page 1 of 3 www.pduke.com 2014/4/30 fed20 series 20 watts dc-dc converter input specifications input voltage range 12vdc nominal input 24vdc nominal input 48vdc nominal input 9 ~ 18vdc 18 ~ 36vdc 36 ~ 75vdc input filter l-c type input surge voltage 12vdc input 24vdc input 48vdc input 36vdc 100ms, max. 50vdc 100ms, max. 100vdc 100ms, max. input reflected ripple current 20map-p start up time nominal input and constant resistive load power up remote on/off 10ms 10ms remote on/off (note 6) (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 input - 0.5ma ~ +0.5ma remote off state input current nominal input 2.5ma environmental specifications operating ambient temperature -40oc ~ +85oc (with d erating) maximum case temperature 100oc storage temperature range -55oc ~ +125oc thermal impedance (note 7) natural convection natural convection with heat-sink 12oc/watt 10oc/watt thermal shock mil-std-810f vibration mil-std-810f relative humidity 5% to 95% rh emc characteristics emi (note 8) en55022 class a, class b esd en61000-4-2 air contact 8kv 6kv perf. criteria b radiated immunity en61000-4-3 10 v/m perf. criteria a fast transient (note 9) en61000-4-4 2kv perf. criteria a surge (note 9) en61000-4-5 1kv perf. criteria b conducted immunity en61000-4-6 10 vr.m.s perf. criteria a output specifications output power 20 watts, max. voltage accuracy 1% minimum load 0% voltage adjustability single output 10% line regulation ll to hl at full load 0.2% load regulation no load to full load 0.5% cross regulation (dual) asymmetrical load 25% / 100% fl 5% ripple and noise 20mhz bandwidth (measured with a 0.1 f/50v mlcc) see table temperature coefficient 0.02% / oc, max. transient response recovery time 25% load step change 250 s over voltage protection zener diode clamp 1.5vdc output 1.8vdc output 2.5vdc output 3.3vdc output 5vdc output 12vdc output 15vdc output 3.9vdc 3.9vdc 3.9vdc 3.9vdc 6.2vdc 15vdc 18vdc over load protection % of fl at nominal input 150%, max. short circuit protection continuous, automatics recovery general specifications efficiency see table isolation voltage input to output input(output) to case 1600vdc, min. 1minute 1600vdc, min. 1minute isolation resistance 500vdc 10 9 ohms, min. isolation capacitance 1000pf, max. switching frequency 500khz10% safety approvals iec60950-1, ul60950-1, & en60950-1 case material nickel-coated copper base material non-conductive black plastic potting material epoxy (ul94 v-0) dimensions 2.00 x 1.00 x 0.40 inch (50.8 x 25.4 x 10.2 mm) weight 27g (0.95oz) mtbf (note 1) mil-hdbk-217f 1.583 x 10 6 hrs t e c h n i c a l s p e c i f i c a t i o n all specifications are typical at nominal input, ful l load and 25oc otherwise noted features ? 20 watts maximum output power ? output current up to 6a ? standard 2.00 x 1.00 x 0.40 inch package ? high efficiency up to 89% ? 2:1 wide input voltage range ? six-sided continuous shield ? fixed switching frequency ? ul60950-1, en60950-1, & iec60950-1 safety approvals ? ce marked ? compliant to rohs ii & reach options negative logic remote on/off description t he fed20 series offer 20 watts of output power from a 2.00 x 1.00 x 0.40 inch package. the fed20 series with 2:1 wide in put voltage of 9~18vdc, 18~36vdc and 36~75vdc and features 1600vdc of isolation, short-circuit and over-voltage protectio n. applications wireless network telecom/datacom industry control system measurement equipment semiconductor equipment
