2 year warranty smt40c series 12 vin single output all specifications are typical at nominal input vin = 12 v, full load at 25 c unless otherwise stated specifications file name: smt40c.pdf rev (04): 16 dec 2005 dc-dc converters c class non-isolated 1 ? 40 a current rating ? input voltage range: 10.2 vdc - 13.8 vdc ? output voltage range: 0.9 vdc - 5.0 vdc ? industry leading value ? cost optimized design ? excellent transient response ? output voltage adjustability ? pathway for future upgrades ? supports silicon voltage migration ? resulting in reduced design-in and qualification time ? designed in reliability: mtbf of >4 million hours per telcordia sr-332 ? current share ? available rohs compliant the smt40c series is a new high density open frame non-isolated converter for space- sensitive applications. each model has a wide input range o f 10.2 vdc to 13.8 vdc and offers a wide 0.9 vdc to 5.0 vdc output voltage range with a 40 a load. an external resistor adjusts the output voltage from its pre-set value of 0.9 v to any value up to 5 v. typical efficiencies are 92% at full load conditions. the smt40c series offers remote on/off and overcurrent protection as standard. with full international safety approval including en60950 and ul/cul60950 , the smt40c reduces compliance costs and time to market. new product output specifications voltage adjustability (see note 5) 0.9-5.0 vdc output setpoint accuracy 1.0% trim resistors 3.0% line regulation low line to high line 0.2% max. load regulation full load to min. load 1.5% max. min/max load 0 a/40 a overshoot at turn-on 1.0% max. undershoot at turn-off 100 mv max. ripple and noise (see note 1) 50 mv pk-pk 5 hz to 20 mhz 15 mv rms transient response 75 mv max. deviation (see note 2) 50 s recovery to within regulation band current share full load 10% input specifications input voltage range 10.2-13.8 vdc input current minimum load 290 ma remote off 30 ma input current (max.) 22 a max @ lo max and vin = 10.2 v input reflected ripple (see note 4) 150 ma pk-pk remote on/off logic compatibility positive logic on >2.4 vdc off <0.8 vdc start-up time power up <30 ms (see note 8) remote on/off <30 ms turn on threshold 9.0 vdc typ. turn off threshold 7.6 vdc typ. international safety standard approvals ul/cul can/csa 22.2 no. 60950 ul 60950 file no. e139421 tv product service (en60950:2000) certificate no. b 04 08 19870 228 cb report and certificate to iec60950-us/6415c/ul general specifications efficiency 92% typ. switching frequency fixed 300 khz typ. approvals and (see note 7) tv product services standards iec60950, ul/cul60950 material flammability ul94v-0 weight 28.3 g (1.0 oz) coplanarity 150 m mtbf telcordia sr-332, 4,585,991 hours method ii @ 40 oc environmental specifications thermal performance operating ambient, 0 oc to +80 oc (see note 9) temperature non-operating -40 oc to +125 oc protection short-circuit foldback, non-latching over-temperature hiccup, non-latching recommended system capacitance input capacitance (see note 10) 2 x 270 f/20 m ? esr max. output capacitance (see note 10) 3 x 680 f/10 m ? esr max.
for the most current data and application support visit www.artesyn.com/powergroup/products.htm smt40c series 12 vin single output dc-dc converters c class non-isolated 2 new product file name: smt40c.pdf rev (04): 16 dec 2005 output input ovp output output output efficiency regulation model power voltage voltage (11) current current line load number (13,14) (max.) (min.) (max.) 200 w 10.2-13.8 vdc n/a 0.9-5.0 vdc 0 a 40 a 92% 0.2% 1.5% SMT40C-12SADJJ n n o o t t e e s s 1 measured as per recommended set-up. 2 x cin = 270 f (20 m ? esr max, 3 x cout = 680 f (10 m ? esr max). 2 di/dt = 10 a/s, vin = nom, tc = 25 c, load change = 0.50 lo max. to 0.75 lo max. and 0.75 lo max. to 0.50 lo max. 3 external input fusing is recommended. 4 measured with external filter. see application note 170 for details. 5 uses external resistor from trim pin to output ground. see application note 170 for details. 6 signal line assumed <3 m in length. 7 this product is only for inclusion by professional installers within other equipment and must not be operated as a stand alone product. 8 power-up is the time from application of dc input to power good enabled. remote on/off is from on/off asserted high to power good enabled. 9 see application note 170 for operation above 50 oc. 10 see application note 170 for ripple current requirements. 11 these models have a wide trim output. the unit has an output of 0.9 vdc to 5 vdc. an external resistor adjusts the output voltage. 12 for redundant current sharing applications that use oring diodes to separate the outputs, please add the suffix -s to the part number, e.g. smt40c-12sadj-sj. please refer to application note 170 for further details. 13 tse rohs 5/6 (non pb-free) compliant versions may be available on special request, please contact your local sales representative for details. 14 notice: some models do not support all options. please contact your local artesyn representative or use the on-line model number search tool at http://www.artesyn.com/powergroup/products.htm to find a suitable alternative. smt40c-12sadj-sj part number system with options rated output current 40 = 40amps number of outputs sadj = single adjustable output product family smt = surface mount performance c = cost optimized input voltage 12 = 10.2 vdc to 13.8 vdc the ultra-wide output voltage trim range offers major advantages to users who select the smt40c series. it is no longer necessary to purchase a variety of modules in order to cover different output voltages. the output voltage can be trimmed in a range of 0.9 vdc to 5.0 vdc. when the smt40c series converter leaves the factory the output has been adjusted to the default voltage of 0.9 v. o o u u t t p p u u t t v v o o l l t t a a g g e e a a d d j j u u s s t t m m e e n n t t o o f f t t h h e e s s m m t t 4 4 0 0 c c s s e e r r i i e e s s current sharing (12) no suffix = non-isolated suffix -s = isolated packaging options (13) j = pb-free (rohs 6/6 compliant)
for the most current data and application support visit www.artesyn.com/powergroup/products.htm smt40c series 12 vin single output dc-dc converters c class non-isolated 3 new product datasheet ? artesyn technologies ? 2005 the information and specifications contained in this datasheet are believed to be correct at time of publication. however, arte syn technologies accepts no responsibility for consequences arising from printing errors or inaccuracies. the information and specifications contained or described herein are subject to change in any manner at any time without notice. no rights under any patent accompany the sale of any such product(s) or information contained herein. please consult our website for the following items: application note longform datasheet www.artesyn.com file name: smt40c.pdf rev (04): 16 dec 2005 all dimensions in inches (mm) all tolerance 0.010in ( 0.25mm) unless otherwise stated 2.280 (57.91) 1.450 (36.83) pcb ref 0.062 (1.57) 0.43 (10.8) 0.105 (2.67) 0.011 (0.27) typ 0.140 (3.56) 15 x 0.090 (2.29) 2.100 (53.34) 0.045 (1.13) 0.485 (12.33) 1.140 (28.96) pin 1 pin 16 pin 17 pin 18 1.345 (3417) 2 x pin connections pin no. function pin no. function 1 current share 10 vin 2 trim 11 vin 3 gnd 12 vout 4 gnd 13 vout 5 gnd 14 gnd 6 sense- 15 vout 7 sense+ 16 gnd 8 remote on/off 17 mechanical support 9 power good 18 mechanical support
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