M Series Data Sheet 50 Watt DC-DC and AC-DC Converters

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1 5 Wa DC-DC and AC-DC Converers Feaures.7" U Exremly wide operaing inpu volage ranges from 8 o 85 VDC and 85 o 6 VAC, 7 o Hz RoHS lead-free-solder and lead-solder-exemped producs available Class I equipmen Inpu over- and undervolage lockou,, or individually isolaed oupus up o 7 V Oupus: SELV, no load, overload, shor-circui proof, recangular curren limiing characerisic Adjusable oupu volages wih remoe on/off Immuniy according o IEC/EN 6--, -, -, -5, -6 Emissions according o EN 55/55 According o EN 555 and NF-F-6 (Version V7 or laer) All PCBs boards coaed by proecive lacquer Very high reliabiliy Baery charger models available 9.5" 8TE " Safey-approved o he laes ediion of IEC/EN 695- and UL/CSA 695- Descripion The M Series of DC-DC and AC-DC converers represens a broad and flexible range of power supplies for use in advanced indusrial elecronic sysems. Feaures include high efficiency, reliabiliy, low oupu volage noise and excellen dynamic response o load/line changes due o individual regulaion of each oupu. The converer inpus are proeced agains surges and ransiens occurring a he source lines. An inpu over- and undervolage lockou circui disables he oupus, if he inpu volage is ouside he specified range. An inrush curren limiaion prevens circui breakers and fuses from ripping a swich-on. All oupus are open- and shor-circui proof, and are proeced agains overvolages by means of buil-in suppressor diodes. The oupus can be inhibied by a logic signal applied o he connecor (pin ). If he inhibi funcion is no used, pin should be conneced o pin o enable he oupus. LED indicaors display he saus of he converer and allow visual monioring of he sysem a any ime. Full inpu o oupu, inpu o case, oupu o case, and oupu o oupu isolaion is provided. The case design allows operaion a nominal load up o 7 C in a free-air ambien emperaure. If forced cooling is provided, he ambien emperaure may exceed 7 C bu he case emperaure should remain below 95 C under all condiions. A emperaure sensor generaes an inhibi signal, which disables he oupus, when he case emperaure T C exceeds he limi. The oupus auomaically recover, when he emperaure drops below he limi. Various opions are available o adap he converers o individual applicaions. The converers may eiher be plugged ino a 9" rack sysem according o IEC 697- or be mouned ono a chassis or a plae. Table of Conens Page Page Descripion... Model Selecion... Funcional Descripion... 5 Elecrical Inpu Daa... 6 Elecrical Oupu Daa... 8 Auxiliary Funcions... Elecromagneic Compaibiliy (EMC)... Immuniy o Environmenal Condiions... 6 Mechanical Daa... 7 Safey and Insallaion Insrucions... 8 Descripion of Opions... Accessories... 6 Copyrigh 7, Bel Power Soluions Inc. All righs reserved. BCD8-G Rev AE, 5-Feb-7 The Power Parners. Page of 6

2 5 Wa DC-DC and AC-DC Converers Model Selecion Non-sandard inpu / oupu configuraions or special cusom adapions are available on reques. Table provides an overview of he basic inpu and oupu configuraions. More han differen model ypes have been manufacured wih differen inpu /oupu configuraions and cusomized specialies. Please consul he company for addiional model ypes! Table a: Sandard models AM, BM, FM Oupu Oupu Oupu Operaing inpu volage range and efficiency Opions V o nom I o nom V o nom I o nom V nom I o nom V i min V i max η min V i min V i max η min V i min V i max η min [VDC] [A] [VDC] [A] [VDC] [A] 8 5 VDC [%] 7 VDC [%] VDC [%] AM-9RG 7 BM-9RG 7 FM-9RG 7-7, P AM-9RG 79 BM-9RG 8 FM-9RG 8 D D9, AM5-9RG 79 BM5-9RG 8 FM5-9RG 8 V V AM6-9RG 8 BM6-9RG 8 FM6-9RG 8 F, A, K, H AM9-9RG 8 BM9-9RG 8 FM9-9RG 8 non-g AM-9G - BM-9G , P AM6-9G - BM6-9G D D AM-9G 77 BM-9G 79 FM-9G 8 A, K, H AM5-9G 78 BM5-9G 8 FM5-9G 79 non-g AM66-9G - BM66-9G AM-9G 75 BM-9G 76 FM-9G 76-7, P AM-9G 75 BM-9G 76 FM-9G 76 D D9, A AM6-9G - BM6-9G K, H, non-g Table b: Sandard models CM, DM, LM Oupu Oupu Oupu Operaing inpu volage range and efficiency Opions V o nom I o nom V o nom I o nom V nom I o nom V i min V i max η min V i min V i max η min V i min V i max η min [VDC] [A] [VDC] [A] [VDC] [A] 8 VDC [%] VDC [%] 88 7 VDC [%] 85 6 VAC CM-9RG 7 DM-9RG 7 LM-9RG 7-7, E, P CM-9RG 8 DM-9RG 8 LM-9RG 8 D D CM5-9RG 8 DM5-9RG 8 LM5-9RG 79 V V CM6-9RG 8 DM6-9RG LM6-9RG 8 A, K, H CM9-9RG 8 DM9-9R 8 LM9-9RG 8 non-g CM-9G - DM-9G LM-9G - -7, E, P CM6-9G - DM6-9G LM6-9G - D D CM-9G 79 DM-9G 8 LM-9G 8 A, K, H CM5-9G 8 DM5-9G 8 LM5-9G 79 non-g CM66-9G - DM66-9G LM66-9G CM-9G 76 DM-9G 77 LM-9G 7-7, E, P CM-9G 76 DM-9G 76 LM-9G 7 D D9, A CM6-9G 76 DM6-9G 76 LM6-9G - K, H, non-g Min. efficiency a V i nom and I o nom. Typ. values are approx. % beer. Operaing frequency range: 7 Hz; see Safey and Insallaion Insrucions for >6 Hz! Opion V, V, V available only for oupu = 5. V (excludes opion D) Opion E only available for CM and LM models (no for DM) NFND: No for new designs. Preferred for new designs BCD8-G Rev AE, 5-Feb-7 The Power Parners. Page of 6

3 5 Wa DC-DC and AC-DC Converers Table c: EM and baery charger models Oupu Oupu Oupu Operaing inpu volage range and efficiency Opions V o Ba I o nom V o safe V o max V o nom I o nom V o nom I o nom V i min V i max η min V i min V i max η min [VDC] [A] [VDC] [VDC] [VDC] [A] [VDC] [A] VDC [%] 88 7 VDC [%] 85 6 VAC Same V o nom EMxxx-9RG , E, D, A and I o nom as - - same as DM models - - EMxxx-9RG non-g DM models - - same as DM models same as DM models EMxxx-9RG LM78-9RD5G 79-7, E, A LM78-9RD5G 8 non-g LM78-9RD5G LM78-9RD5G LM785-9RD5G 8 Min. efficiency a V i nom and I o nom. Typ. values are approx. % beer. Operaing frequency range: 7 Hz; see Safey and Insallaion Insrucions for >6 Hz V o nom for EM models Seing volage wih open R-inpu (baery chargers) NFND: No for new designs. Preferred for new designs BCD8-G Rev AE, 5-Feb-7 The Power Parners. Page of 6

