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wall industries, inc. advanced publication lv200 series 200 watt halfbrick dc/dc power converters 07/11/2013 wall industries, inc. ? 37 industrial drive, exeter , nh 03833 ? tel: 6037782300 ? toll free: 88859 79255 ? fax 6037789797 website: www.wallindustries.com ? email: sales@wal lindustries.com page 1 of 12 features softstart 200 watts output power under voltage lockout no minimum load requirements remote on/off control high efficiency fixed switching frequency cost efficient solution fast transient response made in the usa 100% burnin 4:1 ultra wide input voltage range: 9~36vdc industry standard halfbrick footprint remote sense compensation to 10% vout single outputs ranging from 3.3vdc to 48vdc 1500vdc i/o isolation threaded inserts & thruhole inserts available short circuit, over voltage, over current, and over temperature protection ul609501, en609501, iec609501, & en50155 safety approvals heat sink and chassis mount options available applications telecommunications equipment network (lans/wans) equipment next generation low voltage, high current microprocessors and ics for use in 12v and 24v battery applications for use in intermediate and distributed bus architectures (iba) military applications description standard models size: 2.40x 2.28 x 0.50 inches chassis mount models (prefix cm) size: 5.70 x 3.40 x 1.10 inches options: heatsink thruhole inserts chassis mount active low remote on/off control the lv200 is a high density, low input voltage, iso lated converter with a 4:1 ultra wide input voltage range. low input voltage converters are uncommon in the industry and the lv200 series offers the flexibility of operation with both 12v and 24v buss es. this stateoftheart converter's features include fast transient response, short circuit prot ection, over curre nt protection, soft start, and many other features that are required for today's demand ing applications. model selection table output current model number input voltage output voltage min load max load no load input current ripple & noise output power efficiency lv12s3.3200 3.3 vdc 0ma 60.6a 200w lv12s05200 5 vdc 0ma 40a 200w lv12s12200 12 vdc 0ma 16.67a 200w lv12s15200 15 vdc 0ma 13.33a 200w lv12s24200 24 vdc 0ma 8.33a 200w lv12s28200 28 vdc 0ma 7.14a 200w lv12s48200 12/24 vdc (9 36 vdc) 48 vdc 0ma 4.17a tbd tbd 200w tbd notes 1. the lv200 series converters may be paralleled bo th for redundancy and for higher output current. se e page 11 for more details. 2. maximum output deviation is +10% inclusive of re mote sense and trim. if remote sense is not being u sed the +sense should be connected to its corresponding +output and likewise the sense shou ld be connected to its corresponding Coutput. 3. output voltage is adjustable for 10% trim up or 10% trim down of nominal output voltage by connec ting a single resistor between trim and +rs pins for trim up or between trim and rs pins for trim down. to calculate the value of the resistor r u and r d for a particular output voltage see page 9. 4. this series comes with several different options : active low remote on/off control, heatsinks, chas sis mount, and thruhole inserts. see the model number setup table on page 12 for more ordering i nformation.
