board mountable dc-dc converters iml 10 series edition 4/04.2001 1/5 10 watt dc-dc converters iml 10 series electrical isolation, single and double output units immunity to iec/en 61000-4-2, -3, -4, -5 and -6 high efficiency (typ. 84%) flex power: flexible load distribution no load and short-circuit proof high reliability and no derating operating ambient temperature range 25...60 c 2" 1" case with 10.5 mm profile supplementary insulation safety according to iec/en 60950, ul 1950 summary the iml10 series of board mountable 10 watt dc-dc con- verters has been designed according to the latest industry requirements and standards. the converters are particu- larly suitable for use in controlled environments, in battery supported applications in industry or telecommunications where high power densitiy and outstanding reliability are required. providing 2 input voltage ranges, 18...36 and 36...75 v dc, the units are available with single and electrically isolated double outputs allowing the configuration of output voltages from 5 up to 30 v dc, with flexible load distribution on dou- ble output units. features include efficient input and output filtering with transient and surge protection, low output rip- ple and noise, consistently high efficiency over the entire input voltage range, high reliability as well as excellent dy- namic response to load and line changes. the converters provide supplementary insulation with selv outputs as e.g. required in battery supported systems where the bus voltage may exceed the selv limit of 60 v dc. they are designed and built according to the inter- national safety standards iec/en 60950, ul 1950, can/ csa c22.2 no.950-95 and are lga and ul marked. ap- provals pending. a special feature is their small case size, 2" 1" with 10.5 mm profile. the circuit comprises of integrated planar magnetics and all components are automatically assem- bled and solidly soldered onto a single pcb without any wire connections. magnetic feedback ensures maximum reliability and repeatability in the control loop over all oper- ating conditions. high efficiency, low heat dissipation and careful considerations of possible thermal stresses ensure the absence of hot spots providing high reliability. the ther- mal design allows operation at full load up to an ambient temperature of 60 c in free air without using any potting material. optionally the iml 10 series is available as an open frame unit or with the industrial c pinout. 50.8 2.0" 25.4 1.0" 10.5 0.42" table of contents page summary .......................................................................... 1 type survey and key data .............................................. 2 type key .......................................................................... 2 mechanical data .............................................................. 3 page safety and installation instructions .................................. 4 description of options ...................................................... 5 accessories ...................................................................... 5 wide input voltage ranges up to 75 v dc 1 or 2 outputs up to 30 v dc 1500 v dc i/o electric strength test voltage lga
board mountable dc-dc converters iml 10 series edition 4/04.2001 2/5 type key 24 iml 10 - 12 - 12 -3 c z input voltage range u i 14...36 v dc .............................................. 24 36...75 v dc .............................................. 48 series ...................................................................... iml 10 output voltage for output 1 ................................ 05, 12, 15 dash: designates double output unit with two indepen- dent electrically isolated outputs ................... - 1 output voltage for output 2 ....................................... 12, 15 operating ambient temperature range t a 25...60 c .................................................. -3 options: c-pinout ...................................................... c open frame .................................................. z 1 not applicable for -0503 models and option c. for delivery lead times contact factory. some types require a minimum order quantity. examples: 48 iml 10-15-15-3: dc-dc converter, input voltage range 36...75 v, 2 electrically isolated outputs each pro- viding 15 v, 0.33 a, surface mount version. 24 iml 10-1212-3c: dc-dc converter, input voltage range 18...36 v, c-pinout with outputs 12 v, 0.45 a. type survey and key data table 1: type survey output 1 output 2 output input voltage efficiency type options u o nom i o nom 1 u o nom i o nom 1 power u i min ... u i max h typ designation 2 [v dc] [a] [v dc] [a] p o nom [w] [v dc] [%] 3.3 2 - - 6.6 18...36 81 24 iml 10-03-3 c, z 3.3 2 - - 6.6 36...75 82 48 iml 10-03-3 c, z 5 1.9 - - 9.5 18...36 81 24 iml 10-05-3 c, z 5 1.9 - - 9.5 36...75 82 48 iml 10-05-3 c, z 12 0.9 - - 10.8 18...36 84 24 iml 10-12-3c 12 0.9 - - 10.8 36...75 84 48 iml 10-12-3c 15 0.7 - - 10.5 18...36 84 24 iml 10-15-3c 15 0.7 - - 10.5 36...75 84 48 iml 10-15-3c 5.1 1 3.3 1 8.8 36...75 80 48 iml 10-0503-3 c, z 12 0.45 12 0.45 10.8 18...36 84 24 iml 10-12-12-3 c, z 12 0.45 12 0.45 10.8 36...75 84 48 iml 10-12-12-3 c, z 15 0.35 15 0.35 10.5 18...36 84 24 iml 10-15-15-3 c, z 15 0.35 15 0.35 10.5 36...75 84 48 iml 10-15-15-3 c, z 1 flexible load distribution on double outputs possible up to 75% of the total output power p o nom on one of the 2 outputs. the other output should not exceed the difference to the total output power p o nom . 2 for availability contact power-one.