4 5 Wa DC-DC and AC-DC Converers Par Number Descripion C M 5-9 E P D A H G Operaing inpu range V i : 8 5 VDC... A 7 VDC... B VDC... F 8 VDC... C VDC... D VDC... E 85 6 VAC, 88 7 VDC... L Series... M Number of oupus...,, Oupu, V o nom : 5. V...,, V... 5 V..., 5 V... 6 oher volages... 7, 8 8 V... 9 Single-oupu models (differen specs.) Oupus, : V o nom, V o nom : 5. V... 9 V V V oher volages and specs Ambien emperaure range T A : 5 o 7 C o 7 C cusomer-specific... -, -5, -6, -8 Auxiliary funcions and opions: Inrush curren limiaion (CM, EM, LM)... E Oupu volage conrol inpu (single-oupu models)... R Poeniomeers for adjusmen of oupu volages... P Save daa signal (D D9, o be specified)... D ACFAIL signal (V, V, V, o be specified)... V Oupu volage es sockes... A Increased elecric srengh es volage... H Inpu fuse buil-in (no accessible)... F Coding srip a he connecor... K RoHS-complian for all 6 subsances... G Opion D excludes opion V and vice versa Feaure R is fied o single-oupu models only. Opion P excludes opion R (and vice versa). Only for FM Models wih mm case lengh. Jus add 6 o he sandard model number, e.g., DM-9AG DM9-9AG. Noe: The sequence of opions mus follow he order above. This par number descripion is descripive only; i is no ineded for creaing par numbers. NFND: No for new designs Preferred for new designs. Example: CM5-9EPDAHG: DC-DC converer, operaing inpu volage range 8 VDC, providing oupu wih 5 V/.7 A and oupu wih 5 V /.7 A; emperaure range o +7 C, inrush curren limiaion, equipped wih poeniomeers, undervolage monior D, es sockes, esed wih higher volage oupu o case, RoHS-complian for all 6 subsances. BCD8-G Rev AE, 5-Feb-7 The Power Parners. Page of 6

5 5 Wa DC-DC and AC-DC Converers Funcional Descripion The inpu volage is fed via an inpu fuse, an inpu filer, a bridge recifier, and an inrush curren limier o he inpu capacior. This capacior sources a single-ransisor forward converer. Each oupu is powered by a separae secondary winding of he main ransformer. The resulan volages are recified and heir ripple smoohed by a power choke and an oupu filer. The main conrol circui senses he main oupu volage V o and generaes, wih respec o he maximum admissible oupu currens, he conrol signal for he primary swiching ransisor. This signal is ransferred o he primary side by a coupling ransformer. The auxiliary oupu volages V o and V o are individually regulaed by means of secondary swiching ransisors. Each auxiliary oupu's curren is sensed using a curren ransformer. If one of he oupus is driven ino curren limi, he oher oupus will reduce heir oupu volages as well, because all oupu currens are conrolled by he same main conrol circui. Opion P 9a i Main conrol circui 5 D, V R 7 G N L 5 5 Vi+ Vi 9 6 Fuse Inpu filer C Y Forward converer approx. 7 khz 5 Conrol circui oupu Conrol circui oupu C Z C Z Oupu filer Oupu filer Oupu filer 7 8 C Y Transien suppressor diode in AM, BM, CM, FM models. Bridge recifier in LM, series diode in EM models. Inrush curren limier (NTC) in CM, DM, EM, LM models (opion E: refer o he descripion of opion E). Single-oupu models wih feaure R. 5 LM-models Fig. Block diagram, riple-oupu models BCD8-G Rev AE, 5-Feb-7 The Power Parners. Page 5 of 6

6 5 Wa DC-DC and AC-DC Converers Elecrical Inpu Daa General condiions: T A = 5 C, unless T C is specified. Connecor pins and inerconneced, R inpu no conneced; wih opion P: V o = V o nom Table a: Inpu daa Inpu AM BM FM CM Uni Characerisics Condiions min yp max min yp max min yp max min yp max V i Operaing inpu volage I o = I o nom VDC V i nom Nominal inpu volage T C min T C max I i Inpu curren V i nom, I o nom.... A P i No-load inpu power: V i nom single-oupu models I o,, = W double-oupu models riple-oupu models P i inh Idle inpu power inhibied, V i nom I 6 inr p Peak inrush curren V i = V i max 5 7 A inr r Rise ime R S = Ω T C = 5 C µs inr h Time o half-value R i Inpu resisance T C = 5 C mω C i Inpu capaciance µf V i abs Inpu volage limis 8 6 VDC wihou any damage Table b: Inpu daa Inpu DM EM LM Uni Characerisics Condiions min yp max min yp max min yp max V i Operaing inpu volage I o = I o nom VAC T C min T C max VDC V i nom Nominal inpu volage I i Inpu curren V i nom, I o nom A P i No-load inpu power: V i nom single-oupu models I o,, = W double-oupu models riple-oupu models P i inh Idle inpu power inhibied, V i nom I 6 inr p Peak inrush curren V i = V i max 6 6 A inr r Rise ime R S = Ω T C = 5 C µs inr h Time o half-value 5 9 R i Inpu resisance T C = 5 C 6 mω C i Inpu capaciance µf V i abs Inpu volage limis 5 VDC wihou any damage 8 VAC In AC powered mode (LM models): Nominal inpu volage range: VAC, operaing inpu frequency range: 7 Hz Wih muliple-oupu models, he same condiion for each oupu applies. R S = source resisance. Value for iniial swich-on cycle. 5 s max., duy cycle % max. 6 I inr p = V i /(R s + R i ); see Inrush Curren. 7 V coninuously. CM models wih version V6 or greaer (or wih suffix /) wihsand 5 V for s. BCD8-G Rev AE, 5-Feb-7 The Power Parners. Page 6 of 6

7 5 Wa DC-DC and AC-DC Converers Inpu Fuse A fuse holder conaining a slow-blow ype fuse (size: 5 mm) is mouned in he back plae of he converer. The fuse proecs he converer agains severe defecs. I may no fully proec i a inpu volages exceeding VDC. In applicaions, where he converers operae a DC source volages above VDC, an exernal fuse or a circui breaker a sysem level should be insalled. The fuse and a VDR form ogeher wih he inpu filer an effecive proecion agains high inpu ransiens. Noe: For applicaions, where he fuse should no be accessible; see Opion F. Table : Fuse ypes (slow-blow) Series Schurer ype Par number AM SPT A /5 V.5 BM SPT 8 A /5 V.5 FM SPT 5 A /5 V.5 CM SPT.5 A /5 V.59 DM SPT.5 A /5 V.58 EM LM I i [A] Inpu Under-/Overvolage Lockou If he inpu volage remains below.8 V i min or exceeds approx.. V i max, an inernally generaed inhibi signal disables he oupu(s). When checking his funcion he absolue maximum inpu volage raing V i abs mus be carefully considered (see able Inpu daa). Noe: When V i is beween V i min and he undervolage lockou level, he oupu volage may be below he value defined in able Oupu daa. Reverse Polariy Reverse polariy a he inpu of AM, BM, CM, DM, and FM models will cause he fuse o blow. In EM and LM models a series diode will proec he converer. A series diode is no incorporaed in AM, BM, CM, DM and FM ypes o avoid unwaned power losses. Inrush Curren The CM, DM, EM, and LM (excluding FM) models incorporae an NTC resisor in he inpu line, which (during he iniial swichon cycle) limis he peak inrush curren in order o preven he connecors and exernal swiching devices from damage. Subsequen swich-on cycles wihin a shor inerval will cause an increase of he peak inrush curren due o he warming-up of he NTC resisor. Refer o Opion E (only available for CM, EM, and LM. a I i [A] LM A-EM 8 BM 5a AM AM. BM FM 5 5 FM CM DM 5 LM EM EM LM DM CM. 5 6 Fig. Typical inpu curren versus relaive inpu volage a nominal oupu load V i DC V i min DC Fig. Typical inrush curren a iniial swich-on. V i max (DC) and nominal oupu load [ms] A-EM LM BCD8-G Rev AE, 5-Feb-7 The Power Parners. Page 7 of 6