wall industries, inc. advanced publication lv200 series 200 watt halfbrick dc/dc power converters 07/11/2013 wall industries, inc. ? 37 industrial drive, exeter , nh 03833 ? tel: 6037782300 ? toll free: 88859 79255 ? fax 6037789797 website: www.wallindustries.com ? email: sales@wal lindustries.com page 2 of 12 specifications: lv200 series all specifications are based on 25c, nominal input voltage, and maximum output current unless otherwis e noted. we reserve the right to change specifications based on technological advances. specification test conditions min typ max unit input specifications input voltage range 9 12/24 36 vdc uvlo turnon at tbd vdc uvlo turnoff at tbd vdc input surge voltage (100ms) 50 vdc input current no load see table input filter pi type reflected ripple current tbd ma output specifications output voltage see table voltage set point rs shorted to vo 1.0 +1.0 % line regulation rs shorted to vo 0.1 0.2 % load regulation rs shorted to vo 0.1 0.2 % voltage adjustability max output limited to 200w 10 +10 % remote sense compensation max output limited to 200w 10 % output power see table output current see table minimum load 0 % ripple 1f ceramic and 10f tantalum tbd mvpp spikes 1f ceramic and 10f tantalum tbd mvpp temperature drift 0.2 %/c dynamic response load step / v 50% to 100% io, di/dt=1a/us 200 mv recovery time recovery to within 1% nominal vo tbd ms turnon delay from vin(min) to vout (nom) tbd ms turnon overshoot full load resistive 0 % holdup time from vin (min) to v ulvo_turn_off 0 ms remote on/off control min high (on/off pin) remote on 2.2 active high (standard) max low (on/off pin) remote off 1.2 vdc max low (on/off pin) remote on n/a active low (optional) min high (on/off pin) remote off n/a vdc active high 2.5 5.0 remote on/off pin floating over operating voltage ra nge active low n/a vdc turnon delay (active high) on/off (max low) to vout (min) 9 ms turnoff delay (active high) on/off (0v) to vout (mi n) 160 s protection short circuit protection hiccup, automatic recovery current limit power limiteddependent upon sense compensation and trim adj. tbd % over voltage protection output clamped 115 130 % case temperature greater than +95 over temperature protection case temperature less than +85 c general specifications efficiency nominal input voltage and full load see table switching frequency 400 khz input to output 1500 isolation voltage 1 minute (basic insulation) input/output to case 500 vdc isolation resistance 500vdc 10 m isolation capacitance tbd pf environmental specifications operating case temperature max ambient limited by o tp 40 +100 c storage temperature 50 +125 c relative humidity 5 95 % rh mtbf calculated using bellcore tr332 method 1 case 3 tbd hours
wall industries, inc. advanced publication lv200 series 200 watt halfbrick dc/dc power converters 07/11/2013 wall industries, inc. ? 37 industrial drive, exeter , nh 03833 ? tel: 6037782300 ? toll free: 88859 79255 ? fax 6037789797 website: www.wallindustries.com ? email: sales@wal lindustries.com page 3 of 12 specifications: lv200 series all specifications are based on 25c, nominal input voltage, and maximum output current unless otherwis e noted. we reserve the right to change specifications based on technological advances. specification test conditions min typ max unit physical specifications standard models 4.0oz (113g) weight chassis mount models 7.52oz (213g) standard models 2.40 x 2.28 x 0.50 inches (61.0 x 57.9 x 12.7 mm) dimensions (l x w x h) chassis mount models 5.70 x 3.40 x 1.10 inches (144.8 x 86.4 x 28.0 mm) case material thick, aluminum alloy base material tbd potting material tbd shielding sixsided safety & emc characteristics safety approvals iec609501, ul609501, en609501, en50155 emi en55011, en55022 class a esd en6100042 air 8kv and contact 6kv perf. criteria a radiated immunity en6100043 20 v/m perf. criteria a fast transient en6100044 2kv perf. criteria a surge en6100045 en55024 2kv and en50155 2kv perf. criteria a conducted immunity en6100046 10 vrms perf. criteria a mechanical drawing standard models .400 [10.16] .700 [17.78] 1.000 [25.40] 1.400 [35.56] 2 . 0 0 0 [ 5 0 . 8 0 ] 1.900 [48.26] .000 [0.00] . 0 0 0 [ 0 . 0 0 ] wall industries dc/dc converter r .30 [7.6] .50 [12.7] lexan insulator 2x 10 9 7 5 4 3 2 1 68 see note-4 key pin/ no connection label .20 min [5.1 min] pin length from xxxx exeter, nh 03833 model name xxxx standoffs only 2.28 +.02 57.9 +0.5 -.03 -0.8 2 . 