1 www.pduke.com 2014/6/5 ufed20 series chassis-mount dc-dc converter 2:1 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 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 ufed20-12s3p3 9.5 ~ 18 3.3 5000 117 84 13000 ufed20-12s05 9.5 ~ 18 5 4000 78 86 6800 ufed20-12s12 9.5 ~ 18 12 1670 96 85 2200 ufed20-12s15 9.5 ~ 18 15 1330 43 85 755 ufed20-12d12 9.5 ~ 18 12 833 51 85 680 UFED20-12D15 9.5 ~ 18 15 667 58 85 450 ufed20-24s3p3 18 ~ 36 3.3 5000 31 85 13000 ufed20-24s05 18 ~ 36 5 4000 36 88 6800 ufed20-24s12 18 ~ 36 12 1670 58 86 2200 ufed20-24s15 18 ~ 36 15 1330 44 86 755 ufed20-24d12 18 ~ 36 12 833 33 86 680 ufed20-24d15 18 ~ 36 15 667 34 87 450 ufed20-48s3p3 36 ~ 75 3.3 5000 16 86 13000 ufed20-48s05 36 ~ 75 5 4000 21 88 6800 ufed20-48s12 36 ~ 75 12 1670 37 87 2200 ufed20-48s15 36 ~ 75 15 1330 52 86 755 ufed20-48d12 36 ~ 75 12 833 22 87 680 ufed20-48d15 36 ~ 75 15 667 22 87 450 part number structure ufed20 - 48 s 05 - n ec series name input voltage output quantity output voltage remote control option assembly option (vdc) (vdc) s: single 3p3: 05: 12: 15: 3.3 5 12 15 12: 24: 48: 9.5~18 18~36 36~75 d: dual 12: 15: 12 15 : 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 12vin(nom) 24vin(nom) 48vin(nom) 9.5 18 36 12 24 48 18 36 75 vdc input fuse (slow blow) 12vin(nom) 24vin(nom) 48vin(nom) 6 6 4 a in-rush current 15 a input reflected ripple current nominal input and fu ll load 10 map-p start up time constant resistive load power up remote on/off 100 10 ms input surge voltage 100ms, max. 12vin(nom) 24vin(nom) 48vin(nom) 36 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 450 500 550 khz safety meets ul60950-1 en60950-1 iec60950-1 chassis material aluminum weight 89g (3.13oz) mtbf mil-hdbk-217f, full load 2.073 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 +70 +70 +88 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 ufed20-48s05 derating curve ufed20-48s05 efficiency vs. input voltage ufed20-48s05 efficiency vs. outp ut 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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