8 5 Wa DC-DC and AC-DC Converers Elecrical Oupu Daa General condiions T A = 5 C, unless T C is specified. Connecor pins and inerconneced, R inpu no conneced; wih opion P: V o = V o nom Table : Oupu daa Oupu V o nom 5. V V 5 V V 8 V Uni Characerisics Condiions min yp max min yp max min yp max min yp max min yp max V o Oupu volage V i nom, I o nom V V o p Oupu overvolage proecion 5 I o nom Oupu curren V i min V i max see able Model Selecion I o L Oupu curren T C min T C max see fig. Typical volage Vo versus oupu currens I o limiaion v o Oupu Swich. freq. V i nom, I o nom mv pp volage IEC/EN 6 Toal noise BW = MHz V o V Saic line regulaion V i min V i nom ± ± ± ±5 ±5 ±6 ±5 ±6 ±5 ±6 mv V i nom V i max I o nom V o I Saic load regulaion V i nom I o nom V o Ic Saic cross load V i nom ±5 ± ± ± - regulaion I o nom v o d Dynamic Volage V i nom ± ± ±5 ± ±5 load deviaion I o nom / I o nom d regulaion Recovery IEC/EN ms ime v o d c Dynamic Volage V i nom mv cross load deviaion I o nom / I o nom 75 - d c regulaion Recovery IEC/EN ms ime α Vo Temperaure V i min V i max ±. ±. ±. ±. ±. %/K coefficien V o / T C I o nom ±. ±. ±. ±.8 ±9.6 mv/k Wih muliple-oupu models, all oupus are loaded wih he nominal curren. Condiion for specified oupu. Wih muliple-oupu models, oher oupu(s) loaded wih consan curren I o nom. See fig. 5 Dynamic load regulaion. Condiion for non-specified oupu, individually esed, oher oupu(s) loaded wih consan curren I o nom. See fig. 5 Dynamic load regulaion. Muliple-oupu models. 5 By suppressor diode. BCD8-G Rev AE, 5-Feb-7 The Power Parners. Page 8 of 6

9 5 Wa DC-DC and AC-DC Converers Oupu Characerisic and Proecion Each oupu is proeced by a suppressor diode, which under wors case condiions may become a shor circui. The suppressor diodes are no designed o wihsand exernally applied overvolages. Overload a any of he oupus will cause a shudown of all oupus. A red LED indicaes an overload condiion a he respecive oupu. V o V o nom..95 I o nom I ol I ol, I ol I o emperaure of surrounding componens and surfaces. T A max is herefore, conrary o T C max, an indicaive value only. Cauion: The insaller mus ensure ha under all operaing condiions T C remains wihin he limis saed in he able Temperaure specificaions. Noes: Sufficien forced cooling or an addiional hea sink allow T A o pass over 7 C, if T C max is no exceeded. For -7 or -9 models a an ambien emperaure T A of 85 C wih only convecion cooling, he maximum permissible curren for each oupu is approx. 5% of is nominal value; see figure 6. A emperaure sensor generaes an inernal inhibi signal disabling he oupus, when he case emperaure exceeds T C max. The oupus auomaically recover, when he emperaure drops below his limi..5 I o,i o I o /I o nom. Forced cooling.5 5a.. I o I o nom.8.6 Convecion cooling 5a T C max Fig.. Typical volage V o versus oupu currens I o.. V o I o /I o nom Vod d V o I Vod Fig. 5 Dynamic load regulaion V o d versus load change. d V o I. µs µs 5a Thermal Consideraions and Proecion If a converer is locaed in free, quasi-saionary air (convecion cooling) a he indicaed maximum ambien emperaure T A max (see able Temperaure specificaions) and is operaed a is nominal inpu volage and oupu power, he emperaure measured a he measuring poin of case emperaure T C (see Mechanical Daa) will approach he indicaed value T C max afer he warm-up phase. However, he relaionship beween T A and T C depends heavily on he condiions of operaion and inegraion ino a sysem. The hermal condiions are influenced by inpu volage, oupu curren, airflow, and Fig. 6 Oupu curren deraing versus emperaure Parallel and Series Connecion T A [ C] Main oupus of equal nominal volage can be conneced in parallel. I is imporan o assure ha he main oupu of a muliple-oupu converer is forced o supply a minimum curren of. A o enable correc operaion of is own auxiliary oupus. In parallel operaion, one or more of he main oupus may operae coninuously in curren limiaion, causing an increase of he case emperaure T C. Consequenly, a reducion of he max. ambien emperaure by K is recommended. Main or auxiliary oupus can be conneced in series wih any oher oupu of he same or anoher converer. In series connecion, he maximum oupu curren is limied by he lowes curren limi. Oupu ripple and regulaion values are added. Connecion wiring should be kep as shor as possible. If oupu erminals are conneced ogeher in order o esablish muli-volage configuraions, e.g., +5. V, ± V ec., he common-ground connecing poin should be as close as possible o he connecors of he converer in order o avoid excessive oupu ripple volages. Noe: Auxiliary oupus should never be conneced in parallel! BCD8-G Rev AE, 5-Feb-7 The Power Parners. Page 9 of 6

10 5 Wa DC-DC and AC-DC Converers Oupu Curren Allocaion for Special Models Oupu currens differing from hose given for sandard models (see Model Selecion) can be provided on reques. A maximum oupu power of 5 W should be considered, if an ambien emperaure range of o 7 C is required. The maximum permissible oupu currens are indicaed in he able below. If he oupu volages are differen from sandard values, he relevan oupu currens have o be adaped accordingly. Wih reduced maximum ambien emperaure or wih forced cooling, he oal oupu power may exceed 5 W. Cusomized configuraions always need o be checked by a feasibiliy sudy firs. Please ask he Company for more informaion. Table 5: Curren allocaion wih special models Oupu volage Oupu Oupu Oupu Oupu Temperaure all ypes all ypes AM LM AM LM AM LM V o// nom [V] I o max [A] I o max [A] I o max [A] I o max [A] T A [ C ] T C [ C] (.5 ).5 o 7 5 o (.8 ).8 5 o 6 5 o (. ). 5 o 5 5 o Special high-curren componens required. V i min has o be increased. Hold-up Time and Oupu Response When he inpu volage is swiched off, he oupu volage will remain high for a cerain hold-up ime h (see fig. 7) before he oupu volage falls below.95 V o nom. To achieve he hold-up imes indicaed in fig. 8, AM, BM, CM, DM, and FM models require an exernal series diode in he inpu line. This is necessary o preven he discharge of he inpu capacior hrough he source impedance or oher circuis conneced o he same source. EM and LM models have a buil-in series diode. In AM, BM, CM, DM, and FM models, no series diode is buil-in, since i would generae addiional power losses inside he converer. Noe: For hold-up ime wih opion V, refer o Opion V. V o /V o nom The behavior of he oupus is similar wih eiher he inpu volage applied or he inhibi swiched low. No oupu volage overshoo occurs, when he converer is urned on or off. h [ms] 5a LM EM CM/DM AM/BM/FM.95 55a. r f Vi h Inhibi Fig. 7 Oupu response imes versus V i or inhibi conrol V i DC. 5 6 V i min DC Fig. 8 Typical hold-up ime h versus inpu volage a I o nom BCD8-G Rev AE, 5-Feb-7 The Power Parners. Page of 6

