output specifications output power 20 watts max voltage accuracy full load and nominal vin single & dual triple 3.3v/5v auxiliary 2% 2% 5% voltage adjustability 10% minimum load (note 1) 10% of fl line regulation ll to hl at full load single (w) dual (w) triple 3.3v/5v auxiliary 0.2% 0.5% 1% 5% load regulation 25% to 100% fl single dual triple 3.3v/5v auxiliary 0.5% 3% 2% 5% cross regulation (note 2) dual triple 3.3v/5v auxiliary 5% 2% 5% ripple and noise 20mhz bandwidth single dual triple 3.3v/5v auxiliary 75mvp-p 100mvp-p 50mvp-p 1% of vout temperature coefficient 0.02% / oc, max transient response recovery time 25% load step change 500us over voltage protection zener diode clamp 3.3v output 5v output 12v output 15v output 3.9v 6.2v 15v 18v short circuit protection hiccup, automatics recovery input specifications input voltage range fdc20 fdc20-w 12v nominal input 24v nominal input 48v nominal input 24v nominal input 48v nominal input 9 ? 18vdc 18 ? 36vdc 36 ? 75vdc 9 ? 36vdc 18 ? 75vdc input filter pi type input surge voltage 100ms max 12v input 24v input 48v input 36vdc 50vdc 100vdc input reflected ripple (note 3) nominal vin and full load 25map-p start up time nominal vin and constant resistor load 20ms typ remote on/off (note 4) remote off input current dc-dc on dc-dc off nominal input open or 3.5v < vr < 12v short or 0v < vr < 1.2v 20ma general specifications efficiency see table isolation voltage 1600vdc, min isolation resistance 10 9 ohms, min isolation capacitance 300pf, max switching frequency 300khz, typ a pprovals and standard iec60950, ul1950, en60950 case material nickel-coated coppe r base material non-conductive black plastic potting material epoxy (ul94-v0) dimensions 2.00 x 1.60 x 0.40 inch (50.8 x 40.6 x 10.2 mm) weight 48g (1.69oz) mtbf (note 5) 1.928 x 10 6 hrs environmental specifications operating temperature range -40oc ~ +85oc (with derating) maximum case temperature +100oc storage temperature range -55oc ~ +105oc thermal impedance (note 6) nature convection nature convection with heat-sink 10oc/watt 8.24oc/watt thermal shock mil-std-810d vibration 10~55hz, 2g, 30minutes along x,y and z relative humidity 5% to 95% rh emc characteristics conducted emissions en55022 level a radiated emissions en55022 level a esd en61000-4-2 perf. criteria2 radiated immunity en61000-4-3 perf. criteria2 fast transient en61000-4-4 perf. criteria2 surge en61000-4-5 perf. criteria2 conducted immunity en61000-4-6 perf. criteria2 the fdc20 and fdc20-w series offer 20 watts of output power from a 2 x 1.6 x 0.4 inch package. the fdc20 series with 2:1 wide input voltage of 9-18, 18-36 and 36-75vdc. the fdc20-w series with 4:1 wide input voltage of 9-36 and 18-75vdc. the fdc20 and fdc20-w features 1600vdc of isolation, short-circuit and over-voltage protection, as well as six sided shielding. a safety approval to en60950 and ul1950. all models are particularly suited to telecommunications, industrial, mobile telecom and test equipment applications. technical specification all specifications are typical at nominal input, full load and 25oc otherwise noted ul e193009 tuv r2054535 cb jptuv-001393 ce mark ? 20 watts output power ? 2:1 and 4:1 wide input voltage range ? international safety standard approval ? six-sided continuous shield ? high efficiency up to 86% ? standard 2? x 1.6? x 0.4? package ? fixed switching frequency
(10) fdc20-24d3305 fdc20-48d3305, output 3.3v(3a)/5v(2a), detail spec. contact factory. model number input range output voltage output current input current (7) eff (8) (%) capacitor (9) load max fdc20-12s33 9 ? 18 vdc 3.3 vdc 4000ma 1507ma 77 13000uf fdc20-12s05 9 ? 18 vdc 5 vdc 4000ma 2193ma 80 6800uf fdc20-12s12 9 ? 18 vdc 12 vdc 1670ma 2136ma 82 2200uf fdc20-12s15 9 ? 18 vdc 15 vdc 1330ma 2136ma 82 755uf fdc20-12d05 9 ? 18 vdc 5 vdc 2000ma 2193ma 80 3400uf fdc20-12d12 9 ? 18 vdc 12 vdc 833ma 2136ma 82 680uf fdc20-12d15 9 ? 18 vdc 15 vdc 666ma 2136ma 82 450uf FDC20-12T3312 9 ? 18 vdc 3.3 / 12 vdc 3000 / 300ma 1926ma 78 4700 / 220uf fdc20-12t3315 9 ? 