page 1 of 3 www.pduke.com 2014/4/30 hec50 series 50 watts dc-dc converter output specifications output power 50 watts, max. voltage accuracy 1.5% minimum load 0% voltage adjustability (note 5) + 10% , -20% line regulation ll to hl at full load see table load regulation no load to full load see table remote sense (note 5) 10% of vout(nom) ripple and noise (note 6) 20mhz bandwidth 100mvp-p temperature coefficient 0.02% / oc, max. transient response recovery time 25% load step change 200 s over voltage protection threshold (hiccup) 115% ~ 1 30% of vout(nom) over current protection threshold 110% ~ 140% of iout rated short circuit protection continuous, automatics recovery general specifications efficiency see table isolation voltage input to output input(output) to case 1600 vdc, min. 1minute 1000 vdc, min. 1minute isolation resistance 500vdc 10 7 ohms, min. isolation capacitance 2500pf, max. switching frequency 300khz10% safety approvals iec60950-1, ul60950-1, & en60950-1 case material open with aluminum base-plate weight 50g (1.76oz) mtbf (note 1) mil-hdbk-217f 8.987 x 10 5 hrs input specifications input voltage range 24vdc nominal input 48vdc nominal input 18 ~ 36vdc 36 ~ 75vdc input filter l-c type input surge voltage 24vdc input 48vdc input 50vdc 100ms, max. 100vdc 100ms, max. start up time nominal input and constant resistive load power up remote on/off 25ms 25ms input reflected ripple current 24vdc input 48vdcinput 50map- p 20map-p start-up voltage 24vdc input 48vdc input 17vdc 34vdc shutdown voltage 24vdc input 48vdc input 15vdc 32vdc remote on/off (note 7) (negative logic) (positive logic) on=short or 0v < vr < 1.2v, i in =1ma max. off=open or 3v < vr < 15v, i in =50 a max . on=open or 3v < vr < 15v, i in =50 a max. off=short or 0v < vr < 1.2v, i in =1ma max . input current of remote control pin remote off state input current nominal input nominal input -0.5ma ~ 0.5ma 20ma environmental specifications operating base-plate temperature range (note 8) -40oc ~ +100oc over temperature protection 110oc humidity max, non-condensing 95% storage temperature range -55oc ~ +125oc thermal shock mil-std-810f vibration mil-std-810f emc characteristics emi (note 9) en55022 class a, class b radiated immunity en61000-4-3 10 v/m perf. criteria a fast transient (note 10) en61000-4-4 2kv perf. criteria b surge (note 10) en61000-4-5 1kv perf. criteria b conducted immunity en61000-4-6 10 vr.m.s perf. crite ria a 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 ? 50 watts maximum output power ? single output up to 15a ? compact 2.40 x 2.28 x 0.50 inch package ? high efficiency up to 91% ? input range from 18vdc to 36vdc and 36vdc to 75vdc ? fixed switching frequency(300khz) ? halt tested ? industry standard footprint ? adjustable output voltage ? no minimum load required ? under-voltage lockout ? input to output basic insulation:1600 vdc ? ul60950-1, en60950-1, & iec60950-1 safety approvals ? ce marked ? compliant to rohs ii & reach options positive logic remote on/off, pin length description hec50 single output dc/dc converters provide up to 50 watts of output power in an industry standard half-brick package and footpri nt. these units are specifically designed to meet the power needs of low-voltage sil icone. all models feature a wide input range, adjustable output voltage and a 1 5a current rating. applications wireless network telecom/datacom industry control system distributed power architectures semiconductor equipment
page 2 of 3 www.pduke.com 2014/4/30 hec50 series 50 watts dc-dc converter output current model number input range output voltage min. load full load line regulation load regulation no load (3) input current eff (4) (%) hec50-24s1p8 18 ~ 36 vdc 1.8 vdc 0ma 15 a 4 mv 6 mv 120ma 86 hec50-24s2p5 18 ~ 36 vdc 2.5 vdc 0ma 15 a 5 mv 8 mv 100ma 87 hec50-24s3p3 18 ~ 36 vdc 3.3 vdc 0ma 15 a 7 mv 10 mv 120ma 89 HEC50-24S05 18 ~ 36 vdc 5 vdc 0ma 10 a 10 mv 15 mv 120ma 90 hec50-24s15 18 ~ 36 vdc 15 vdc 0ma 3.3 a 30 mv 45 mv 190ma 89 hec50-48s1p8 36 ~ 75 vdc 1.8 vdc 0ma 15 a 4 mv 6 mv 80ma 87 hec50-48s2p5 36 ~ 75 vdc 2.5 vdc 0ma 15 a 5 mv 8 mv 80ma 88 hec50-48s3p3 36 ~ 75 vdc 3.3 vdc 0ma 15 a 7 mv 10 mv 110ma 90 hec50-48s05 36 ~ 75 vdc 5 vdc 0ma 10 a 10 mv 15 mv 90ma 91 hec50-48s15 36 ~ 75 vdc 15 vdc 0ma 3.3 a 30 mv 45 mv 130ma 90 note 1. mil-hdbk-217f @ta=25 oc, full load. 2. the converter is provided by basic insulation. 3. typical value at nominal input voltage and no lo ad. 4. typical value at nominal input voltage and full load. 5. maximum output deviation is 10% inclusive of rem ote sense. if remote sense is not being used, the + sense should be connected to its corresponding +output and likewise the ?sense should be connected to its corresponding ?output. 6. measured with a 1 f m/c and a 10 f t/c. 7. the negative/ positive logic and pin length are optional (see table). the pin voltage is referenced to ?input 8. heat-sink is optional and p/n: 7g-0021a-f, 7g-00 22a-f, 7g-0023a-f, 7g-0024a-f. 9. the hec50 series standard module meets en55022 c lass a and class b with external components. for more detail information, please contact with p- duke. 10. an external input filter capacitor is required if 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. 11. case grounding when connect the case pin and four screw bolts to s hield plane, the emi could be reduced. caution: this power module is not internally fused. an inpu t line fuse must always be used.
page 3 of 3 www.pduke.com 2014/4/30 hec50 series 50 watts dc-dc converter mechanical drawing pin connection pin define diameter 1 -input 0.040 inch 1.02mm 2 case 0.040 inch 1.02mm 3 ctrl 0.040 inch 1.02mm 4 +input 0.040 inch 1.02mm 5 -output 0.080 inch 2.03mm 6 -sense 0.040 inch 1.02mm 7 trim 0.040 inch 1.02mm 8 +sense 0.040 inch 1.02mm 9 +output 0.080 inch 2.03mm remote on/off and pin options suffix heat-sink and mounting hole tread options suffix negative remote on/off logic, 0.200? pin length (st andard) - without heat-sink - negative remote on/off logic, 0.145? pin length -l 7g-0021a-f -hs positive remote on/off logic, 0.200? pin length -p 7g-0022a-f -hs1 positive remote on/off logic, 0.145? pin length -s 7g-0023a-f -hs2 7g-0024a-f -hs3 through hole (no thread) -th example hec50-48s3p3-phs * the module can?t equip heat-sink with th option. 7 8 trim up 6 7 trim down output can be externally trimmed by using the method shown below. external output trimming r u r d 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)
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