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nds series data sheet 10 w smt dc-dc converters, 1.5 ? 5 v output bcd.00013 rev. aa, 4-mar-2010 page 1 of 14 www.power-one.com applications ? distributed power architectures ? telecommunications equipment ? lan/wan applications ? data processing ? industrial applications features ? rohs lead-free-solder and lead-solder- exempted products are available ? single board design ? basic insulation ? 1500 vdc i/o electric strength test voltage ? low profile smt design ? high current density ? low conducted and radiated emi ? excellent co-planarity (within 0.1 mm) ? output overcurrent protection ? full rated output power at 100 lfm airflow ? operating temperature to 100 c ? remote shutdown (primary referenced) ? output voltage trim adjust, positive or negative ? 8.5 mm height profile ? safety-approved to iec/en 60950-1 and ul/csa 60950-1. description the nds series of converters are low profile, single output, dc-dc converters intended for smt placement and reflow soldering. the product prov ides onboard conversion of standard tele com, datacom and industrial input voltages to isolated low output voltages. proprietary pat ented manufacturing process ensures optimal quality with full process automation. these are high performance, cost effective converters with an extremely small pcb footprint. model selection model input voltage vdc max. input current a output voltage v output current a output ripple/nois e mv pp typical efficienc y % nds03za-m6 1 36 - 75 0.18 1.5 3.0 40 75 NDS03ZB-M6 1 36 - 75 0.22 1.8 3.0 45 77 nds03zd-m6 1 36 - 75 0.28 2.5 3.0 60 83 nds03ze-m6 1 36 - 75 0.35 3.3 3.0 75 85 nds02zg-m6 1 36 - 75 0.35 5.0 2.0 90 87 1 for products rohs-compliant for all 6 substances, change the suffix -m6 to -m6g. model numbers highlighted in yellow or shaded are not recommended for new designs .
nds series data sheet 10 w smt dc-dc converters, 1.5 ? 5 v output bcd.00013 rev. aa, 4-mar-2010 page 2 of 14 www.power-one.com absolute maximum ratings stresses in excess of the absolute maximum ratings ma y cause performance degradation, adversely affect long- term reliability and cause permanent damage to the converte r. specifications apply over specified input voltage, output load and temperature ra nge, unless otherwise noted. parameter conditions/description min max unit input voltage (vi) transient input voltage (vit) continuous transient, 100 ms 36 75 100 vdc vdc operating casetemp. (tc) at 100% load -40 100 c storage temperature (ts) - 5 5 120 c on/off control voltage (vrc) referenced to -vi -1.0 5.5 vdc environmental and mechanical specifications apply over specified input voltage, output load, and temperature r ange, unless otherwise noted. parameter conditions/description min nom max unit shock iec68-2-27 100 g sinusoidal vibration iec68-2-6 10 g weight 0.4/10 oz/g water washing standard process yes n/a mtbf per bellcore tr-nwt-000332 (100% load @25 c, gb) 6 052 000 h insulation specifications apply over specified input voltage, output load, and temperature r ange, unless otherwise noted. parameter conditions/description min nom max unit insulation safety rating vi = 36 ? 75 vdc basic n/a electric strength test 1500 vdc insulation resistance (rps) 10 m ? insuation capacitance (cps) 4100 pf input data specifications apply over specified input voltage, output load, and temperature r ange, unless otherwise noted. parameter conditions/description min nom max unit input voltage (vi) continuous 36 48 75 v input current when shutdown vi.nom, remote control activated 3 6 ma turn-on input voltage 36-75 vi ramping up, io.max 32 34 36 v turn-off input voltage 36-75 vi ramping down, io.max 30 32 34 v turn-on time to output regulation band after remote control rise time 350 1 1 500 5 5 ms ms ms input reflected ripple current vi.max, io.max 50 ma pp input capacitance 1.4 f
nds series data sheet 10 w smt dc-dc converters, 1.5 ? 5 v output bcd.00013 rev. aa, 4-mar-2010 page 3 of 14 www.power-one.com output data all specifications apply over input voltage, output load, and temperature range, unless otherwise noted. nds03za : 1.5 v/3.0 a parameter conditions/description min nom max unit output voltage setpoint accuracy vo vi.nom, io = 1.5 a, 25 c 1.48 1.50 1.52 vdc output current io vi.min to vi.max 0 3.0 adc line regulation vi.min to vi.max, 50% io.max 25 mv load regulation vi.nom, io.min to io.max 25 mv dynamic regulation peak deviation settling time 50-100% io.max load step change. to 1% error band 250 1,150 mv s output voltage ripple* vr vi.min to vi.max, io.min to io max, 20 mhz bandwidth 40 75 mvpp admissible load