11 5 Wa DC-DC and AC-DC Converers Table 6: Oupu response ime r and f (see fig. 7). Values no applicable for models equipped wih opion E. Type of converer r a P o = and f a P o = P o nom r and f a P o = / P o nom r a P o = P o nom Uni yp max yp max yp max AM LM-9R 5 5 ms AM LM-9R 5 AM LM5-9R 5 6 AM LM6-9R AM LM9-9R AM LM AM LM AM LM AM LM Condiions: R inpu no conneced. For muliple-oupu models he figures indicaed in he able relae o he oupu, which reacs slowes. All oupus are resisively loaded. Variaion of he inpu volage wihin V i min V i max does no influence he values considerably. Auxiliary Funcions Inhibi The oupus of he converers may be enabled or disabled by means of a logic signal (TTL, CMOS, ec.) applied beween he inhibi inpu i and he negaive pin of oupu (Vo ). In sysems wih several converers, his feaure can be used, for example, o conrol he acivaion sequence of he converers. If he inhibi funcion is no required, connec he inhibi pin o pin o enable he oupus (acive low logic, fail safe). The response imes are specified in able 6. Vi+ 6a Vo+ i I inh V inh Fig. I inh [ma] V inh =.8 V V o = on V inh =. V V o = off 5 6a V inh [V] Vi Vo Typical inhibi curren I inh versus inhibi volage V inh Fig. 9 Definiion of V inh and I inh. Table 7: Inhibi daa Characerisics Condiions min yp max Uni V inh Inhibi inpu volage o keep V o = on V i min V i max 5.8 V oupu volage V o = off T C min T C max. 5 I inh Inhibi curren V inh = 6 µa BCD8-G Rev AE, 5-Feb-7 The Power Parners. Page of 6

12 5 Wa DC-DC and AC-DC Converers R-Conrol for Oupu Volage Adjusmen As a sandard feaure, single-oupu models wihou opion P offer an adjusable oupu volage idenified by leer R in he ype designaion. Noe: Wih open R inpu, V o = V o nom. The oupu volage V o can eiher be adjused by an exernal volage (V ex ) or by an exernal resisor (R ex or R ex ). The adjusmen range is approximaive % of V o nom. For oupu volages V o > V o nom, he minimum inpu volage V i min specified in Elecrical Inpu Daa increases proporionally o V o /V o nom. L N V ref =.5 V Fig. Oupu volage adjusmen + kω Conrol logic JM75 Vo+ R G Vo R ex R ex + V ex a) Adjusmen by means of an exernal resisor R ex. Depending upon he value of he required oupu volage, he resisor shall be conneced: eiher: Beween he R and G pin o achieve an oupu volage adjusmen range of V o o % of V o nom. V R o ex kω V o nom V o or: Beween he R pin and Vo+ o achieve an oupu volage range of V o o % of V o nom. (V o.5 V) R ex kω.5 V (V o /V o nom ) Cauion: To preven damage, R ex should never be less han 7 kω. Noe: R inpus of n converers wih paralleled oupus may be paralleled oo, bu if only one exernal resisor is used, is value should be R ex /n or R ex / n respecively. b) Adjusmen by means of an exernal conrol volage V ex beween G and R pin. The conrol volage range is o.75 V and allows for adjusmen in he range of V o o % of V o nom. V o.5 V V ex V o nom Cauion: The exernal conrol volage should be in he range o + V o preven he converer from damage. Table 8a: R ex for V o < V o nom (condiions: V i nom, I o nom, rounded up o resisor values E 96, R ex is no fied.) V o nom = 5. V V o nom = V V o nom = 5 V V o nom = V V o nom = 8 V V o [V] R ex [kω] V o [V] R ex [kω] V o [V] R ex [kω] V o [V] R ex [kω] V o [V] R ex [kω] Table 8b: R for V o > V o nom (condiions: V i nom, I o nom, rounded up o resisor values E 96, R ex is no fied.) V o nom = 5. V V o nom = V V o nom = 5 V V o nom = V V o nom = 8 V V o [V] R ex [kω] V o [V] R ex [kω] V o [V] R ex [kω] V o [V] R ex [kω] V o [V] R ex [kω] BCD8-G Rev AE, 5-Feb-7 The Power Parners. Page of 6

13 5 Wa DC-DC and AC-DC Converers Display Saus of LEDs V o >.95 o.98 V o adj 6a OK i I o L V i uv V i min V i max V i ov V i abs V i LEDs "OK" and "i" saus versus inpu volage V i Condiions: I o I o nom, T C T C max, V inh.8 V V i uv = undervolage lockou, V i ov = overvolage lockou OK I o L V o >.95 o.98 V o adj V o <.95 o.98 V o adj I o nom I ol I o LEDs "OK" and "I o L " saus versus oupu curren I o Condiions: V i min V i max, T C T C max, V inh.8 V i T C max T PTC hreshold T C LED "i" versus case emperaure Condiions: V i min V i max, I o I o nom, V inh.8 V V inh hreshold i LED "i" versus V inh -5 V +.8 V +. V +5 V V inh Condiions: V i min V i max, I o I o nom, T C T C max LED off Fig. Saus of LEDs. LED saus undefined LED on BCD8-G Rev AE, 5-Feb-7 The Power Parners. Page of 6

14 5 Wa DC-DC and AC-DC Converers Elecromagneic Compaibiliy (EMC) A suppressor diode or a meal oxide VDR (depending upon converer model) ogeher wih an inpu fuse and an inpu filer form an effecive proecion agains high inpu ransien volages, which ypically occur in mos insallaions, bu especially in baery-driven mobile applicaions. The M Series has been successfully esed o he following specificaions: Elecromagneic Immuniy Table 9: Immuniy ype ess Phenomenon Sandard Level Coupling Value Waveform Source Tes In Perf. mode applied imped. procedure oper. cri. Supply relaed RIA A +i/ i.5 V ba // ms. Ω posiive yes A surges B.5 V ba.//. s surge Direc ransiens C i/c, +i/ i 96 V p / µs 5 Ω 5 pos. and 5 neg. yes A D 8 V p 5/5 µs impulses E 6 V p.5/5 µs Ω F 8 V p./ µs G 8 V p.5/. µs Indirec coupled H o/c, +o/ o, o/ i 8 V p 5/5 µs ransiens J 6 V p.5/5 µs K 8 V p./ µs L 8 V p.5/. µs A Elecrosaic IEC/EN 5 conac discharge ± 8 V p /5 ns Ω posiive and yes A discharge pf negaive air discharge ±5 V p (o case) discharges Elecromagneic IEC/EN x 6 anenna V/m AM 8% n.a. 8 o MHz yes A field 6-- khz Elecromagneic ENV 5 7 V/m 5% duy cycle, 9 ±5 MHz yes A field, Hz repeiion pulse modulaed frequency Elecrical fas IEC/EN 8 capaciive, o/c ± V p burss of 5/5 ns 5 Ω 6 s posiive yes A ransien/burs /5 khz over 6 s negaive direc, i/c, +i/ i ± V p 5 ms; burs ransiens per A ± V p period: ms coupling mode B Surge IEC/EN 9 i/c V p./5 µs Ω 5 pos. and 5 neg. yes A i/ i V p Ω surges per Conduced IEC/EN i, o, signal wires VAC AM 8% 5 Ω.5 o 8 MHz yes A disurbances ( dbµv) k Hz Power frequency IEC / EN -- A/m 6 s in all axis yes A magneic field 6--8 i = inpu, o = oupu, c = case A = normal operaion, no deviaion from specs.; B = normal operaion, emporary loss of funcion or deviaion from specs possible RIA covers or exceeds IEC 657- and EN 555:995. Surge D corresponds o EN 555:, waveform A; surge G corresponds o EN 555:, waveform B. Only me wih EM ( V baery) and exended inpu range models (cusomer-specific) of BM ( V baery) and CM (8 V baery). Sandard DK models (7 V baery) are no damaged, bu overvolage lockou will occur during he surge. 5 Exceeds EN 5--:5 able 6. and EN 5-:6 able.. 6 Corresponds o EN 5--:5 able 6. and exceeds EN 5-:6 able.. Valid for version V or higher. 7 Compliance wih digial mobile phones. 8 Corresponds o EN 5--:5 able 5. and EN 5-:6 able.. 9 Covers or exceeds EN 5--:5 able. and EN 5-:6 able.. Corresponds o EN 5--:5 able 5. and EN 5-:6 able. (radio frequency common mode). Perf. crierion B for riple-oupu models. Corresponds o EN 5-:6 able. for AC sysems BCD8-G Rev AE, 5-Feb-7 The Power Parners. Page of 6