board mountable dc-dc converters iml 10 series edition 4/04.2001 3/5 mechanical data dimensions in mm. tolerances 0.3 mm unless otherwise indicated. fig. 1 case iml 10 with standard soldering pins weight: <20 g european projection fig. 2 case iml 10 with c pinout (option c) for double output units, pins 6 and 7 are not fitted. with single output units pins 4, 6 and 7 are not fitted. weight: <24 g 50.8 (2") 3.81(0.15") 3.81(0.15") 3.81(0.15") 5 x 3.81 (0.15") 20.3 (0.8") 3 x 5.08 (0.2") pt 2.2 self tapping screws 1 4 10 14 0.8 1.2 (0.03 x 0.05") pins ? 1.6 (0.06) pcb holes 3.4 (0.13") 45.7 (1.8") 25.4 (1") 4.6 (0.18") s09030 measuring point of case temperature t c 0.8 (0.3") 09032 3.4 (0.13") 35.5 (1.4") 15.2 (0.6") 25.4 (1") 5.8 (0.2") 1 2 3 4 5 ? 1 (0.04") pins ? 1.2 (0.05") pcb holes 0.5(0.02") 50.8 (2") measuring point of case temperature t c 12.5 (0.49") 20.3 (0.8") ? 1(0.04") 43.2 (1.7") s90002 48 (1.9") 5 x 3.81 (0.15") 1.27 (0.05") 23 (0.9") 8.25 (0.32") 3 x 5.08 (0.2") 1 4 10 14 3.5 (0.14") 0.8 (0.3") 0.8 1.2 (0.03 x 0.05") pins ? 1.6 (0.06) pcb holes fig. 3 open frame weight: <20 g
board mountable dc-dc converters iml 10 series edition 4/04.2001 4/5 safety and installation instructions table 2: pin allocation iml pin single output 0503 types double outputs 1 vi+ vi+ vi+ 2vi vi vi 3 n.c. n.c. n.c. 4 n.c. n.c. n.c. 10 vo go vo1 11 vo+ vo1+ vo1+ 12 vo go vo2 13 n.c. vo2+ vo2+ 14 n.c. n.c. n.c. table 3: c pinout (option c) pin single output dual output 1vi+ vi+ 2vi vi 3vo+ vo+ 4 no pin go 5vo vo installation instruction installation of the dc-dc converters must strictly follow the national safety regulations in compliance with the enclo- sure, mounting, creepage, clearance, casualty, markings and segregation requirements of the end-use application. connection to the system shall be made via a printed circuit board according to: mechanical data . the units should be connected to a secondary circuit. check for hazardous voltages before altering any connec- tions. do not open the module. ensure that a unit failure (e.g. by an internal short-circuit) does not result in a hazardous condition. see also: safety of operator accessible output circuit. input fuse to prevent excessive current flowing through the input sup- ply line in case of a short-circuit across the converter input an external fuse should be installed in a non earthed input supply line. we recommend a fast acting fuse f2a for 24 iml 10 types and f1a for 48 iml 10 types. cleaning agents in order to avoid possible damage, any penetration of cleaning fluids has to be prevented, since the power sup- plies are not hermetically sealed. standards and approvals all dc-dc converters are pending to be ul recognized ac- cording to ul 1950, ul recognized for canada to can/ csa c22.2 no. 950-95 and lga approved to iec/en 60950 standards. the units have been evaluated for: building in supplementary insulation input to output, based on their maximum input voltage the use in a pollution degree 2 environment connecting the input to a secondary circuit which is sub- ject to a maximum transient rating of 1500 v the dc-dc converters are subject to manufacturing sur- veillance in accordance with the above mentioned ul, csa, en and iso 9001 standards. isolation the electric strength test is performed as factory test in ac- cordance with iec/en 60950 and ul 1950 and should not be repeated in the field. power-one will not honour any guarantee claims resulting from electric strength field tests. table 4: electric strength test voltages, clearance and creepage distances characteristic i/o o/o unit electric strength 1.2 0.1 kv rms test voltage 1 s 1.5 