page 2 of 3 www.pduke.com 2014/4/30 fed20 series 20 watts dc-dc converter fed20-48s05 efficiency vs input voltage 78 80 82 84 86 88 90 92 36 40 44 48 52 56 60 64 68 72 input voltage (v) e f f ic ie n c y (% ) fed20-48s05 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) e f f i c i e n c y ( % ) output current model number input range output voltage min. load full load output ( 2 ) ripple & noise no load ( 3 ) input current eff ( 4 ) (%) capacitor ( 5 ) load max fed20-12s1p5 9 ~ 18 vdc 1.5 vdc 0ma 6000ma 60mvp-p 70ma 78 65000 f fed20-12s1p8 9 ~ 18 vdc 1.8 vdc 0ma 6000ma 60mvp-p 75ma 79 65000 f fed20-12s2p5 9 ~ 18 vdc 2.5 vdc 0ma 6000ma 60mvp-p 80ma 83 33000 f fed20-12s3p3 9 ~ 18 vdc 3.3 vdc 0ma 5000ma 60mvp-p 115ma 85 13000 f fed20-12s05 9 ~ 18 vdc 5 vdc 0ma 4000ma 75mvp-p 75ma 87 6800 f fed20-12s12 9 ~ 18 vdc 12 vdc 0ma 1670ma 75mvp-p 90ma 86 2200 f fed20-12s15 9 ~ 18 vdc 15 vdc 0ma 1330ma 75mvp-p 35ma 86 755 f fed20-12d12 9 ~ 18 vdc 12vdc 0ma 833ma 100mvp-p 45ma 86 680 f FED20-12D15 9 ~ 18 vdc 15vdc 0ma 667ma 100mvp-p 50ma 86 450 f fed20-24s1p5 18 ~ 36 vdc 1.5 vdc 0ma 6000ma 60mvp-p 35ma 80 65000 f fed20-24s1p8 18 ~ 36 vdc 1.8 vdc 0ma 6000ma 60mvp-p 45ma 81 65000 f fed20-24s2p5 18 ~ 36 vdc 2.5 vdc 0ma 6000ma 60mvp-p 40ma 84 33000 f fed20-24s3p3 18 ~ 36 vdc 3.3 vdc 0ma 5000ma 60mvp-p 30ma 86 13000 f fed20-24s05 18 ~ 36 vdc 5 vdc 0ma 4000ma 75mvp-p 35ma 89 6800 f fed20-24s12 18 ~ 36 vdc 12 vdc 0ma 1670ma 75mvp-p 55ma 87 2200 f fed20-24s15 18 ~ 36 vdc 15 vdc 0ma 1330ma 75mvp-p 40ma 87 755 f fed20-24d12 18 ~ 36 vdc 12vdc 0ma 833ma 100mvp-p 30ma 87 680 f fed20-24d15 18 ~ 36 vdc 15vdc 0ma 667ma 100mvp-p 30ma 88 450 f fed20-48s1p5 36 ~ 75 vdc 1.5 vdc 0ma 6000ma 60mvp-p 15ma 80 65000 f fed20-48s1p8 36 ~ 75 vdc 1.8 vdc 0ma 6000ma 60mvp-p 20ma 82 65000 f fed20-48s2p5 36 ~ 75 vdc 2.5 vdc 0ma 6000ma 60mvp-p 30ma 84 33000 f fed20-48s3p3 36 ~ 75 vdc 3.3 vdc 0ma 5000ma 60mvp-p 15ma 87 13000 f fed20-48s05 36 ~ 75 vdc 5 vdc 0ma 4000ma 75mvp-p 20ma 89 6800 f fed20-48s12 36 ~ 75 vdc 12 vdc 0ma 1670ma 75mvp-p 35ma 88 2200 f fed20-48s15 36 ~ 75 vdc 15 vdc 0ma 1330ma 75mvp-p 50ma 87 755 f fed20-48d12 36 ~ 75 vdc 12vdc 0ma 833ma 100mvp-p 20ma 88 680 f fed20-48d15 36 ~ 75 vdc 15vdc 0ma 667ma 100mvp-p 20ma 88 450 f fed20-48s05 derating curve 0 20 40 60 80 100 120 -40 -20 0 20 40 60 80 100 120 ambient temperature( ) o u t p u t p o w e r (% ) 70 note 1. mil-hdbk-217f @ta=25 oc, full load. 2. typical value at nominal input and full load. (2 0mhz bw.) 3. typical value at nominal input and no load. 4. typical value at nominal input and full load. 5. test by minimum input and constant resistive loa d. 6. the ctrl pin voltage is referenced to -input. to order negative logic on-off control add the suff ix-n (ex: fed20-24s05-n). 7. heat-sink is optional and p/n: 7g-0020c-f. 8. the fed20 series standard module meets en55022 c lass a and class b with external components. for more detail information, please contact with p- duke. 9. an external input filter capacitor is required i f the module has to meet en61000-4-4, en61000-4-5. the filter capacitor power mate suggest: nippon che mi-con ky series, 220 f/100v. caution: this power module is not internally fused. an inpu t line fuse must always be used. fed20-48s05 derating curve with heatsink (note 7 ) 0 20 40 60 80 100 120 -40 -20 0 20 40 60 80 100 120 ambient temperature( ) o u t p u t p o w e r (% ) 75 fed20-48s05 derating curve with heat-sink (note 7)
page 3 of 3 www.pduke.com 2014/4/30 fed20 series 20 watts dc-dc converter mechanical drawing pin connection pin single dual 1 + input + input 2 - input - input 3 + output + output 4 trim common 5 - output - output 6 ctrl ctrl 1. all dimensions in inch (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) external output trimming output can be externally trimmed by using the method shown below. 5 4 trim up r u 4 3 trim down r d
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