15 5 Wa DC-DC and AC-DC Converers Elecromagneic Emissions dbµv PMM 8 PLUS: Peak, conduced Vi+, QP + AV, -8-, :8 h CM6-9ER, U i =6 V, U o = V I o = A dbµv/m 5 TÜV-Divina, ESVS :R&S, BBA 96/UHALP 97:Schwarzb., QP, -8- Tesdisance m, CM6-9ER, U i = 6 VDC, U o = V I o = A EN 55 A 8 EN 55 A (qp) JM 6 EN 55 A (av) <5 dbµv/m JM..5 5 MHz 5 5 MHz Fig. a Typ. conduced disurbances a he inpu (quasi-peak and average) of CM6-9ER according o IEC/EN 55/, measured a V i = 6 VDC and I o nom. Fig. a Typical radiaed emissions of CM6-9ER according o IEC/ EN 55/, normalized o a disance of m, measured a V i = 6 VDC and I o nom. dbµv PMM 8 PLUS: Peak, conduced Vi+, QP + AV, -8-, :8 h CM6-9ER, U i =6 V, U o = V I o = A dbµv/m 5 TÜV-Divina, ESVS :R&S, BBA 96/UHALP 97:Schwarzb., QP, -8- Tesdisance m, LM6-9R, U i = VAC, U o = V I o = A EN 55 A 8 EN 55 A (qp) JM 6 EN 55 A (av) <5 dbµv/m JM MHz 5 5 MHz Fig. b Typ. conduced disurbances a he inpu (quasi-peak and average) of LM6-9R according o IEC/EN 55/, measured a V i = VAC and I o nom. Fig. b Typical radiaed emissions of LM6-9R according o IEC/ EN 55/, normalized o a disance of m, measured a V i = VAC and I o nom. BCD8-G Rev AE, 5-Feb-7 The Power Parners. Page 5 of 6

16 5 Wa DC-DC and AC-DC Converers Immuniy o Environmenal Condiions Table : Mechanical and climaic sress Tes mehod Sandard Tes condiions Saus Db Damp hea es, EN 555:7, clause..5 Temperaure: 55 C and 5 C Converer cyclic IEC/EN Cycles (respiraion effec): no Duraion: h operaing Bd Dry hea es EN 555:7, clause.. Temperaure: 7 C Converer seady sae IEC/EN Duraion: 6 h operaing Ad Cooling es EN 555:7, clause.. Temperaure, duraion C, h Conv. no seady sae IEC/EN Performance es +5 C operaing Kb Sal mis, cyclic IEC/EN Concenraion: 5% ( C) Converer (sodium chloride Duraion: h per cycle no NaCl soluion) Sorage: C, 9% rel. humidiy operaing Sorage duraion: h per cycle, cycles Fc Vibraion IEC/EN Acceleraion ampliude:.5 mm ( 6 Hz) Converer (sinusoidal) MIL-STD-8D secion 5. 5 g n = 9 m/s (6 Hz) operaing Frequency ( Oc/min): Hz Tes duraion: 7.5 h (.5 h each axis) Fda Random vibraion IEC Acceleraion specral densiy:.5 g n /Hz Converer wide band DIN 6 par Frequency band: 5 Hz operaing Reproducibiliy Acceleraion magniude:.9 g n rms high Tes duraion: h ( h each axis) Eb Bump IEC/EN Acceleraion ampliude: g n = 9 m/s Converer (half-sinusoidal) MIL-STD-8D secion 56. Bump duraion: 6 ms operaing Number of bumps: 6 ( each direcion) Ea Shock IEC/EN Acceleraion ampliude: g n = 98 m/s Converer (half-sinusoidal) MIL-STD-8D secion 56. Bump duraion: 6 ms operaing Number of bumps: 8 ( each direcion) -- Shock EN 555:7 clause.., Acceleraion ampliude: 5. g n Converer EN 67 sec., Bump duraion: ms operaing class B, body mouned Number of bumps: 8 ( in each direcion) -- Simulaed long life EN 555:7 clause.., Acceleraion specral densiy:. g n / Hz Converer esing a EN 67 sec. 8 and 9, Frequency band: 5 5 Hz operaing increased random class B, body mouned Acceleraion magniude:.8 g n rms vibraion levels Tes duraion: 5 h (5 h in each axis) Body mouned = chassis of a railway coach Temperaures Table : Temperaure specificaions, valid for an air pressure of 8 hpa (8 mbar) Temperaure -7 (opion) - 9 (sandard) Uni Characerisics Condiions min max min max T A Ambien emperaure Operaional C T C Case emperaure T S Sorage emperaure Non operaional Reliabiliy Table : MTBF Values a specified Converer model Ground benign Ground fixed Ground mobile Device hours Uni case emperaure C C 7 C 5 C MTBF AM LM 5 88 h AM LM AM LM Calculaed in accordance wih MIL-HDBK-7E Saisical values, based on an average of working hours per year in general field use over years BCD8-G Rev AE, 5-Feb-7 The Power Parners. Page 6 of 6

17 5 Wa DC-DC and AC-DC Converers Mechanical Daa Dimensions in mm. European Projecion 5 8 6TE TE ± Mouning holes for connecor reenion clips Male connecor H according o DIN 6 Cauion! Ges ho! Fron plae M ; deph = mm (chassis moun) 9c Main face Rear face ±.5 Measuring poin for case emperauret C 68 Mouning plane of connecor H (.6) 88. ±.8 ( U) ±. 95 ±.5 Back plae OK i Inhibi i (LED red) OK (LED green) Poeniomeer (opion D or V) I ol I ol (LED red) Tes sockes (opion A) Poeniomeer(s) (opion P).5 ±. ø.5 ø. Fig. 5 Case M, weigh 77 g (approx.). Case aluminum, black finish and self cooling. Noe: Long case, elongaed by 6 mm for mm rack deph, is available on reques. BCD8-G Rev AE, 5-Feb-7 The Power Parners. Page 7 of 6

