page 1 of 3 issued date 2008/06/12 input specifications input voltage range 24v nominal input 48v nominal input 9 ? 36vdc 18 ? 75vdc input filter pi type input surge voltage 100ms max 24v input 48v input 50vdc 100vdc input reflected ripple current nominal vin and full load 20map-p start up time nominal vin and constant resistive load power up remote on/off 20ms, max. 20ms, max. start-up voltage 24v input 48v input 9vdc 18vdc shutdown voltage 24v input 48v input 8vdc 16vdc remote on/off (note 10) positive logic (standard) negative logic (option) dc-dc on dc-dc off dc-dc on dc-dc off open or 3v < vr < 12v short or 0v < vr < 1.2v short or 0v < vr < 1.2v open or 3v < vr < 12v input current of remote control pin nominal vin -0.5ma ~ +0.5ma remote off state input current 24 vin 48 vin 10ma 5ma environmental specifications operating ambient temperature -40oc ~ +50oc (without derating) +50oc ~ +105oc (with derating) maximum case temperature +105oc storage temperature range -55oc ~ +125oc over temperature protection 110oc, typ. thermal impedance (note 11) without heat-sink with heat-sink 9.2oc/watt 7.6oc/watt thermal shock mil-std-810f vibration mil-std-810f relative humidity 5% to 95% rh emc characteristics emi (note 12) en55022 class a esd en61000-4-2 ai r contact 8kv 6kv perf. criteria a radiated immunity en61000-4-3 10 v/m perf. criteria a fast transient (note 13) en61000-4-4 2kv perf. criteria b surge (note 13) en61000-4-5 1kv perf. criteria a conducted immunity en61000-4-6 10 vr.m.s perf. criteria a output specifications output power 40 watts, max. voltage accuracy fl and nominal vin single / dual 1% minimum load (note 6) see table voltage adjustability (note 7) single and dual output 10% line regulation ll to hl at full load single/dual 0.2% load regulation (note 8) min. load to full load single dual 0.5% 1% load cross regulation (note 9) dual 5% temperature coefficient 0.02% / oc, max. transient response recovery time 25% load step change 250 s over voltage protection zener diode clamp 3.3v output 5v output 12v output 15v output 12v output 15v output 3.9vdc 6.2vdc 15vdc 18vdc 15vdc 18vdc over load protection % of fl at nominal input 150%, max. short circuit protection hiccup, automatics recovery general specifications efficiency see table isolation voltage input to output input(output) to case 1600vdc, min. 1600vdc, min. case grounding connect case to ?vin with decoupling y cap isolation resistance 10 9 ohms, min. isolation capacitance 2500pf, max. switching frequency 300khz, typ. approvals and standard iec60950-1, ul60950-1, en60950-1 case material nickel-coated copper base material fr4 pcb potting material epoxy (ul94-v0) dimensions 2.00 x 2.00 x 0.40 inch (50.8 x 50.8 x 10.2 mm) weight 60g (2.11oz) mtbf (note 1) bellcore tr-nwt-000332 mil-hdbk-217f 1.105 x 10 6 hrs 1.511 x 10 5 hrs technical specification all specifications are typical at nomi nal input, full load and 25oc otherwise noted features ? 40 watts maximum output power ? output current up to 10a ? standard 2? x 2? x 0.4? package ? high efficiency up to 88% ? 4:1 ultra wide input voltage range ? six-sided continuous shield ? fixed switching frequency ? ce mark meets 2006/95/ec , 93/68/eec and 2004/108/ec ? ul60950-1, en60950-1 and iec60950-1 licensed ? iso9001 certified manuf acturing facilities ? compliant to rohs eu directive 2002/95/ec options negative logic remove on/off description the fec40w series offer 40 watts of output power from a 2.00 x 2.00 x 0.4 inch package. the fec40w series with 4:1 ultra wide input voltage of 9-36vdc and 18-75vdc and features 1600vdc of isolation, short-circuit and over-voltage protection. applications wireless network telecom/datacom industry control system measurement equipment semiconductor equipment