4 0 + . 0 2 6 1 . 0 + 0 . 5 - . 0 3 - 0 . 8 .50 [12.7] to standoffs only .19 +.02 4.8 +0.5 -.03 -0.6 serial no: date code see note-3 notes: 1. pin-to-pin tolerance .01 [0.3] pin diameter tolerance: .005 [0.13] 2. case material: 0.040 [1.02] thick, aluminum alloy 3003-0, per : qqa 250/2 3. unless otherwise specified 4. unit comes with either 3m x 0.5 threaded thru inserts or for ?.125 thru-hole add ?th? suffix to the model number. 5. consult factory for optional heatsink pin designation pin ? 1 -output ?.081 2 -sense ?.040 3 trim ?.040 4 +sense ?.040 5 +out ?.081 6 -vin ?.081 7 case grd ?.040 8 key pin/nc ?.081 9 on/off ?.040 10 +vin ?.081 do not scale drawing per asme y14.5m - 1994 interpret dimension and tolerance third angle projection unless otherwise specified all dimensons are in inches [ xx ] are in millimeters applied tolerances: angles= 1 .xx=.02[0.5] .xxx=.010[0.25]
wall industries, inc. advanced publication lv200 series 200 watt halfbrick dc/dc power converters 07/11/2013 wall industries, inc. ? 37 industrial drive, exeter , nh 03833 ? tel: 6037782300 ? toll free: 88859 79255 ? fax 6037789797 website: www.wallindustries.com ? email: sales@wal lindustries.com page 4 of 12 mechanical drawing chassis mount models (prefix cm) notes 1. pin to pin tolerance 0.01 [0.3], pin diameter tolerance: 0.005 [0.13]. 2. case material of the converter: ?.040 [1.02] thick, aluminum alloy 3003-0, per: qqa 250/2. 3. unless otherwise specified. 4. unit comes with either .112 (no.4)-4ounc-2b threaded thru inserts or for ?.125 thru-hole for the chassis mount board add: th suffix to model part number. example: cmlv12s15-200th do not scale drawing per asme y14.5m - 1994 interpret dimension and tolerance third angle projection unless otherwise specified all dimensons are in inches [ xx ] are in millimeters applied tolerances: angles= 1 .xx=.02[0.5] .xxx=.010[0.25] m3 x 0.5 full thd thru 4x caution: mounting hardware protrudsion into unit must not exceed a maximum depth of .25 [6.4] from surface-a max receiving torque 4-lbs/in [0.45-n.m]
wall industries, inc. advanced publication lv200 series 200 watt halfbrick dc/dc power converters 07/11/2013 wall industries, inc. ? 37 industrial drive, exeter , nh 03833 ? tel: 6037782300 ? toll free: 88859 79255 ? fax 6037789797 website: www.wallindustries.com ? email: sales@wal lindustries.com page 5 of 12 characteristics (based on lv12s15200) max ambient vs io (vin=24vdc) efficiency vs output current tbd tbd input current vs input voltage power dissipation vs input voltage tbd tbd min load input current & power dissipation vs input voltage remote off input current & power dissipation vs i nput voltage tbd tbd
wall industries, inc. advanced publication lv200 series 200 watt halfbrick dc/dc power converters 07/11/2013 wall industries, inc. ? 37 industrial drive, exeter , nh 03833 ? tel: 6037782300 ? toll free: 88859 79255 ? fax 6037789797 website: www.wallindustries.com ? email: sales@wal lindustries.com page 6 of 12 characteristics (based on lv12s15200) photo 1: remote turn on photo 2: remote turn off tbd tbd vin=24v, iout=1.33a vin=24v, iout=13.33a photo 3: normal turn on photo 4: normal turn on tbd tbd vin=24v, iout=1.33a vin=24v, iout=13.33a photo 5: remote turn off photo 6: remote turn off tbd tbd vin=24v, iout=1.33a vin=24v, iout=13.33a
wall industries, inc. advanced publication lv200 series 200 watt halfbrick dc/dc power converters 07/11/2013 wall industries, inc. ? 37 industrial drive, exeter , nh 03833 ? tel: 6037782300 ? toll free: 88859 79255 ? fax 6037789797 website: www.wallindustries.com ? email: sales@wal lindustries.com page 7 of 12 characteristics (based on lv12s15200) photo 7: transient response 50% to 100% photo 8: transient response min load to max load tbd tbd vin = 24v, iout = 6.66 to 13.33a, cout = 1f cerami c + 10f tantalum vin = 24v, iout = 1.33 to 13.33a, cout = 1f cerami c + 10f tantalum photo 9: output voltage ripple (20mhz bw) photo 10: output voltage ripple (20mhz bw) tbd tbd vin = 24v, iout = 1.33a, cout = 1f ceramic + 10f tantalum vin = 24v, iout = 13.33a, cout = 1f ceramic + 10f tantalum photo 11: output voltage ripple (spike) photo 12: input reflected ripple voltage and ripple current tbd tbd vin = 24v, iout = 13.33a, cout = 1f ceramic + 10f tantalum vin = 24v, iout = 13.33a with 680faluminum electrolytic and 12h series ind uctor