capacitance comax io.max, vi.nom 2,200 f output current limit threshold icl vo 0.90 vo.nom 120 200 %io.max switching frequency fs vi.nom, io.max 400 khz temperature coefficient tco 0.02 %vo/ c trim range vt io.min to io.max, vi.min to vi.max 1.35 1.65 vo * measured with a 1 f ceramic across the output pins typical characteristic curves output voltage vs load 0,00 0,20 0,40 0,60 0,80 1,00 1,20 1,40 1,60 0,00 0,45 0,90 1,35 1,80 2,25 2,70 3,15 3,6 0 4,05 4,50 4,95 5,40 5,85 iout (a) vout (v) vin min vin nom vin max efficiency vs load 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 0.00 0.15 0.30 0.60 0.90 1.20 1.50 1.80 2.10 2.40 2.70 3.00 iout (a) efficiency vin min vin nom vin max
nds series data sheet 10 w smt dc-dc converters, 1.5 ? 5 v output bcd.00013 rev. aa, 4-mar-2010 page 4 of 14 www.power-one.com all specifications apply over input voltage, output load, and temperature range, unless otherwise noted. nds03zb : 1.8 v/3.0 a parameter conditions/description min nom max unit output voltage setpoint accuracy vo vi.nom, io = 1.5 a, 25 c 1.78 1.80 1.82 vdc output current io vi.min to vi.max 0 3.0 adc line regulation vi.min to vi.max, 50% io.max 25 mv load regulation vi.nom, io.min to io.max 25 mv dynamic regulation peak deviation settling time 50-100% io.max load step change. to 1% error band 250 1,150 mv s output voltage ripple* vr vi.min to vi.max, io.min to io max, 20 mhz bandwidth 50 75 mv pp admissible load capacitance comax io.max, vi.nom 2,200 f output current limit threshold icl vo 0.90 vo.nom 120 200 %io.max switching frequency fs vi.nom, io.max 400 khz temperature coefficient tco 0.02 %vo/ c trim range vt io.min to io.max, vi.min to vi.max 1.62 1.98 vo * measured with a 1 f ceramic across the output pins typical characteristic curves output voltage vs load 0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 0.00 0.60 1.20 1.80 2.40 3.00 3.60 4.20 4.80 5.40 6.00 iout (a) vout (v) vin min vin nom vin max efficiency vs load 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 0.00 0.15 0.30 0.60 0.90 1.20 1.50 1.80 2.10 2.40 2.70 3.00 iout (a) efficiency vin min vin nom vin max
nds series data sheet 10 w smt dc-dc converters, 1.5 ? 5 v output bcd.00013 rev. aa, 4-mar-2010 page 5 of 14 www.power-one.com all specifications apply over input voltage, output load and temperature range, unless otherwise noted. nds03zd : 2.5 v/ 3.0a parameter conditions/description min nom max unit output voltage setpoint accuracy vo vi.nom, io = 1.5 a, 25 c 2.47 2.5 2.53 v output current io vi.min to vi.max 0 3.0 a line regulation vi.min to vi.max, 50% io.max 50 mv load regulation vi.nom, io.min to io.max 50 mv dynamic regulation peak deviation settling time 50-100% io.max load step change. to 1% error band 250 1,150 mv s output voltage ripple vr vi.min to vi.max, io.min to io max, 20 mhz bandwidth 50 75 mv pp admissible load capacitance comax io.max, vi.nom 2,200 f output current limit threshold icl vo 0.90 vo.nom 120 200 %io.max switching frequency fs vi.nom, io.max 400 khz temperature coefficient tco 0.02 %vo/ c trim range vt io.min to io.max, vi.min to vi.max 2.25 2.75 vo * measured with a 1 f ceramic across the output pins typical characteristic curves output voltage vs load 0.00 0.50 1.00 1.50 2.00 2.50 3.00 0.00 0.60 1.20 1.80 2.40 3.00 3.60 4.20 4.80 5.40 6.00 iout (a) vout (v) vin min vin nom vin max efficiency vs load 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 0.00 0.15 0.30 0.60 0.90 1.20 1.50 1.80 2.10 2.40 2.70 3.00 iout (a) efficiency vin min vin nom vin max
nds series data sheet 10 w smt dc-dc converters, 1.5 ? 5 v output bcd.00013 rev. aa, 4-mar-2010 page 6 of 14 www.power-one.com all specifications apply over input voltage, output load and temperature range, unless otherwise noted. nds03ze : 3.3 v/3.0 a parameter conditions/description min nom max unit output voltage setpoint accuracy vo vi.nom, io = 1.5 a, 25 c 3.26 3.3 3.34 vdc output current io vi.min to vi.max 0 3.0 adc line regulation vi.min to vi.max, 50% io.max 65 mv load regulation vi.nom, io.min to io.max 65 mv dynamic regulation peak deviation settling time 50-100% io.max load step change. to 1% error band 250 250 mv s output voltage ripple* vr vi.min to vi.max, io.min to io max, 20 mhz bandwidth 50 75 mv pp admissible load capacitance comax io.max, vi.nom 2,200 f output current limit threshold icl vo 0.90 vo.nom 120 200 %io.max switching frequency fs vi.nom, io.max 400 khz temperature coefficient tco 0.02 %vo/ c trim range vt io.min to io.max, vi.min to vi.max 3.0 3.6 vo * measured with an 1 f ceramic capacitor across the output pins typical characteristic curves output voltage vs load 0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 0.00 0.45 0.90 1.35 1.80 2.25 2.70 3.15 3.60 4.05 4.50 4.95 5.40 5.85 iout (a) vout (v) vin min vin nom vin max efficiency vs load 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 0.00 0.30 0.90 1.50 2.10 2.70 iout (a) efficiency vin min vin nom vin max
