dc-dc converters 81 a dc-dc non-isolated converters 1 nxi150 series single output new product filename: nxi150.pdf rev (03): 20 dec 2005 ? meets vrm9.1 specification ? microprocessor voltage identification input - 5 bit vid input - 1.10 vdc to 1.85 vdc in 25 mv steps ? up to 50 a/? load transient ? democratic current sharing, no need for master/slave configuration ? remote sense for improved load regulation ? vertical plug-in to standard motherboard connector with or without retention latch ? available rohs compliant the nxi150 non-isolated dc-dc converter is designed to meet the exceptionally fast transient response requirements of todays microprocessors and fast switching logic in a compact size at a very affordable price. advanced circuit techniques, component selection and placement optimization, state-of-the-art thermal packaging, and surface mount t echnologies pr ovide a high power density , highly r eliable, and very precise voltage r egulation system for advanced micr opr ocessors. multi-phase power conversion techniques allow the nxi conver ters to lead the industr y with r egard to conversion ef ficiency without adding unneccesar y complexity . on-board active current sharing cir cuit guarantees the cur r ent sharing specification is met during static and dynamic load conditions. 2 year warranty all specifications ar e typical at nominal input, full load at 25 c unless otherwise stated specifica tions output specifications voltage adjustability 1.10-1.85 vdc output setpoint accuracy vout ?.8% ripple and noise 20 mhz bandwidth 15 mv pk-pk (see notes 1 and 2) transient response see note 3 50 mv peak dev . settling time 25 ? shor t-circuit protection continuous current limit, foldback automatic recovery input specifications input voltage range 12 vin nominal 11.0-12.6 vdc input current operation 16.2 a max. no load 250 ma remote off 45 ma max. uvlo turn on voltage 10.45 v typ. uvlo turn off voltage 8.55 v typ. start-up time nominal line 10 ms max. outen logic compatibility ref. to -input on open circuit >1.8 vdc off <0.8 vdc general characteristics efficiency 1.5 v output @ 65 a 85% switching frequency fixed (see note 4) 1 mhz standards 94v-0 flammability rating weight 70 g (2.46 oz) mtbf telcordia sr-332 1,800,000 hours mating connector (see note 5) environment al specifica tions maximum temperature operating 5 o/10 min. shock temperature shock operating 10 o/hour non-operating 20 o/hour humidity operating 85% rh (non-condensing) storage 95% rh altitude operating 10,000 feet max. storage 50,000 feet max. shock operational and 50 g 11 ms, non-operational half sine wave vibration operational and 0.02 g 2 /hz max. (see note 6) non-operational electrostatic discharge operating esd 15 kv iec61000-4-2 (see note 7) non-operating esd 25 kv thermal performance operating ambient 0 o to +60 ? (see note 8) temperature non-operating -40 o to +100 ?