wall industries, inc. advanced publication lv200 series 200 watt halfbrick dc/dc power converters 07/11/2013 wall industries, inc. ? 37 industrial drive, exeter , nh 03833 ? tel: 6037782300 ? toll free: 88859 79255 ? fax 6037789797 website: www.wallindustries.com ? email: sales@wal lindustries.com page 8 of 12 design considerations under voltage lock out (uvlo) the converter output is disabled until the input voltage exceeds the uvlo turnon limit. the converter will remain on until the input voltage falls below the uvlo turnoff l imit. over current protection the converter is protected from short circuit and over cu rrent conditions. during these fault conditions, the co nverter output will hiccup. the converter output will recover once the short or over current fault is removed. over temperature protection (otp) the converter has internal thermal protection that will s hut the converter off once the case temperature exceeds the otp turnoff limit. the converter will resume operation w hen the case temperature has dropped below the otp turnon limit. input filter it is recommended to bypass the +vin and Cvin pins of the converter with a minimum of 680f (100v minimum) capacitor. no other bypassing is needed. however, to redu ce the input ripple beyond what is seen in photo 1, l arger values of capacitance may be used. additionally, an in ductor may be placed between the source and the previousl y mentioned capacitor. no inductor should be placed between the capacitor and the input to the converter. input filter setup +v in lv200 series -v in 680f electrolytic capacitor 1f ceramic capacitor low impedance source output filter no additional output capacitor is needed for the power supply to operate. however, to reduce the ripple and nois e on the output, additional capacitance may be added. a 100 f ceramic capacitor may be added across the +vo and Cv o pins to reduce the ripple and spike noise. additional capaci tance in the form of a tantalum or aluminum electrolyt ic may also be placed across these pins in order reduce ripple and i mprove the transient peaktopeak voltage deviation. remote sense to improve the regulation at the load, route the connect ions from the rs and the +rs pins to the Cvo and +vo connections at the load. this will force the converter to regulate the voltage at the load and not at the pins of the converter. if it is not desired to use the remotes sense fea ture, the Crs and +rs pins may be left open or they may be shorted to the vo and +vo pins respectively. shorting t he rs pins to the vo pins will reduce the voltage drops through the converter pins.
wall industries, inc. advanced publication lv200 series 200 watt halfbrick dc/dc power converters 07/11/2013 wall industries, inc. ? 37 industrial drive, exeter , nh 03833 ? tel: 6037782300 ? toll free: 88859 79255 ? fax 6037789797 website: www.wallindustries.com ? email: sales@wal lindustries.com page 9 of 12 remote on/off the converter has the ability to be remotely turned on or off. the lv200 series is activehigh. activehigh mea ns that a logic high at the on/off pin will enable the supply. w ith activehigh, if the on/off pin is left floating, the supply will be enabled. active high lv200 series converter 2.5v 0.1f -vin -vin +vin low disables converter high enables converter on/off vcc 200k low enables converter high disables converter output voltage trim the output is adjustable 10% of rated output voltage. to trim the output voltage down, place the trim resisto r between the trim and rs pins. to trim the output voltage up, place the trim resistor between the trim and +rs pins. the value of the trim resistor with respect to the desired output voltage (vo) can be derived from the following fo rmulas. trim up trim down lim 1 1 1 r u rth = onom o o onom o onom o r v r v ? ? v v v v v r v ? (in k) lim 1 r rtl = o onom o r v ? v v (in k) pins facing down r load +rs +v -v trim -rs rth out out pins facing down rtl r load +rs +v -v trim -rs out out