18 5 Wa DC-DC and AC-DC Converers Safey and Insallaion Insrucions Connecor Pin Allocaion Cauion! Ges ho! 5a Pin no. 6 (proecive earh) is a leading pin, ensuring ha i makes conac wih he female connecor firs Table : Pin allocaion Elecrical deerminaion AM LM AM LM AM LM Fig. 6 View of male H connecor. Pin Iden Pin Iden Pin Iden Inhibi i i i Safe Daa or ACFAIL 5 5 D or V 5 5 D or V 5 5 D or V Oupu volage (posiive) 8 Vo+ 8 n.c. 8 Vo+ Oupu volage (negaive) Vo n.c. Vo Volage adjus R Adjus reurn 7 G Oupu volage (posiive) Vo+ Vo+ Oupu volage (negaive) 7 Vo 7 Vo Oupu volage (posiive) Vo+ Vo+ Vo+ Oupu volage (negaive) Vo Vo Vo Proecive earh PE DC inpu volage 9 Vi+ 9 Vi+ 9 Vi+ DC inpu volage Vi Vi Vi AC inpu volage 9 N 9 N 9 N AC inpu volage L L L No conneced if opion P is fied Leading pin AM, BM, CM, DM, EM, and FM models LM models 5 No conneced if opion neiher opion D or V is fied Insallaion Insrucions All M Series converers are componens, inended exclusively for inclusion wihin oher equipmen by professional insallers. Insallaion mus sricly follow he naional safey regulaions in compliance wih he enclosure, mouning, creepage, clearance, casualy, markings and segregaion requiremens of he end-use applicaion. Connecion o he sysem shall be made via he female connecor H. Oher insallaion mehods may no mee he safey requiremens. The converers are provided wih he leading pin 6 ( ), which is reliably conneced wih he case. For safey reasons, i is essenial o connec pin 6 wih he proecive earh of he supply sysem. An inpu fuse is conneced in he line o pin (Vi or L ). Since his fuse is designed o proec he converer in case of an overcurren and does no necessarily cover all cusomer needs, an exernal fuse suiable for he applicaion and in compliance wih he local requiremens may be necessary in he wiring o one or boh inpu pins (no. 9 and/or no. ), paricularly if he phase or neural line canno be assigned o he corresponding erminals (LM models operaed wih AC). Imporan: Whenever he inhibi funcion is no in use, pin (i) should be conneced o pin (Vo ) o enable he oupu(s). Cauion: Do no open he converers, or warrany will be invalidaed. Make sure ha here is sufficien air flow possible for convecion cooling. This should be verified by measuring he case emperaure T C, when he converer is insalled and operaed in he end-use applicaion. The maximum specified case emperaure T C max shall no be exceeded. See also Thermal Consideraions. Operaion of LM Models a Greaer han 6 Hz In such a case, he converers may exceed he leakage curren of.5 ma imposed in he safey sandards. A warning marking is required in he enduse produc. Proecion Degree and Cleaning Liquids Condiion: Female connecor fied o he converer. IP : All models, excep hose wih opions P or A, and excep hose wih opion D/V wih poeniomeer. IP : All models fied wih opions A or opion D/V wihou poeniomeer. IP : All models fied wih opion P or wih opion D/V wih poeniomeer. In order o avoid possible damage, any peneraion of liquids (e.g., cleaning fluids) has o be avoided. Railway Applicaions The M Series converers have been designed observing he railway sandards EN 555 and EN 5. All boards are coaed wih a proecion lacquer. Sandards and Approvals The converers correspond o class I equipmen and have been approved according o he sandards IEC/EN 695- and UL/ CSA 695- nd Ed. The converers have been evaluaed for: Class I equipmen Building in Basic insulaion beween inpu and case and double or reinforced insulaion beween inpu and oupu, based on BCD8-G Rev AE, 5-Feb-7 The Power Parners. Page 8 of 6

19 5 Wa DC-DC and AC-DC Converers Table : Isolaion Characerisic Inpu o case Oupu(s) o Oupu(s) o Oupu o Uni and oupu(s) case (sandard) case (opion H) oupu Elecric Facory es > s kvdc srengh AC es volage equivalen es o facory es.... kvac Insulaion resisance a 5 VDC > > > > MΩ Creepage disances mm According o IEC/EN 695, subassemblies connecing inpu o oupu are pre-esed wih 5.6 kvdc or kvac. Tesed a VDC Inpu o oupus: 6. mm he inpu volage of 5 VAC or VDC Funcional insulaion beween oupu(s) and case Funcional insulaion beween he oupus Polluion degree environmen Overvolage caegory II Aliude up o m The converers are subjec o manufacuring surveillance in accordance wih he above menioned sandards and wih ISO 9:8. Isolaion The elecric srengh es is performed in he facory as rouine es in accordance wih EN 55 and IEC/EN 695. The company will no honor any warrany claims resuling from incorrecly execued elecric srengh field ess. Safey of Operaor-Accessible Oupu Circuis If he oupu circui of a DC-DC converer is operaoraccessible, i shall be an SELV circui according o he IEC/EN 695 safey sandards. Since he M Series converers provide double or reinforced insulaion beween inpu and oupu based upon a raed primary inpu volage of 5 VAC or VDC, only funcional insulaion is needed beween he AC mains and he inpu of he converer. Only volage adapion and recificaion o he specified inpu volage range of a DC/DC converer is needed. Table 5 shows a possible insallaion configuraion, compliance wih which causes he oupu circui of he DC-DC converer o be an SELV circui according o IEC/EN 695 up o a configured oupu volage (sum of nominal volages if in series or +/ configuraion) of 8 V. However, i is he sole responsibiliy of he insaller o assure he compliance wih he relevan and applicable safey regulaions. Max. 5 VAC or VDC 8a ~ + AC-DC + Fuse DC-DC Mains fron Baery converer SELV end Fuse ~ Fig. 7 Schemaic safey concep Max. 5 VAC or VDC Earh connecion Table 5: Safey concep leading o an SELV oupu circui Condiions Fron end DC-DC converer Resul Nominal Minimum required grade Maximum raed Minimum required Equip- Measures o achieve he Safey saus supply of insulaion, o be pro- DC oupu volage safey saus of he men specified safey saus of of he DC-DC volage vided by he AC-DC fron from he fron end fron end oupu he oupu circui converer end, including mains circui oupu circui supplied baery charger Mains Operaional (i.e. here is VDC (The Primary circui A LM Double or reinforced SELV circui 5 VAC no need for elecrical raed volage insulaion, based on isolaion beween he beween any inpu 5 VAC and VDC mains supply volage and pin and earh can (provided by he DC-DC hedc-dc converer be up o 5 VAC converer) and earhed inpu volage) or VDC.) case The fron end oupu volage should mach he specified operaing inpu volage range of he DC-DC converer. The earh connecion has o be provided by he insaller according o he safey sandard IEC/EN 695. BCD8-G Rev AE, 5-Feb-7 The Power Parners. Page 9 of 6

