i s o l a t e d a n d r e g u l a t e d 2 0 wat t m o d u l a r d c / d c c o n v e r t e r s f e d 2 0 w s e r i e s www.astro dyne.com astrodyne usa: 1-800-823-8082 astrod yne pacific: 886-2-26983458 wide 4 : 1 input range high efficiency to 89% regulated outputs 1600v isolation 6 sided shielding standard pinouts model number output volts output amps input range input amps (nl/ fl) ripple & noise efficiency capacitive load single output fed20-24s3p3w 3.3 vdc 5.5 9-36 vdc 50 / 934 ma 60mv p-p 85% 18000uf max. fed20-48s3p3w 5.5 18-75 vdc 35 / 467 ma 60mv p-p 85% 18000uf max. fed20-24s05w 5 vdc 4 9-36 vdc 65 / 922 ma 75mv p-p 88% 9600uf max. fed20-48s05w 4 18-75 vdc 35 / 496 ma 75mv p-p 88% 9600uf max. fed20-24s12w 12 vdc 1.67 9-36 vdc 22 / 1018 ma 75mv p-p 86% 1650uf max. fed20-48s12w 1.67 18-75 vdc 15 / 503 ma 75mv p-p 87% 1650uf max. fed20-24s15w 15 vdc 1.33 9-36 vdc 22 / 1014 ma 75mv p-p 86% 1050uf max. fed20-48s15w 1.33 18-75 vdc 15 / 501 ma 75mv p-p 87% 1050uf max. d ual output fed20-24d05w 5 vdc 2 9-36 vdc 55 / 992 ma 100mv p-p 88% 4800uf max. fed20-48d05w 2 18-75 vdc 35 / 490 ma 100mv p-p 89% 4800uf max. FED20-24D12W 12 vdc 0.833 9-36 vdc 30 / 1004 ma 100mv p-p 87% 825uf max. fed20-48d12w 0.833 18-75 vdc 17 / 496 ma 100mv p-p 88% 825uf max. fed20-24d15w 15 vdc 0.667 9-36 vdc 30 / 1005 ma 100mv p-p 87% 525uf max. fed20-48d15w 0.667 18-75 vdc 17 / 496 ma 100mv p-p 88% 525uf max unit measures 1w x 2l x 0.4h
i s o l a t e d a n d r e g u l a t e d 2 0 wat t m o d u l a r d c / d c c o n v e r t e r s f e d 2 0 w s e r i e s www.astro dyne.com astrodyne usa: 1-800-823-8082 astrod yne pacific: 886-2-26983458 input specif ications i/p voltage range (24/48v nom.) 9-36 / 18-75vdc voltage surge (100ms max) 24 v: 50 vdc; 48 v: 100 vdc under voltage lockout 24 vdc i/p dc/dc on: 9 vdc off: 7.5 vdc 48 vdc i/p dc/dc on: 15 vdc off: 18 vdc input filter pi type input voltage variation (dv/dt) 5v/rms, max. to ets300 132 part 4.4 input reflected ripple current 20ma p-p start up time (power up or rc) 20ms, typ. on/off control positive logic: (ref to - input) is standard. on = open or 3v < vr < 12v off = short or 0v < vr < 1.2v negative logic: (optional) on = short or 0v < vr < 1.2v off = open or 3v < vr < 12v efficiency see selection chart output specif ications voltage and current see selection chart load regulation nl-fl singles: 0.5% duals: 1% cross regulation (dual 25%-fl) 5% voltage adjustability (single o/p) 10% line regulation (single/dual) 0.2% / 0.5% temperature coefficient 0.02%/c, max. ripple/noise see selection chart voltage accuracy 1% transient response recovery 25% load step change 250 microseconds short circuit protection continuous hiccup, self-recovering overvoltage protection, zener diode clamp: 3.3v output 3.9volts 5v output 6.2volts 12v output 15volts 15v output 18volts overload protection 150% of fl rating, typ. general speci f ications input-out isolation 1600vdc in/out capacitance 1500 pf, max. isolation resistance 10000 m ohms switching frequency 400khz, typ environmental speci f ications oper. temperature -40 to +105c (see derate curve) relative humidity 5-95% storage temperature -55 to +125c * maximum case temp 105c * thermal impedance convection: 12c/watt convection w. heatsink: 10c/watt thermal shock mil-std-810d vibration 10-55hz 10g 30 min. on x, y, z axes mtbf bellcore tr-nwt-000322 case 1: 50% stress, temp. @ 40c 1.691 mhrs mil-hdbk-217f ta=25c fl, ground benign, controlled environment 562.9 khrs emi en55022a esd en61000-4-2 criteria b radiated immunity en61000-4-3 criteria a eft en61000-4-4b criteria b surge en61000-4-5b criteria b conducted immunity en61000-4-6a criteria a physical speci f ications case material nickel-coated copper w. fr4 base construction encapsulated w, ul94-v0 epoxy dimensions 2l x 1w x 0.4h (50.8 x 25.4 x 10.2mm) weight 0.95oz (27g) * these are stress ratings. exposure of the devices to any of these conditions may adversely affect long term reliability. proper operation under conditions other than the standard operating conditions is neither warranteed nor implied. all specifications are typical at nominal input, full load, and 25degc unless otherwise noted astrodyne products are not authorized or warranteed for use as critical components in life support systems, equipment used in hazardous environments, nuclear controls systems, or other mission-critical applications.
i s o l a t e d a n d r e g u l a t e d 2 0 wat t m o d u l a r d c / d c c o n v e r t e r s f e d 2 0 w s e r i e s www.astro dyne.com astrodyne usa: 1-800-823-8082 astrod yne pacific: 886-2-26983458 output d erating curves mechanical dimensions pin # single dual 1 + input + input 2 - input - input 3 + output + output 4 trim common 5 - output - output 6 ctrl ctrl
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