nds series data sheet 10 w smt dc-dc converters, 1.5 ? 5 v output bcd.00013 rev. aa, 4-mar-2010 page 7 of 14 www.power-one.com all specifications apply over input voltage, output load and temperature range, unless otherwise noted. nds02zg : 5.0 v/2.0 a parameter conditions/description min nom max unit output voltage setpoint accuracy vo vi.nom, io = 1.0 a, 25 c 4.94 5.0 5.06 v output current io vi.min to vi.max 0 2.0 a line regulation vi.min to vi.max, 50% io.max 65 mv load regulation vi.nom, io.min to io.max 65 mv dynamic regulation peak deviation settling time 50-100% io.max load step change. to 1% error band 350 250 mv s output voltage ripple* vr vi.min to vi.max, io.min to io max, 20 mhz bandwidth 75 125 mv pp admissible load capacitance comax io.max, vi.nom 2,200 f output current limit threshold icl vo 0.90 vo.nom 120 200 %io.max switching frequency fs vi.nom, io.max 400 khz temperature coefficient tco 0.02 %vo/ c trim range vt io.min to io.max, vi.min to vi.max 4.5 5.5 vo * measured with a 1 f ceramic across the output pins typical characteristic curves output voltage vs load 0.00 1.00 2.00 3.00 4.00 5.00 6.00 0.00 0.30 0.60 0.90 1.20 1.50 1.80 2.10 2.40 2.70 3.00 3.30 3.60 3.90 iout (a) vout (v) vin min vin nom vin max efficiency vs load 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 0.00 0.20 0.60 1.00 1.40 1.80 iout (a) efficiency vin min vin nom vin max
nds series data sheet 10 w smt dc-dc converters, 1.5 ? 5 v output shutdown parameter conditions/description min nom max units shutdown control: converter off converter on sink current shutdown pin is pulled low voltage source or open circuit vi=vi.nom -1.0 3.5 0.3 1.0 5.5 v v ma temperature derating curves the derating curves below give an indication of the out put power achievable with and without forced-air cooling. however in the final application, in order to ensure the reliability of the uni t, care must be taken to ensure the maximum case temperature is not exceeded under any conditions. output power vs ambient temperature and airflow 0 20 40 60 80 100 120 0 10 20 30 40 50 60 70 80 90 100 ambient temperature (deg c) output power (%) 200lfm (1 m/s) 100lfm (0.5 m/s) 0 lfm bcd.00013 rev. aa, 4-mar-2010 page 8 of 14 www.power-one.com
nds series data sheet 10 w smt dc-dc converters, 1.5 ? 5 v output bcd.00013 rev. aa, 4-mar-2010 page 9 of 14 www.power-one.com application and au xiliary functions this series of converters does not require any external components for proper operation. however, if the distribution of the input voltage to the converter contains significant inductance, a capacitor across the input terminals may be required to stabilize the input voltage. a minimum of 1 f, quality electrolytic / ceramic capacitor is recommended for this purpose. for output decoupling it is recommend connecting a 1 f ceramic capacitor directly across the output pins of the converter. shutdown feature the remote control pin functions as a normal soft shutdown. it is referenced to the ?vi pin. with positive logic, when the remote control pin is pulled low, the output is turned off and the unit goes into a very low input power mode. an open collector switch is recommended to control the voltage between the remote control pin and the ? vi pin of the converter. the remote control pin is pulled up internally, so no external voltage source is required. the user should avoid connecting a resistor between the remote control pin and the +vi pin. the user must take care to ensure that the pin reference for the control is connected close to the -vi pin. the control signal must not be referenced ahead of emi filtering, or remotely from the unit. if the remote control pin is not used, it can be left floating. thermal considerations the converter is designed for natural or forced convection cooling. the out put power of the converter is limited by the maximum case temperature (tc). to ensure reliable long term operation of the converters, and to comply with safety agency requirements, power-one limits maxi mum allowable case temperature (tc) to 100 c; see mechanical drawings. parallel operation paralleling of two converters is not possible. output current limiting when the output is overloaded above the maximum output current rating, the voltage will start to reduce to