page 1 of 4 dc/dc converters thn 20wi series, 20 watt features smallest encapsulated 20w converter! ultra compact size: 1.0 x 1.0 x 0.4 shielded metal case with isolated baseplate ultrawide 4:1 input voltage ranges very high effciency up to 90% output voltage adjustable remote on/off control operating temp. range C40c to +75c and up to 85 c with heat-sink i/o isolation voltage 1500 vdc input flter meets en 55022 class a without external components no minimum load required lead free design, rohs compliant 3-year product warranty the thn-20wi series is the latest generation of high performance dc-dc converter modules with highest power density. the product achieves 20w output power while it comes in a metal case with dimensions of only 1.0x 1.0x 0.4. all models have an ultra wide 4:1 input voltage range and precisely regulated output voltages, even under no load conditions. highest effciency of up to 90% makes this product very reliable and applicable in temperature ranges of up to 75c or 85c with optional mounted heat sink. together with low input current characteristics at minimal load and remote on/off control these converters are the ideal solution for battery-operated systems. typical applications are in mobile equipments, instrumentation, distributed power architectures in communication and industrial electronics and everywhere where space on the pcb is critical. order code input voltage range output voltage output current max. effciency typ. thn 20-2410wi 3.3 vdc 4500 ma 86 % thn 20-2411wi 5.0 vdc 4000 ma 89 % thn 20-2412wi 9 C 36 vdc 12 vdc 1670 ma 89 % thn 20-2413wi (24 vdc nominal) 15 vdc 1330 ma 89 % thn 20-2422wi 12 vdc 833 ma 89 % thn 20-2423wi 15 vdc 667 ma 89 % thn 20-4810wi 3.3 vdc 4500 ma 86 % thn 20-4811wi 5.0 vdc 4000 ma 89 % thn 20-4812wi 18 C 75 vdc 12 vdc 1670 ma 89 % thn 20-4813wi (48 vdc nominal) 15 vdc 1330 ma 90 % thn 20-4822wi 12 vdc 833 ma 89 % thn 20-4823wi 15 vdc 667 ma 89 % models cb scheme ul 60 95 0- 1u l 60 95 0- 1 http://www.tracopower.com pending
page 2 of 4 dc/dc converters thn 20wi series 20 watt input specifications input current at no load (at nominal input voltage) 24 v models : 6 ma typ. 48 v models : 4 ma typ. input current at full load (at nominal input voltage) 24 v; 3.3 vdc models : 760 ma typ. 24 v; other models: 980 ma typ.. 48 v; 3.3 vdc models : 380 ma typ. 48 v; other models : 490 ma typ. start-up voltage / under voltage shut down 24 vin models: 9 vdc / 8 vdc 48 vin models: 18 vdc / 16 vdc surge voltage (1 sec. max.) 24 vin models: 50 v max. 48 vin models: 100 v max. reflected input ripple current 30 map-p typ. conducted noise (input) en 55022 class a, fcc part 15, level a without external components esd (electrostatic discharge) en 61000-4-2, air 8 kv, contact 6 kv, perf. criteria a radiated immunity en 61000-4-3, 10 v/m, perf. criteria a fast transient / surge en 61000-4-4, 2 kv, perf. criteria a en 61000-4-5, 2 kv perf. criteria a with external input capacitor e.g. nippon chemi-con ky 200 f, 100 v, esr 48 mohm conducted immunity en 61000-4-6, 10 vrms, perf. criteria a output specifications voltage set accuracy 1 % output voltage adj. range 10 % for single output models only. trim up via resistor over trim and -vout trim down via resistor over trim and +vout (resistor values tba, 0 ohm=max. adjustment) regulation C input variation (vmin C vmax) single output models: 0.2 % max. dual output models: 0.5 % max. C load variation (0 C 100 %) single output models: 0.2 % max. dual output models balanced load: 1.0 % max. dual output models unbalanced load (25% /10 0 % ) : 5.0 % max. minimum load not required ripple and noise (20 mhz bandwidth) 3.3 & 5.0 vdc models: 