20 5 Wa DC-DC and AC-DC Converers Descripion of Opions Table 6: Survey of opions Opion Funcion of opion Characerisic -7 Former sandard operaional ambien emperaure range T A = 5 o 7 C A Tes sockes a fron panel for check of oupu volage V o inernally measured a he connecor erminals E Elecronic inrush curren limiaion circuiry Acive inrush curren limiaion, only for CM, EM, LM models P Poeniomeer for fine adjusmen of oupu volage Adjusmen range ±5% of V o nom, excludes R inpu F Inpu fuse buil-in Fuse no exernally accessible, only for FM H Enhanced oupu o case elecric srengh es volage See able Isolaion D Inpu and/or oupu undervolage monioring circuiry Safe daa signal oupu (D D9) V Inpu and/or oupu undervolage monioring circuiry ACFAIL signal according o VME specificaions (V, V, V) K Coding srip a he connecor Ensuring correc populaion of DIN-racks G RoHS RoHS-compaible for all six subsances Models equipped wih opion P do no provide he R funcion; pins and 7 are no conneced. Opion D excludes opion V and vice versa. Only available if main oupu volage V o = 5. V Table 7: Configuraion of opion A and opion P Type of opion AM LM AM LM AM LM Oupu Oupu Oupu Oupu Oupu Oupu Poeniomeer yes yes yes yes no no Tes sockes yes yes yes yes no no Models equipped wih opion P do no provide he R funcion; pins and 7 are no conneced. -7 Former Sandard Temperaure Range Opion -7 says for he operaional ambien emperaure range from 5 o 7 C, which may be preferred by some cusomers for reasons of documenaion or approvals. A Tes Sockes Tes sockes (pin Ø = mm, disance d = 5.8 mm) are locaed a he fron of he converer. The oupu volage is sensed a he connecor pins inside of he converer. Oupus and of ripleoupu models are no sensed. P Poeniomeer Buil-in muli-urn poeniomeers provide an oupu volage adjusmen range of minimum ±5% of V o nom and are accessible hrough holes in he fron cover. Compensaion of volage drop across connecor and wiring becomes easily achievable. For oupu volages V o > V o nom, he minimum inpu volage according o Elecrical Inpu Daa increases proporionally o V o /V o nom. Triple-oupu models allow only he adjusmen of V o. Noe: Poeniomeers are no recommended for mobile applicaions. E Elecronic Inrush Curren Limiaion Available for CM, EM and LM models. The sandard version of he models CM, DM, EM and LM include a passive inrush curren limiaion wih an NTC resisor. For applicaions requiring an improved inrush curren limiaion, an acive elecronic circui as shown in fig.8 has been developed. Typical inrush curren waveforms of unis equipped wih his opion are shown below. CM models mee he CEPT/ETSI sandards for 8 V supply volage according o ETS -, if fied wih opion E combined wih opion D6 (inpu volage monioring). Opion D6, exernally adjusable via poeniomeer, is necessary o disable he converer a inpu volages below he acual service ranges, avoiding an excessive inpu curren when he inpu volage is raised slowly according o ETS -. Opion D6 hreshold level V i + V hi (refer o descripion of opion D) should be adjused o 6.5 V for 8 V nominal supply volage (for 6 V sysems, hreshold should be se o 5 V). The D oupu (pin 5) should be conneced o he inhibi (pin ). For applicaions, where poeniomeers are no allowed, refer o opion D9. Inpu filer Recifier (LM models) Fig. 8 Opion E block diagram Conrol logic R S FET R I C i 8a Converer BCD8-G Rev AE, 5-Feb-7 The Power Parners. Page of 6

21 5 Wa DC-DC and AC-DC Converers Table 8: Inrush curren characerisics wih opion E Characerisic CM EM, LM EM, LM Uni a V i = VDC a V i = VDC a V i = 7 VDC yp max yp max yp max I inr p Peak inrush curren A inr Inrush curren duraion ms I i [A] 8 6 CM a VDC EM, LM a 7 VDC EM, LM a VDC inr Fig. 9 Typical inrush curren waveforms of CM, EM, and LM converers wih opion E inr Normal operaion: FET fully conducing 9a I i = P o /(V i η) [ms] Precauions: In order o avoid overload of he series resisor R I, he on/off swiching cycle should be limied o s, if swiched on/off coninuously. There should no be more han sar-up cycles wihin s a a case emperaure of 5 C. If CM models are driven by inpu volages below 5 VDC or LM models below VAC, he maximum case emperaure should be deraed by C, or he oal oupu power should be deraed by %. EM and LM models driven Table 9: Undervolage monior funcions by DC inpu volages do no need o be deraed wihin he full specified inpu volage range. F Fuse No Accessible Sandard M converers have a fuseholder conaining a 5 mm fuse, which is exernally accessible and locaed in he back plae near o he connecor. Some applicaions require an inaccessible fuse. Opion F provides a fuse mouned direcly ono he main PCB inside he case (only FM). The full self-proecing funcions of he converer do normally no lead o a broken fuse, excep as a resul of inverse polariy a he inpu of an AM, BM, CM, DM, or FM models, or if a power componen inside fails. In such cases he defecive converer mus be reurned o he Company for repair. H Enhanced Elecric Srengh Tes Elecric srengh es oupu o case; see able Isolaion. D Undervolage Monior The inpu and/or oupu undervolage monior operaes independenly of he buil-in inpu undervolage lock-ou circui. A logic "low" (JFET oupu) or "high" signal (NPN oupu) is generaed a pin 5, when one of he moniored volages drops below he preseleced hreshold level V. The reurn for his signal is Vo (pin ). The D oupu recovers, when he moniored volage(s) exceed(s) V + V h. The hreshold level V is eiher adjusable by a poeniomeer accessible hrough a hole in he fron cover, or adjused in he facory o a fixed value specified by he cusomer. Opion D exiss in various versions D D9, as shown in he able below: Oupu ype Monioring Minimum adjusmen range Typical hyseresis V h [% of V ] JFET NPN V i V o of hreshold level V for V min V max V i V o V hi V ho D D5 no yes.5 V 8 V. D D6 yes no V i min V i max..5 D D7 yes yes V i min V i max V o..5 "" D D8 no yes V o "" D D9 no yes.5 V 8 V.8 yes no V i min V i max.. yes yes V i min V i max V o.. Threshold level adjusable by poeniomeer (no recommended for mobile applicaions) Fixed value beween 95% and 98% of V o (racking) Fixed value, resisor-adjused according o cusomer's specificaion ±% a 5 C; individual ype number is deermined by he company. Adjused a I o nom BCD8-G Rev AE, 5-Feb-7 The Power Parners. Page of 6

22 5 Wa DC-DC and AC-DC Converers JFET oupu (D D): Connecor pin D is inernally conneced via he drain-source pah of a JFET (self-conducing ype) o he negaive poenial of oupu. V D. V (logic low) corresponds o a moniored volage level (V i and/or V o ) < V. The curren I D hrough he JFET should no exceed.5 ma. The JFET is proeced by a.5 W Zener diode of 8. V agains exernal overvolages. V i, V o saus V i or V o < V V i and V o > V + V h D oupu, V D low, L, V D. V a I D =.5 ma high, H, I D 5 µ A a V D = 5.5 V Threshold olerances and hyseresis: If V i is moniored, he inernal inpu volage afer he inpu filer and recifier (EM and LM ypes) is measured. Consequenly, his volage differs from he volage a he connecor pins by he volage drop V i across inpu filer and recifier. The hreshold level of he D and D9 opions is adjused in he facory a nominal oupu curren I o nom and T A = 5 C. The value of V i depends upon inpu volage range (AM, BM, ec.), hreshold level V, emperaure, and inpu curren. V D V i V hi a NPN oupu (D5 D9): V D high Connecor pin D is inernally conneced via he collecoremier pah of a NPN ransisor o he negaive poenial of oupu. V D. V (logic low) corresponds o a moniored volage level (V i and/or V o ) > V + V h. The curren I D hrough he open collecor should no exceed ma. The NPN oupu is no proeced agains exernal overvolages. V D should no exceed V. V D low P o = V i P o = P o nom P o = P o = P o nom V i V i, V o saus V i or V o < V V i and V o > V + V h D oupu, V D high, H, I D 5 µa a V D = V low, L, V D. V a I D = ma Fig. Definiion of V i, V i, and V hi (JFET oupu) 6 Vo+ I D R p Inpu D V D Vo Fig. Opions D D, JFET oupu 7a Vo+ R p Inpu D I D V D Vo Fig. Opions D5 D9, NPN oupu BCD8-G Rev AE, 5-Feb-7 The Power Parners. Page of 6