wall industries, inc. advanced publication lv200 series 200 watt halfbrick dc/dc power converters 07/11/2013 wall industries, inc. ? 37 industrial drive, exeter , nh 03833 ? tel: 6037782300 ? toll free: 88859 79255 ? fax 6037789797 website: www.wallindustries.com ? email: sales@wal lindustries.com page 10 of 12 test setup regulation and efficiency setup to ensure that accurate measurements are taken, the voltage measurements are taken directly at the terminal of the module. this minimizes errors due to contact and trace l engths between the load and the output of the supply. the following is a diagram of the test setup. regulation and efficiency probe setup r r trace contact r r contact trace r r trace contact r r contact trace +v +v in out -v -v in out r load v v in out output ripple voltage setup the module is tested with a 1f ceramic capacitor in par allel with a 10f tantalum capacitor across the outpu t terminals. ripple voltage probe setup lv200 series +v out -v out 10f tantalum 1f ceramic r load scope probe input reflected ripple current & input ripple current setu p the module is tested for input reflected ripple current (irr c) and input ripple current (irc). the input ripple vo ltage is also measured at the pins with the following input filter. if there is a need to reduce input ripple current/voltag e then additional ceramic capacitors can be added to the in put of the converter. ripple current setup 12h irrc irc out out lv200 series scope probe +v in -v in low impedance source 6800f electrolytic capacitor 1f ceramic capacitor
wall industries, inc. advanced publication lv200 series 200 watt halfbrick dc/dc power converters 07/11/2013 wall industries, inc. ? 37 industrial drive, exeter , nh 03833 ? tel: 6037782300 ? toll free: 88859 79255 ? fax 6037789797 website: www.wallindustries.com ? email: sales@wal lindustries.com page 11 of 12 converter thermal consideration the converter is designed to operate without convective cool ing if the derating curves are followed. the converter c an operate at higher temperatures if airflow is applied. air flow should be aligned lengthwise to the converter for optimum heat transfer. airflow orientation pins facing down lv200 series +v in -v in +v -v on/off airflow outout paralleling converters the lv200 series converters may be paralleled both for red undancy and for higher output current. however, in order to do this, a highcurrent, low vf, schottky diode mus t be placed at the +vo pin of each supply as shown below . to improve sharing, tie the two trim pins together. the converters may be trimmed by adding a resistor value from each t rim pin to rs pin, or alternatively, a single resistor of half th e value from the common trim pins to the common rs pi ns. paralleling converters converter a converter b -vin vin -vo +vin on/off chgnd -vin +5v +rs trim -rs -vo -vo -vo rload r (up or down) (optional) r (up or down) (optional) +vin on/off chgnd -vin -vo -rs trim +rs +vo
wall industries, inc. advanced publication lv200 series 200 watt halfbrick dc/dc power converters 07/11/2013 wall industries, inc. ? 37 industrial drive, exeter , nh 03833 ? tel: 6037782300 ? toll free: 88859 79255 ? fax 6037789797 website: www.wallindustries.com ? email: sales@wal lindustries.com page 12 of 12 model number setup cm lv 12 s 15 200 chassis mount series name input voltage output quantity ouptut voltage none: standard 12: 936vdc s: single output 3.3: 3.3 vdc 200: 200 watts cm: chassis mount 05: 5 vdc 12: 12 vdc 15: 15 vdc 24: 24 vdc 28: 28 vdc 48: 48 vdc r th hs remote on/off inserts heatsink none: active high none: threaded none: no heatsink r: active low th: thruhole h: heatsink note: models with thruhole inserts cannot be equip ped with a heatsink. company information wall industries, inc. has created custom and modified units for over 50 years. our inhouse research and devel opment engineers will provide a solution that exceeds your perfor mance requirements ontime and on budget. our iso90012 008 certification is just one example of our commitment to producing a high quality, welldocumented product for our customers. our past projects demonstrate our commitment to you, our customer. wall industries, inc. has a reputation f or working closely with its customers to ensure each solution meets or exceeds form, fit and function requirements. we will continue to provide ongoing support for your project above an d beyond the design and production phases. give us a call today to discuss your future projects. contact wall industries for further information: phone: (603)7782300 toll free: (888)5979255 fax: (603)7789797 email: sales@wallindustries.com web: www.wallindustries.com address: 37 industrial drive exeter, nh 03833

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