nxi150 series single output filename: nxi150.pdf rev (03): 20 dec 2005 for the most current data and application support visit www.artesyn.com/powergroup/products.htm dc-dc converters 81 a dc-dc non-isolated converters 2 new product table 1: pin connections pin no. function pin no. function 1 vin+ 62 vin- 2 vin+ 61 vin- 3 vin+ 60 vin- 4 v in+ 59 v in- 5 reser ved 58 vrm-pres 6 key 57 vid4 7 vid3 56 vid2 8 vid1 55 vid0 9 reserved 54 ishare 10 pwrgd 53 outen 11 vo sen- 52 vo sen+ 12 reserved 51 reserved 13 v o- 50 vo+ 14 vo+ 49 vo+ 15 vo- 48 vo- 16 vo+ 47 vo+ 17 vo- 46 vo- 18 vo+ 45 vo+ 19 vo- 44 vo- 20 vo+ 43 vo+ 21 vo- 42 vo- 22 vo+ 41 vo+ 23 vo- 40 vo- 24 vo+ 39 vo+ 25 vo- 38 vo- 26 vo+ 37 vo+ 27 v o- 36 vo- 28 vo+ 35 vo+ 29 vo- 34 vo- 30 vo+ 33 vo+ 31 vo- 32 vo- table 2: voltage identification (vid) codes vid4 vid3 vid2 vid1 vid0 vdac 11 1 1 1off 1 1 1 1 0 1.100 1 1 1 0 1 1.125 1 1 1 0 0 1.150 1 1 0 1 1 1.175 1 1 0 1 0 1.200 1 1 0 0 1 1.225 1 1 0 0 0 1.250 1 0 1 1 1 1.275 1 0 1 1 0 1.300 1 0 1 0 1 1.325 1 0 1 0 0 1.350 1 0 0 1 1 1.375 1 0 0 1 0 1.400 1 0 0 0 1 1.425 1 0 0 0 0 1.450 0 1 1 1 1 1.475 0 1 1 1 0 1.500 0 1 1 0 1 1.525 0 1 1 0 0 1.550 0 1 0 1 1 1.575 0 1 0 1 0 1.600 0 1 0 0 1 1.625 0 1 0 0 0 1.650 0 0 1 1 1 1.675 0 0 1 1 0 1.700 0 0 1 0 1 1.725 0 0 1 0 0 1.750 0 0 0 1 1 1.775 0 0 0 1 0 1.800 0 0 0 0 1 1.825 0 0 0 0 0 1.850 input output output output efficiency regulation model voltage voltage ovp current current (typ.) load number (9,10) (min) (max.) 12 vdc 1.10-1.85 vdc 120% of 0 a 81 a 85% 0.95 mv/a NXI150-12P1V8CY vid setting
nxi150 series single output filename: nxi150.pdf rev (03): 20 dec 2005 for the most current data and application support visit www.artesyn.com/powergroup/products.htm dc-dc converters 81 a dc-dc non-isolated converters 3 n ew product datasheet ?artesyn technologies ? 2005 the infor mation and specifications contained in this datasheet ar e believed to be cor r ect at time of publication. however , artesyn 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 your local application support for: 4 application note 4 longform datasheet www.artesyn.com n n o o t t e e s s 1 recommended output capacitance, 8 x 560 ?/4 v oscon and 10 x 4. 7 ?/6.3 v mlcc. 2 15 mv pk-pk ripple. vin = 12 v, vout = 1.5 v, iout = 65 a. 3 125 mv peak deviation when slewing load from no load to full load at 50 a/?. recommended capacitors (per note 1) required across output. 4 each phase operates at a fixed 250 khz. effective fundamental output fr equency is 1 mhz / 4 phases each at 250 khz interleaved. 5 recommended mating connector is amp 1489162-1 or equivalent. 6 from 5 hz to 20 hz, maintaining 0.02 g 2 /hz from 20 hz to 500 hz, all axes. 7 when included in the users system esd event shall cause no out-of- regulation conditions. n n o o t t e e s s c c o o n n d d 8 please consult your local application support for: longform datasheet and application note for the de-rating cur ves . 9 the ?uffix indicates that these parts are tse rohs 5/6 (non pb-free) compliant. 10 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 .ar tesyn.com/power group/products.htm to find a suitable alter native. (11,12) figure 1: mechanical drawing 0.250 (6.35) max dimensions in inches (mm) tolerances (unless otherwise specified) 2 place 0.02 3 place 0.010 0.255 (6.48) max 0.063 0.007 thick fr-4 2-sided ckt bd w/gold plated 30 " connector fingers 1 62 3 2 3 1 0.093 (2.36) 0.042 (1.07) 0.307 (7.80) 32 62 3.800 (96.52) 2 . 3 0 0 ( 5 8 . 4 2 ) 0.700 (17.78) 3.186 (80.92) 3 0 eq spaces @ 0.100 (2.54) e ach equals 3.000 (76.20) tol non-accum 1.243 (31.57) c l 0.936 (23.77)
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