maintain the output power to a safe level. in a condition of high overload or short-circuit, where the output voltage is pulled below approximately 30% of vo.nom, the unit will enter a ?hiccup? mode of operation. under this condition the unit will attempt to restart, approximately every 25 ms, until the overload has cleared. output voltage adjustment the trim feature allows the user for adjusting the output voltage by means of an external resistor. to increase vo a resistor should be connected between pins 12 and 14. to decrease vo a resistor should be connected between pins 12 and 13. to increase vo: rext = (a ? (d x vo)) / ( vo ? vo.nom) [ ? ] to reduce vo: rext = ((b x vo) ? c) / ( vo.nom ? vo), [ ? ] where vo is the desired output voltage model a b c d nds03za 1945 1470 1944 470 nds03zb 2590 1730 2560 750 nds03zd 5010 2516 5010 1500 nds03ze 7010 3161 7010 1500 nds02zg 11260 4532 11240 1500 note : when the output voltage is trimmed up, the output power from the conver ter must not exceed its maximum rating. this is determined by measuring the voltage on the output pins, and multiplying it by the output current.
nds series data sheet 10 w smt dc-dc converters, 1.5 ? 5 v output bcd.00013 rev. aa, 4-mar-2010 page 10 of 14 www.power-one.com safety these converters are tested with 1500 vdc from input to output. the input-to-output resistance is greater than 10 m ? . these converters are provided with basic insulation between input and output. nevertheless, if the system using the converter needs to receive safety agency approval, certain rules must be followed in the design of the system. in particular, all of the creepage and clearance requirements of the end-use safety requirements must be observed in order for the output of the converter to be considered as selv (safety extra low voltage) or tnv-1, according to iec/en 60950-1 and ul/csa 60950-1, one of the following requirements must be met in the system design: ? fuse: the converter has no internal fuse. an external fuse must be provided to protect the system from catastrophic failure. a fuse with a rating not greater than 2.0 a is recommended. the user can select a lower rating fuse based upon the inrush transient and the maximum input current of the converter, which occurs at the minimum input voltage. both input traces and the chassis ground trace (if applicable) must be capable of conducting a current of 1.5 times the value of the fuse without opening. the fuse must not be placed in the grounded input line, if any. ? if the voltage source feeding the module is selv, the output of the converter is considered selv and may be grounded or ungrounded. ? the circuitry of the converter may generate transients, which exceed the input voltage. even if the input voltage is selv (<60 v) the components on the primary side of the converter may have to be considered as hazardous. a safety interlock may be needed to prevent the user from accessing the converter while operational. emc specifications conducted noise: the converters meet the r equirements class a of en 55022 (conducted noise on the input terminals) without any external components. the results for this solution are displayed below. to meet class b for the above standards, it is necessary to fit a 5 f ceramic capacitor across the input terminals. conducted emi (input terminals) 0 10 20 30 40 50 60 70 80 1.e+ electromagnetic susceptibility: standard applied stress class level performance criterion * electrostatic discharge en 61000-4-2 2 kv to pins 1 b electromagnetic field en 61000-4-3 3 v/m 2 a electrical fast transient en 61000-4-4 2000 v p to input 3 b conducted disturbances en 61000-4-6 3 v rms to input 2 b * a denotes normal operation, no deviation from specification. b denotes temporary deviation from specification is possible. 05 1.e+06 1.e+07 1.e+08 freq (mhz) dbv en55022 a av. en55022 a qp. 0.1 1 10 30
nds series data sheet 10 w smt dc-dc converters, 1.5 ? 5 v output bcd.00013 rev. aa, 4-mar-2010 page 11 of 14 www.power-one.com mechanical data dimensions in mm [inches] jm044 max. 8.5 [0.3346] pin 1 pickup point and tc