18 vdc 3.3 / 15 vdc 3000 / 250ma 1959ma 78 4700 / 220uf fdc20-12t0512 9 ? 18 vdc 5 / 12 vdc 2000 / 300ma 1885ma 80 4700 / 220uf fdc20-12t0515 9 ? 18 vdc 5 / 15 vdc 2000 / 250ma 1919ma 80 4700 / 220uf fdc20-24s33 (w) 18 ? 36 (9 ? 36) vdc 3.3 vdc 4000ma 743 (764ma) 78 (76) 13000uf fdc20-24s05 (w) 18 ? 36 (9 ? 36) vdc 5 vdc 4000ma 1082 ( 1111ma) 81 (79) 6800uf fdc20-24s12 (w) 18 ? 36 (9 ? 36) vdc 12 vdc 1670ma 1054 (1082ma) 83 (81) 2200uf fdc20-24s15 (w) 18 ? 36 (9 ? 36) vdc 15 vdc 1330ma 1054 (1082ma) 83 (81) 755uf fdc20-24d05 (w) 18 ? 36 (9 ? 36) vdc 5 vdc 2000ma 1082 ( 1111ma) 81 (79) 3400uf fdc20-24d12 (w) 18 ? 36 (9 ? 36) vdc 12 vdc 833ma 1054 (1082ma) 83 (81) 680uf fdc20-24d15 (w) 18 ? 36 (9 ? 36) vdc 15 vdc 666ma 1041 (1068ma) 84 (82) 450uf fdc20-24t3312 18 ? 36 vdc 3.3 / 12 vdc 3000 / 300ma 950ma 79 4700 / 220uf fdc20-24t3315 18 ? 36 vdc 3.3 / 15 vdc 3000 / 250ma 967ma 79 4700 / 220uf fdc20-24t0512 18 ? 36 vdc 5 / 12 vdc 2000 / 300ma 931ma 81 4700 / 220uf fdc20-24t0515 18 ? 36 vdc 5 / 15 vdc 2000 / 250ma 947ma 81 4700 / 220uf fdc20-48s33 (w) 36 ? 75 (18 ? 75) vdc 3.3 vdc 4000ma 367 (377ma) 79 (77) 13000uf fdc20-48s05 (w) 36 ? 75 (18 ? 75) vdc 5 vdc 4000ma 543 (548ma) 82 (80) 6800uf fdc20-48s12 (w) 36 ? 75 (18 ? 75) vdc 12 vdc 1670ma 527 (541ma) 83 (81) 2200uf fdc20-48s15 (w) 36 ? 75 (18 ? 75) vdc 15 vdc 1330ma 527 (541ma) 83 (81) 755uf fdc20-48d05 (w) 36 ? 75 (18 ? 75) vdc 5 vdc 2000ma 541 (556ma) 81 (79) 3400uf fdc20-48d12 (w) 36 ? 75 (18 ? 75) vdc 12 vdc 833ma 514 (527ma) 85 (83) 680uf fdc20-48d15 (w) 36 ? 75 (18 ? 75) vdc 15 vdc 666ma 508 (521ma) 86 (84) 450uf fdc20-48t3312 36 ? 75 vdc 3.3 / 12 vdc 3000 / 300ma 468ma 80 4700 / 220uf fdc20-48t3315 36 ? 75 vdc 3.3 / 15 vdc 3000 / 250ma 477ma 80 4700 / 220uf fdc20-48t0512 36 ? 75 vdc 5 / 12 vdc 2000 / 300ma 459ma 82 4700 / 220uf fdc20-48t0515 36 ? 75 vdc 5 / 15 vdc 2000 / 250ma 467ma 82 4700 / 220uf note 1. the fdc20 series required a minimum 10% loading on the output to maintain specified regulation. operation under no-load cond ition will not damage these devices, however they may not meet all listed specification. 2. cross regulation: dual output?asymmetrical load 25% to 100% full load triple output ? 3.3v / 5v 100% load and one of auxiliary 100% load, other auxiliary load change from 25% to 100% load 3. simulated source impedance of 12uh. 12uh inductor in series with +vin. 4. the on/off control pin voltage is referenced to negative input 5. bellcore tr-nwt-000332. case i: 50% stress, temperature at 40oc. (ground fixed and controlled environment) 6. heat sink is optional and p/n: 7g-0011a. operation temperature range please see curve. 7. maximum value at nominal input voltage and full load. 8. typical value at nominal input voltage and full load. 9. test by minimum vin and constant resistor load. 10. the fdc20-24d3305 and fdc20-48d3305 are safety approval pending. 50 60 70 80 90 100 -40 -25 0 -10 25 50 75 100 0 ambient temperature (oc) output power (%) fdc20-48s05 derating curve nature convection 50 60 70 80 90 100 -40 -25 0 -10 25 50 75 100 0 ambient temperature (oc) output power (%) fdc20-48s05 derating curve with heat-sink (note 6) nature convection
45 55 65 75 36 40 74 75 input voltage (v) efficiency (%) fdc20-48s05 efficiency vs input voltage 84 83 82 81 80 79 78 77 76 60 50 70 2 3 3.5 4 0.5 1 60 65 output load (a) efficiency (%) fdc20-48s05 efficiency vs output load 84 83 82 81 80 78 76 74 70 1.5 2.5 1. all dimensions in inches (mm) 2. pin pitch tolerance 0.014(0.35) 1.60 (40.6 ) 0.20 (5.1) 0.70 (17.8) 0.60 (15.2) 2.00 (50.8) 1.80 (45.7) 0.40 (10.2) 0.40 (10.2) 0.50 (12.7) 0.70 (17.8) 0.40 (10.2) 0.22 (5.6) 1 2 4 5 8 7 6 b o tt om view pin connection pin single 1 + input 2 - input 4 ctrl 5 no pin 6 + output 7 - output 8 trim dual + input - input ctrl + output common - output trim triple + input - input ctrl + auxiliary +3.3v / +5v common -auxiliary 7 ( 7 ) 8 ( 8 ) trim up 8 ( 8 ) 6 ( 5 ) trim down output can be externally trimmed by using the method shown below. ( ) for dual output trim external output trimming r u r d
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