page 2 of 3 issued date 2008/06/12 note 1. bellcore tr-nwt-000332. case 1: 50% stress, temperature at 40oc. mil-hdbk-217f notice2 @ta=25 oc, full load( ground, benign, 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 minimum loading on the output to maintain specified regulation. operat ion under no-load condition will n ot damage these devices, however they may not meet all listed specification. 7. for the single output: maximum output devia tion is 10% inclusive of remote sense and trim. if remote sense is not being used , the +sense should be connected to its corresponding +output and likewise the -s ense should be connected to its corresponding ?output. 8. load regulation for dual output : min load to 100% load balanced on all outputs. 9. cross regulation for dual output : asymmetrical load 25% / 100% fl 10. the on/off pin voltage is referenced to ?vin to order negative logic on/off control add the suff ix-n (ex: FEC40-24S05W-n). 11. heat sink is optional and p/n 7g-0026c-f. 12. the fec40w series can meet en55022 class a with parallel an external capacitor to the input pins. recommend : 24vin : n/a 48vin :2.2 f/100v*2 pcs 1812 mlcc. 13. an external input filter capacitor is requir ed if the module has to meet en61000-4-4, en61000-4-5. the filter capacitor power mate suggest: nippon chemi-con ky series, 220 f/100v, esr 48m . fec40-48s05w efficiency vs input voltage 80 82 84 86 88 90 18 24 30 36 42 48 54 60 66 72 input volt age(v) efficiency(%) fec40-48s05w efficiency vs output load 45 50 55 60 65 70 75 80 85 90 95 10 20 30 40 50 60 70 80 90 100 output load (% of full load) efficiency(%) output current input current model number input range output voltage min. load full load output (4) ripple & noise no load (3) full load (2) eff (4) (%) capacitor (5) load max fec40-24s3p3w 9 ? 36 vdc 3.3 vdc 0ma 10000ma 50mvp-p 80ma 1677ma 86 25750 f FEC40-24S05W 9 ? 36 vdc 5 vdc 0ma 8000ma 50mvp-p 100ma 2008ma 87 13600 f fec40-24s12w 9 ? 36 vdc 12 vdc 50ma 3333ma 75mvp-p 50ma 2008ma 87 2360 f fec40-24s15w 9 ? 36 vdc 15 vdc 50ma 2666ma 75mvp-p 50ma 2008ma 87 1510 f fec40-24d12w 9 ? 36 vdc 12 vdc 65 ma 1667ma 120mvp-p 60ma 2032ma 86 1200 f fec40-24d15w 9 ? 36 vdc 15 vdc 50 ma 1333ma 150mvp-p 70ma 2032ma 86 750 f fec40-48s3p3w 18 ? 75 vdc 3.3 vdc 0ma 10000ma 50mvp-p 60ma 838ma 86 25750 f fec40-48s05w 18 ? 75 vdc 5 vdc 0ma 8000ma 50mvp-p 65ma 992ma 88 13600 f fec40-48s12w 18 ? 75 vdc 12 vdc 50ma 3333ma 75mvp-p 30ma 1004ma 87 2360 f fec40-48s15w 18 ? 75 vdc 15 vdc 50ma 2666ma 75mvp-p 30ma 1004ma 87 1510 f fec40-48d12w 18 ? 75 vdc 12 vdc 65 ma 1667ma 120mvp-p 30ma 1016ma 86 1200 f fec40-48d15w 18 ? 75 vdc 15 vdc 60 ma 1333ma 150mvp-p 30ma 1016ma 86 750 f fec40-48s05w derating curvewith 0 20 40 60 80 100 120 -40 -20 0 20 40 60 80 100 120 ambient temperature( ) output power (%) 55 55 fec40-48s05w derating curve with heatsink (note 6 ) 0 20 40 60 80 100 120 -40 -20 0 20 40 60 80 100 120 ambient temperature( ) output power(%) 64 ( note 11 )
page 3 of 3 issued date 2008/06/12 pin connection pin single dual 1 +input +input 2 -input -input 3 ctrl ctrl 4 -sense +output 5 +sense com 6 +output com 7 -output -output 8 trim trim 4 ( 7 ) 8 ( 8 ) trim up 8 ( 8 ) 5 ( 4 ) trim down output can be externally trimmed by using the method shown below. ( ) for dual output trim external output trimming r u r d recommended filter for en55022 class b compliance the components used in the above figure, together with the manufacturers? part numbers for these components, are as follows: c1 c2 c3 c4 c5 & c6 l1 fec40- 24xxxw 4.7 f/50v 1812 mlcc n/a 4.7 f/50v 1812 mlcc n/a 1000pf / 2kv mlcc 450 h common choke pmt-048 fec40- 48xxxw 2.2 f/100v 1812 mlcc 2.2 f/100v 1812 mlcc 2.2 f/100v 1812 mlcc 2.2 f/100v 1812 mlcc 1000pf / 2kv mlcc 830 h common choke pmt-053 recommended en55022 class b filter circuit layout 1. all dimensions in inches (mm) tolerance: x.xx 0.02 (x.x 0.5) x.xxx 0.01 (x.xx 0.25) 2. pin pitch tolerance 0.01(0.25) 3. pin dimension tolerance 0.004 (0.1)
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