nds series data sheet 10 w smt dc-dc converters, 1.5 ? 5 v output bcd.00013 rev. aa, 4-mar-2010 page 12 of 14 www.power-one.com surface mount assembly soldering the following soldering instructions must be observed to prevent failure or significant degradation of the module performance. power-one will not honor any warranty claims arising from failure to observe these instructions. the lead-frame is constructed for a high temperature glass filled, ul94 v-0 flame retardant, dually ortho- phthalate molding compound commonly used for packaging of electronics components. it has passed nasa outgassing tests, and is certified to mil-m-14. the coefficient of thermal expansion is equivalent to fr4. the gull wing leads are formed to ensure optimal solder joint strength and st ructure. furthermore they facilitate visual inspection (manual or automatic). the leads are formed from a 97% cu alloy plated with ni and matte sn. this material is commonly used in the manufacture of integrated circuits. it has good corrosion resistance and exhibits the nobility inherent to all high copper alloys. unlike brasses, this material is essentially immune to stress corrosion cracking. it also exhibits excellent solderability. it is readily wetted by solders and performs well in standard solderability tests. (dip of class ii or better). the product is manufactured with a patented process, which is fully automated, and ?in-line?. this ensures that there is no c ontamination or mechanical stress on the lead-frame so that the co planarity and solderability are maintained. the product is shipped in jedec trays to ensure preservation of the co-planarity and enable fully automated assembly in the final application. mind the marking for pin 1! these products are approv ed for forced convection reflow soldering only. products rohs-compliant for all 6 substances (model designation ending with -m6g) allow for a solder profile with higher temperatures; see tables below. recommended reflow profile (measured at the leads of the converter) product pre-heat ramp pre-heat soaking ramp to reflow reflow cooling from to rate from to time rate time above liquidus peak temp. time within 5 c of peak temp time to peak rate c c c/s c c s c s c s s c/s -m6 (sn-pb eutectic) 25 150 2 150 183 90 - 120 2 45 220 5 10 180 4 -m6g (lead-free) 25 180 2 180 217 90 - 120 2 45 240 5 10 210 4 worst case reflow parameters following j-std-020d (measured in the center, on top side of the converter) product pre-heat ramp pre-heat soaking ramp to reflow reflow cooling from to rate from to max. time rate max. time above liquidus max. peak temp. max. time within 5 c of peak temp. max. time to peak rate c c c/s c c s c s c s s c/s -m6 (sn-pb eutectic) 25 150 3 100 150 120 3 45 230 10 360 6 -m6g (lead-free) 25 180 3 150 200 120 3 45 260 10 480 6
nds series data sheet 10 w smt dc-dc converters, 1.5 ? 5 v output bcd.00013 rev. aa, 4-mar-2010 page 13 of 14 www.power-one.com recommended solder lands pick & place assembly the product is designed with a large flat area in the center of the top surface to serve as a pick up point for automated vacuum pick and place equipment. the ?open board? construction of the unit ensures that weight is kept to a minimum. however due to the relatively large size of the component, a large nozzle (>6.0mm, depending on vacuum pressure) is recommended for picking and placing. jm046 the unit may also be automatically handled using ?odd-form? placement equipment, with mechanical grippers. for this type of equipment the end edges of the device, which have no l eads and also feature the greatest dimensional accuracy, should be used as pick-up points. packaging: jedec tray cutout (3 mm) showing orientation for pin 1 jm045
nds dc-dc series data sheet 10 w smt converters, 1.5 ? 5 v output bcd.00013 rev. aa, 4-mar-2010 page 14 of 14 www.power-one.com pin allocation pin designation function reference 1 shutdown shutdown control. pull low to turn unit off primary 2 -vi input voltage return primary 3 nc no connection primary 4 no pin no pin 5 no pin no pin 6 no pin no pin 7 no pin no pin 8 no pin no pin 9 nc no connection secondary 10 nc no connection secondary 11 nc no connection secondary 12 trim output voltage adjust secondary 13 +vo positive output voltage secondary 14 -vo output voltage return secondary 15 nc no connection secondary 16 nc no connection secondary 17 no pin no pin 18 no pin no pin 19 no pin no pin 20 no pin no pin 21 no pin no pin 22 nc no connection primary 23 +vi positive input voltage primary 24 nc no connection primary nuclear and medical applications - power-one products are not des igned, intended for use in, or authorized for use as critical components in life support systems, equipment used in hazardous envir onments, or nuclear control systems without the express wr itten consent of the respecti ve divisional pr esident of power-one, inc. technical revisions - the appearance of produc ts, including safety agency certificat ions pictured on labels, may change dependi ng on the date manufactured. specifications are subject to change without notice.

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