4a05 9- 18 vdc 15 vdc 190 ma 200 ma 12 ma 18 ma 556 ma 588 ma 81 85 2200uf ec4a06 9- 18 vdc 5 vdc 500 ma 500 ma 12 ma 12 ma 541 ma 514 ma 77 81 2200uf ec4a07 9- 18 vdc 3.3 vdc 100 0 ma 120 0 ma 7.5 ma 7.5 ma 382 ma 429 ma 72 77 4700uf ec4a11 18- 36 vdc 5 vdc 10 00 ma 10 00 ma 5 ma 5 ma 260 ma 251 ma 80 83 4700uf ec4a12 18- 36 vdc 12 vdc 47 0 ma 50 0 ma 5 ma 8 ma 280 ma 291 ma 84 86 4700uf ec4a13 18- 36 vdc 15 vdc 4 00 ma 4 00 ma 5 ma 8 ma 298 ma 287 ma 84 87 4700uf ec4a14 18- 36 vdc 12 vdc 230 ma 250 ma 7.5 ma 8 ma 280 ma 291 ma 82 86 2200uf ec4a15 18- 36 vdc 15 vdc 190 ma 200 ma 7.5 ma 10 ma 293 ma 287 ma 81 87 2200uf ec4a16 18- 36 vdc 5 vdc 500 ma 500 ma 7.5 ma 8 ma 260 ma 254 ma 80 82 2200uf ec4a17 18- 36 vdc 3.3 vdc 100 0 ma 120 0 ma 5 ma 5 ma 186 ma 209 ma 74 79 4700uf ec4a21 36- 72 vdc 5 vdc 10 00 ma 10 00 ma 2 ma 3 ma 132 ma 126 ma 79 83 4700uf ec4a22 36-72 v dc 12 vdc 47 0 ma 50 0 ma 2 ma 6 ma 142 ma 144 ma 83 87 4700uf ec4a23 36- 72 vdc 15 vdc 4 00 ma 4 00 ma 2 ma 6 ma 154 ma 144 ma 81 87 4700uf ec4a24 36- 72 vdc 12 vdc 230 ma 250 ma 3 ma 6 ma 142 ma 144 ma 81 87 2200uf ec4a25 36- 72 vdc 15 vdc 190 ma 200 m a 3 ma 6 ma 147 ma 144 ma 81 87 2200uf ec4a26 36- 72 vdc 5 vdc 500 ma 500 ma 3 ma 5 ma 130 ma 126 ma 80 83 2200uf ec4a27 36- 72 vdc 3.3 vdc 100 0 ma 120 0 ma 2 ma 2 ma 93 ma 104 ma 74 79 4700uf
2 specifications all specifications typical at nominal line, full load, and 25 unless otherwise noted input specifications: general specifications: input voltage range .................. 12v ... ........................... 9-18v efficiency ........................................ ......................................... see table 24v ............................ 18-36v isolation voltage: 48v ............................ 36-72v 500 vdc min. . standard models input surge voltage (100ms max.) 12v ...... ..... 25vdc max. 3k vdc min. ... (non-conductive black plastic only) suffix h models 24v ....................... 50vdc max. 1.5k vdc min. . suffix hm models 48v ..................... 100vdc max. isolation resistance .............................. ....................... 10 9 ohm min. input filter ....... pi type isolation capacitance.. 250pf typ. output specifications: switching frequency ............................... ....................... 100khz, min. voltage accuracy .................................. ........................................ 2.0% max. operating ambient temperature range ............... ........... -25 to +71 voltage balance (dual) ............................ ...................................... 1.0% max. -e models: -40 to +85 with derating temperature coefficient 0.05% / power de-rating curve .. see figure1 ripple & noise, 20mhz bw (note 5) . 3.3v/5v . 100mv p-p, max case temperature (note 4) plastic/copper case... 95 /100 max. 12v/15v 1% p-p max. cooling .. natural convection short circuit protection continu ous storage temperature range ................... -40 to +100 line regulation ... single/dual (note 1) . . 0.5% max. humidity .......................................... ........ 95% rh max. non condensing load regulation . single (note 2) ......... .... 0.5% max. mtbf . mil-std-217f .... 2000khrs typ . dual (note 3) .1.0% max. -e models: 1800khrs typ. start up time ...... 5 ms max. dimensions .. dip.. 1.25 0.80x0.40 inches(31.8x20.3 10.2mm) note: smd .. 1.25 0.80x0.45 inches(31.8x20.3 11.4mm) 1. measured from high line to low line s/hs models (note 6) 1.25 0.80x0.41 inches(31.8x20.3 10.4mm) 2. measured from full load to 10% load case material: 3. measured from full load to 1/4 load standard models . non-conductive black pla stic 4. maximum case temperature under any operating con dition should suffix m models .. black coated copper with non-c onductive base not exceed 95 (plastic case),100 (copper case) suffix s models ... smd package 5. the output noise is measured with 0.1uf mlcc acr oss for smd package weight ... 12.5g 6. s and hs models for e version only case a dimensions: bottom view see note pin connection 500 vdc 1.5k & 3k vdc pin single output dual output 1,24 2,23 3,22 10,15 11,14 12,13 +v input nc nc -v output +v output -v input +v input -v output -v input common common +v output * np-no pin * nc-no connection with pin note:pin size is 0.02 0.002inch (0.50.05mm)dia all dimensions in inches (mm) tolerances inches: x.xx= 0.02 , x.xxx= 0.0 10 millimeters: x.x= 0.5 , x.xx=0.25 9 4 20,21 case as top view dip smd np nc np nc np nc dip smd pin single output dual output dip smd dip smd np nc np nc np nc nc nc -v output common -v input -v input +v output +v output common -v output +v input +v input 1,24 2,3 10,15 11 12,13 14 9 22,23 16 4,5 20,21 np nc np nc np nc np nc nc nc np nc np nc np nc np nc 16 np nc np nc 5 np nc np nc *0.41(10.4)mm for "-e" version s/hs models figure1.typical derating curve for natural convecti on 100 71 - 40 100 -40 80 0% 20% 40% 60% 80% 100% 120% -40 -20 0 20 40 60 80 100 ambient temperature( o c) load(%) plastic case copper case -e version
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