23 5 Wa DC-DC and AC-DC Converers Inpu volage monioring NPN V D V D high V D low I D I D high 8a I D low JFET V D V D high V D low h low min low min low min high min V o V o nom.95 h V i [V DC] V i + V hi V i Inpu volage failure Swich-on cycle Inpu volage sag Swich-on cycle and subsequen Oupu volage monioring inpu volage failure NPN V D V D high V D low I D I D high JFET I D low V D Fig. V D high V D low V o V o nom low min Relaionship beween V i, V o, V D, I D, and V o /V o nom versus ime. See Elecrical Oupu Daa for hold-up ime. Wih oupu volage monioring he hold-up ime h = V o +V ho V o Oupu volage failure The D signal remains high, if he D oupu is conneced o an exernal source. low min = ms, ypically 8 ms V ACFAIL Signal (VME) Available for converers wih V o = 5. V. This opion defines an undervolage monioring circui for he inpu or he inpu and main oupu volage equivalen o opion D and generaes he ACFAIL signal (V signal), which conforms o he VME sandard. The low sae level of he ACFAIL signal is specified a a sink curren of I V = 8 ma o V V.6 V (open-collecor oupu). The pull-up resisor feeding he open-collecor oupu should be placed on he VME backplane. Afer he ACFAIL signal has gone low, he VME sandard requires a hold-up ime h of a leas ms before he 5. V oupu drops o.875 V, when he 5. V oupu is fully loaded. This hold-up ime h is provided by he inernal inpu capaciance. Consequenly he working inpu volage and he BCD8-G Rev AE, 5-Feb-7 The Power Parners. Page of 6

24 5 Wa DC-DC and AC-DC Converers hreshold level V i should be adequaely above he minimum inpu volage V i min of he converer, so ha enough energy is remaining in he inpu capaciance. If he inpu volage is below he required level, an exernal hold-up capacior (C i ex ) should be added. Formula for hreshold level for desired value of h : P o ( h +. ms) V i = + V i min C i min η Formula for addiional exernal inpu capacior P o ( h +. ms) C i ex = C i min η (V i V i min ) whereas: C i min = minimum inernal inpu capaciance [mf], according o he able below C i ex = exernal inpu capaciance [mf] P o = oupu power [W] η = efficiency [%] h = hold-up ime [ms] V i min = minimum inpu volage [V] V i = hreshold level [V] Noes: The hreshold level V i of opion V and V is adjused in he facory o a value according o he able below. A decoupling diode should be conneced in series wih he inpu of AM, BM, CM, DM, and FM converers o avoid he inpu capaciance discharging hrough oher loads conneced o he same source volage. If LM models are powered by AC, an exernal inpu capacior canno be applied unless an addiional recifier is provided. Table : Available inernal inpu capaciance and facory poeniomeer seing of U i wih resuling hold-up ime Types AM BM CM DM EM FM LM Uni C i min mf V i VDC h ms Opion V operaes independenly of he buil-in inpu undervolage lockou circui. A logic "low" signal is generaed a pin 5 as soon as one of he moniored volages drops below he preseleced hreshold level V. The reurn for his signal is Vo (pin ). The V oupu recovers, when he moniored volage exceeds V + V h. The hreshold level V is eiher adjusable by a poeniomeer, accessible hrough a hole in he fron cover, or adjused in he facory o a deermined cusomer-specific value. Versions V, V and V are available as shown below. Table : Undervolage monior funcions V oupu Monioring Minimum adjusmen range Typical hyseresis U h [% of V ] (VME compaible) of hreshold level V for V min V max V i V o V i V o V hi V ho V yes no V i min V i max..5 - V yes yes V i min V i max V o..5 "" V yes no V i min V i max yes yes V i min V i max V o.. "" Threshold level adjusable by poeniomeer (no recommended for mobile applicaions). Fixed value beween 95% and 98% of V o (racking), oupu undervolage monioring is no a requiremen of VME sandard. Adjused a I o nom. Fixed value, resisor-adjused (±%) acc. o cusomer's specificaions; individual ype designaion is deermined by he company. V oupu (V, V, V): Connecor pin V is inernally conneced o he open collecor of a NPN ransisor. The emier is conneced o he negaive poenial of oupu. V V -.6 V (logic low) corresponds o a moniored volage level (V i and/or V o ) < U. The curren I V hrough he open collecor should no exceed 5 ma. The NPN oupu is no proeced agains exernal overvolages. V V should no exceed 8 V. Inpu 9a Vo+ I V V V V R p V i, V o saus V i or V o < V V i and V o > V + V h V oupu, V V low, L, V V.6 V a I V = 5 ma high, H, I V 5 µa a V V = 5. V Fig. Oupu configuraion of opions V, V, V Vo BCD8-G Rev AE, 5-Feb-7 The Power Parners. Page of 6

25 5 Wa DC-DC and AC-DC Converers Threshold olerances and hyseresis: V V V i V hi a V i is moniored afer he inpu filer and recifier (EM and LM models). Consequenly, his volage differs from he volage a he connecor pins by he volage drop V i across inpu filer and recifier. The hreshold level of opion V is facoryadjused a I o nom and T A = 5 C. V i depends upon he inpu volage range (AM, BM,...), hreshold level V i, emperaure, and inpu curren. V V high V V low P o = P o = P o nom P o = P o = P o nom Fig. 5 V i V i Definiion of V i, V i and V hi Inpu volage monioring V V V U V high low min low min low min a V V low V V V V V high low min low min V V low V o 5. V.875 V h h. V V i [VDC] V i + V hi V i Inpu volage failure Swich-on cycle Inpu volage sag Swich-on cycle and subsequen inpu volage failure Oupu volage monioring V V V Fig. 6 V V high Relaionship beween V i, V o, V V, I V, and V o /V o nom V V low versus ime. VME reques: minimum ms V V low min low min = ms, ypically 8 ms V V V high V V level no defined a V o <. V The V signal drops simulaneously wih he oupu volage, if he pull-up resisor R V P is conneced o Vo+. The V signal V low remains high, if R P is conneced o an exernal source. V o 5. V.875 V. V K Coding Srip A plasic par across he connecor ensures correc populaion of he DIN-rack. V i V i + V hi G RoHS V i RoHS-compaible for all six subsances. Oupu volage failure BCD8-G Rev AE, 5-Feb-7 The Power Parners. Page 5 of 6

26 5 Wa DC-DC and AC-DC Converers Accessories A grea variey of elecrical and mechanical accessories are available including: Various maing H connecors including solder, fas-on, or press-fi erminals Pair of connecor reenion clips HZZ 9-G Code key sysem: 5 coding wedges HZZ-G Various fron panels for 9" rack mouning Flexible H PCB board HZZ 8-G for connecing wih a moher board Universal mouning bracke UMB-LHMQ (HZZ6-G) for chassis or DIN-rail mouning in uprigh posiion. DIN-rail mouning brackes DMB-MHQ (HZZ69-G) Mouning plae M (HZZ 8) for chassis or a wall mouning, where only fronal access is given Baery sensor [S-KSMH...] for using he converer as baery charger (differen cell characerisics). For addiional accessory produc informaion, see he accessory daa shees lised wih each produc series or individual model a our web sie. l l: m sandard lengh oher cable lenghs on reques Baery emperaure sensor S-KSMH adhesive ape European Projecion Flexible H PCB HZZ8-G Pair of connecor reenion clips HZZ9-G DIN-rail mouning brackes DMB-MHQ (HZZ69-G) Mouning plae M (HZ Z ), connecor wih fas-on erminals (HZ Z -G), secured wih reenion clips (HZZ 9-G) Universal mouning bracke for DIN-rail mouning (HZ Z 6-G) Differen fron panels NUCLEAR AND MEDICAL APPLICATIONS - These producs are no designed or inended for use as criical componens in life suppor sysems, equipmen used in hazardous environmens, or nuclear conrol sysems. TECHNICAL REVISIONS - The appearance of producs, including safey agency cerificaions picured on labels, may change depending on he dae manufacured. Specificaions are subjec o change wihou noice. Copyrigh 7, Bel Power Soluions Inc. All righs reserved. BCD8-G Rev AE, 5-Feb-7 The Power Parners. Page 6 of 6

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