1 www.pduke.com 2014/6/5 ured20w series dc-dc converter 4:1 ultra wide input range up to 20 watts features applications ? no minimum load required ? 1600vdc input to output isolation ? application of chassis-mount dc/dc converters ? screw terminals for input and output connections ? internal input fuse protection ? internal output led indicator ? meet en55022 class b ? safety meets ul60950-1, en60950-1, iec60950-1, & en 50155 ? ce marked ? compliant to rohs ii & reach ? railway system ? wireless network ? telecom/datacom ? industry control system ? measurement equipment ? semiconductor equipment 1600vdc isolation remote control uvp ocp scp ovp fuse included inrush limit reverse polarity protection low standby power technical specification all specifications are typical at nominal input, ful l load and 25 otherwise noted input range output voltage output current @full load input current @ no load efficiency maximum capacitor load (1) model number vdc vdc ma ma % f URED20-24S3P3W 9 ~ 36 3.3 4500 8 84 7000 ured20-24s05w 9 ~ 36 5 4000 8 87 5000 ured20-24s12w 9 ~ 36 12 1670 8 88 850 ured20-24s15w 9 ~ 36 15 1330 8 87 700 ured20-24d12w 9 ~ 36 12 833 8 87 500 ured20-24d15w 9 ~ 36 15 667 8 88 350 ured20-48s3p3w 18 ~ 75 3.3 4500 6 84 7000 ured20-48s05w 18 ~ 75 5 4000 6 87 5000 ured20-48s12w 18 ~ 75 12 1670 6 88 850 ured20-48s15w 18 ~ 75 15 1330 6 88 700 ured20-48d12w 18 ~ 75 12 833 6 87 500 ured20-48d15w 18 ~ 75 15 667 6 88 350 ured20-110s3p3w 43 ~ 160 3.3 4500 5 84 7000 ured20-110s05w 43 ~ 160 5 4000 5 86 5000 ured20-110s12w 43 ~ 160 12 1670 5 87 850 ured20-110s15w 43 ~ 160 15 1330 5 87 700 ured20-110d12w 43 ~ 160 12 833 5 87 500 ured20-110d15w 43 ~ 160 15 667 5 88 350 part number structure ured20 - 48 s 05 w - n ec series name input voltage (vdc) output quantity output voltage (vdc) input range remote control option assembly option s: single 3p3: 05: 12: 15: 3.3 5 12 15 24: 48: 110: 9~36 18~75 43~160 d: dual 12: 15: 12 15 4:1 : n: positive logic negative logic : ec: dr: ed: no assembly option enclosed mounting type din rail mounting type enclosed & din rail mounting type
input specifications parameter conditions min. typ. max. unit operating input voltage range 24vin(nom) 48vin(nom) 110vin(nom) 9 18 43 24 48 110 36 75 160 vdc input fuse (slow blow) 24vin(nom) 48vin(nom) 110vin(nom) 6 4 2 a in-rush current 15 a input reflected ripple current nominal input and fu ll load 30 map-p start up voltage 24vin(nom) 48vin(nom) 110vin(nom) 9 18 43 vdc shutdown voltage 24vin(nom) 48vin(nom) 110vin(nom) 8 16 40 vdc start up time constant resistive load power up remote on/off 100 30 ms input surge voltage 1 second, max. 24vin(nom) 48vin(nom) 110vin(nom) 50 100 170 vdc positive logic (standard) dc-dc on dc-dc off open or 3 ~ 15vdc short or 0 ~ 1.2vdc referenced to ?vin pin negative logic (option) dc-dc on dc-dc off short or 0 ~ 1.2vdc open or 3 ~ 15vdc remote on/off input current of ctrl pin -0.5 1 ma remote off input current 5 ma output specifications parameter conditions min. typ. max. unit voltage accuracy 3.3vout others -1.5 -1.0 +1.5 +1.0 % line regulation low line to high line at full load single dual -0.2 -0.5 +0.2 +0.5 % load regulation no load to full load 3.3vout others -1.5 -1.0 +1.5 +1.0 % cross regulation asymmetrical load 25%/100% fl dua l -5.0 +5.0 % voltage adjustability single output -10 10 % ripple and noise measured by 20mhz bandwidth 75 mvp-p temperature coefficient -0.02 +0.02 %/ transient response recovery time 25% load step chan ge 250 s over voltage protection zener diode clamp 3.3vout 5vout 12vout 15vout 3.9 6.2 15 20 vdc output indicator green led over load protection % of iout rated 150 % short circuit protection continuous, automatics recovery general specifications parameter conditions min. typ. max. unit isolation voltage 1 minute input to output input (output) to chassis 1600 1000 vdc isolation resistance 500vdc 1 g isolation capacitance 5000 pf switching frequency 297 330 363 khz safety meets ul60950-1 en60950-1 iec60950-1 en50155 chassis material aluminum weight 105g (3.70oz) mtbf mil-hdbk-217f, full load 1.338 x 10 6 hrs
environmental specifications parameter conditions min. typ. max. unit operating ambient temperature without derating with derating -40 +78 +78 +100 storage temperature range -40 +105 thermal shock mil-std-810f shock en61373, mil-std-810f vibration en61373, mil-std-810f relative humidity 5% to 95% rh emc specifications parameter conditions level emi en55022 class b esd en61000-4-2 air 8kv and contact 6kv perf. c riteria a radiated immunity en61000-4-3 20v/m perf. criteria a fast transient en61000-4-4 2kv perf. criteria a surge en61000-4-5 1kv perf. criteria a conducted immunity en61000-4-6 10vr.m.s perf. criteria a note: 1. test by minimum input and constant resistive load. characteristic curve ured20-48s05w derating curve ured20-48s05w efficien cy vs. input voltage ured20-48s05w efficiency vs. o utput load
mechanical drawing chassis mounting type pin connection nc no connection screw terminals ? wire range from 14 to 18 awg pin single dual 1 +vin +vin 2 -vin -vin 3 ctrl ctrl 4 nc nc 5 -vout -vout 6 +vout common 7 nc +vout enclosed mounting type din rail mounting type 1. all dimensions in inch (mm) 2. tolerance : x.xx0.02 (x.x0.5) 4. tolerance : x.xxx0.01 (x.xx0.25) 3. hole screw locked torque : max 5.0kgf cm (0.49n m) 4. terminal screw locked torque : max 2.5kgf cm (0.25n m)
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