0.15 kv dc coupling capacitance 1.2 - nf isulation resistance >100 - m ? at 500 v dc partial discharge consult - kv extinction voltage factory protection degree the protection degree of the dc-dc converters is ip 30. safety of operator accessible output circuit if the output circuit of a dc-dc converter is operator acces- sible, it shall be an selv circuit according to iec/en 60950 related safety standards the insulation concept table below shows some possible installation configurations, compliance with which causes the output circuit of the dc-dc converter to be an selv cir- cuit according to iec/en 60950 up to a configured output voltage (sum of nominal voltages if in series or +/ configu- ration) of 30 v. however, it is the sole responsibility of the installer to en- sure the compliance with the relevant and applicable safety regulations. more information is given in: technical infor- mation: safety .
board mountable dc-dc converters iml 10 series edition 4/04.2001 5/5 ac-dc front end dc-dc con- verter mains fuse battery earth connection suppressor diode selv earth connection + ~ ~ 10004 fig. 4 schematic safety concept. use fuse, suppressor diode and earth connection as per table: safety concept leading to an selv output circuit . table 5: insulation concept leading to an selv output circuit conditions front end dc-dc converter result supply minimum required grade maximum minimum required safety measures to achieve the safety status of voltage of isolation, to be provided dc output status of the front end specified safety status of the the dc-dc by the ac-dc front end, voltage output circuit output circuit converter output including mains supplied from the circuit battery charger front end 1 mains basic 60 v earthed selv circuit 2 operational insulation, pro- selv circuit 250 v ac vided by the dc-dc converter elv circuit input fuse 3 output suppressor earthed selv >60 v hazardous voltage diode(s) 4 , and earthed circuit secondary circuit output circuit(s) 2 double or reinforced 60 v selv circuit operational insulation, pro- selv circuit vided by the dc-dc converter >60 v tnv-2 circuit supplementary insulation, double or reinforced insu- based on the maximum input lated unearthed hazardous voltage, provided by the voltage secondary circuit 5 dc-dc converter 1 the front end output voltage should match the specified input voltage range of the dc-dc converter. 2 the earth connection has to be provided by the installer according to the relevant safety standard, e.g. iec/en 60950. 3 the installer shall provide an approved fuse (type with the lowest rating suitable for the application) in the non-earthed inpu t line di- rectly at the input of the dc-dc converter (see fig.: schematic safety concept ). for ul s purpose, the fuse needs to be ul-listed. see also: input fuse . 4 each suppressor diode should be dimensioned in such a way, that in the case of an insulation fault the diode is able to limit t he output voltage to selv (<60 v) until the input fuse blows (see fig.: schematic safety concept ). 5 has to be insulated from earth by basic insulation according to the relevant safety standard, based on the maximum output volta ge from the front end. accessories mounting supports for chassis and din-rail mounting. option c the c-pinout configures the electrically isolated double out- puts to the "industrial pinout" vo1+, vo2 with common ground go. with the c-pinout the converter height is in- creased by the adapter pcb (see also: mechanical data ). description of options table 6: survey of options option function of option c c-pinout z open frame
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