75 mvp-p typ. other models: 100 mvp-p typ. measured with a 1 f m/c and a 10f t/c temperature coefficient 0.02 %/k output current limitation at 150 % of iout max., foldback short circuit protection indefinite, automatic recovery over voltage protection 3.3 vdc models: 3.7 C 5.4 vout 5 vdc models: 5.6 C 7.0 vout 12 vdc models: 13.5 C 19.6 vout 15 vdc models: 16.8 C 20.5 vout start up time (nominal vin and constant resistive load) 30 ms typ. (for power on and remote on) transient response setting time 250 s typ. (25% load step change) max. capacitive load 3.3 vdc models: 10000 f 5 vdc models: 5000 f 12 vdc models: 850 f 15 vdc models: 700 f 12 vdc models: 500 f (each output) 15 vdc models: 350 f (each output) http://www.tracopower.com
page 3 of 4 dc/dc converters thn 20wi series 20 watt general specifications temperature ranges C operating without heat sink C40c to +75c (with derating) C operating with heat sink C40c to +85c (with derating) C case temperature +105c max. C storage C55c to +125c power derating C operating without heat sink 2.0 %/k above 60c C operating with heat sink 2.0 %/k above 70c thermal impedance C natural convection 17.6c/w C natural convection with heat sink 14.8c/w humi dity (non condensing) 5 % to 95 % rel h max. reliability, calculated mtbf (mil-hdbk-217f, at +25c, ground benign) >550000 h isolation voltage (60sec.) C input/output 1500 vdc isolation capacitance C input/output 1000 pf typ. isolation resistance C input/output (500 vdc) >1000 mohm remote on/off C on: 3.0 ... 15 vdc or open circuit C off: 0 ... 1.2 vdc or short circuit pin 6 and pin 2 C off idle current: 1.5 m a switching frequency (fixed) 330 khz typ. (pulse width modulation pwm) vibration and thermal shock en 61373, mil-std-810e safety standards ul/cul 60950-1, iec/en 60950-1 safety approvals C ul/cul www.ul.com -> certifications -> file e188913 physical specifications casing material nickel coated copper baseplate non conductive fr4 potting material silicone (ul 94v-0 rated) weight 15 g (0.53 oz) soldering temperature max. 265c / 10 sec. environmental compliance C reach www.tracopower.com/products/THN20WI-reach.pdf C rohs rohs directive 2011/65/eu application note: www.tracopower.com/products/THN20WI-application.pdf http://www.tracopower.com all specifcations valid at nominal input voltage, full load and +25c after warm-up time unless otherwise stated.
page 4 of 4 sp ec i?cati ons can be changed wi thout noti ce! make sure you are using the latest documentation, downloadable at www.tracopower. com www .tracopower. com dc/dc converters thn 20wi series 20 watt outline dimensions dimensions in [mm], () = inch pin diameter ? 1.0 (0.04) pin pitch tolerances: 0.25 (0.01) tolerances: 0.5 (0.02) rev. october 11. 2013 pin single dual 1 +vin (vcc) +vin (vcc) 2 Cvin (gnd) Cvin (gnd) 3 + vout + vout 4 trim common 5 Cvout Cvout 6 remote on/off pin-out note: the product label on converter has to be re - moved before mounting the heat-sink. for volume orders converters will be sup - plied with heat-sink already mounted. please contact factory for quotation. separate heat-sinks are only available for prototypes and small quantity orders. order code: thn-hs1 (cont.: heat-sink, thermal pad, 2 clamps) material: aluminum finish: anodic treatment (black) weight: 8 g (0.28 oz) without converter thermal impedance after assembling: 14.8 k/w heat-sink (option) 31.1 (1.22) max. 14.5 (0.57) 16.5 (0.65) max. conver ter heat-sink thermal pad clamp 25.4 25.4 bottom view 20.32 7.62 5.6 (0.3) (0.22) (0.8) (1.0) (1.0) 5.08 (0.2) 9.9 (0.39) 1 2 3 6 5 2.5 (0.1) 4 10.16 (0.4) 2.5 (0.1) 10.16 (0.4)
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