1 www.pduke.com 2014/6/5 ufed20w series chassis-mount 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 ? ce marked ? compliant to rohs ii & reach ? 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 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 ufed20-24s3p3w 9.5 ~ 36 3.3 5500 51 84 18000 ufed20-24s05w 9.5 ~ 36 5 4000 66 87 9600 ufed20-24s12w 9.5 ~ 36 12 1670 25 85 1650 ufed20-24s15w 9.5 ~ 36 15 1330 26 85 1050 ufed20-24d05w 9.5 ~ 36 5 2000 58 87 4800 ufed20-24d12w 9.5 ~ 36 12 833 33 86 825 UFED20-24D15W 9.5 ~ 36 15 667 34 86 525 ufed20-48s3p3w 18 ~ 75 3.3 5500 36 84 18000 ufed20-48s05w 18 ~ 75 5 4000 36 87 9600 ufed20-48s12w 18 ~ 75 12 1670 17 86 1650 ufed20-48s15w 18 ~ 75 15 1330 17 86 1050 ufed20-48d05w 18 ~ 75 5 2000 36 88 4800 ufed20-48d12w 18 ~ 75 12 833 19 87 825 ufed20-48d15w 18 ~ 75 15 667 19 87 525 part number structure ufed20 - 48 s 05 w - n ec series name input voltage output quantity output voltage input range remote control option assembly option (vdc) (vdc) s: single 3p3: 05: 12: 15: 3.3 5 12 15 24: 48: 9.5~36 18~75 d: dual 05: 12: 15: 5 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
2 www.pduke.com 2014/6/5 input specifications parameter conditions min. typ. max. unit operating input voltage range 24vin(nom) 48vin(nom) 9.5 18 24 48 36 75 vdc input fuse (slow blow) 24vin(nom) 48vin(nom) 6 4 a in-rush current 15 a input reflected ripple current nominal input and fu ll load 10 map-p start up voltage 24vin(nom) 48vin(nom) 9.5 18 vdc shutdown voltage 24vin(nom) 48vin(nom) 7.5 15 vdc start up time constant resistive load power up remote on/off 100 20 ms input surge voltage 100ms, max. 24vin(nom) 48vin(nom) 50 100 vdc positive logic (standard) dc-dc on dc-dc off open or 3 ~ 12vdc short or 0 ~ 1.2vdc referred to ?vin pin negative logic (option) dc-dc on dc-dc off short or 0 ~ 1.2vdc open or 3 ~ 12vdc remote on/off input current of ctrl pin -0.5 0.5 ma remote off input current 2.5 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 single dual 3.3vout, 5vout, 12vout, 15vout all 60 75 100 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 18 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 1600 vdc isolation resistance 500vdc 1 g isolation capacitance 4000 pf switching frequency 360 400 440 khz safety meets ul60950-1 en60950-1 iec60950-1 chassis material aluminum weight 89g (3.13oz) mtbf mil-hdbk-217f, full load 1.966 x 10 6 hrs
3 www.pduke.com 2014/6/5 environmental specifications parameter conditions min. typ. max. unit operating ambient temperature without derating with derating -40 +75 +75 +91 storage temperature range -40 +105 thermal shock mil-std-810f vibration 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 10v/m perf. criteria a fast transient en61000-4-4 2kv perf. criteria a surge en61000-4-5 0.5kv 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 ufed20-48s05w derating curve ufed20-48s05w efficien cy vs. input voltage ufed20-48s05w efficiency vs. o utput load
4 www.pduke.com 2014/6/5 * nc no connection * screw terminals ? wire range from 14 to 18 awg mechanical drawing chassis mounting type pin connection 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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