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board mountable dc-dc converters ims 15 series edition 1/02.2002 1/14 15 watt dc-dc converters ims 15 series wide input voltage ranges up to 75 v dc 1 or 2 outputs up to 48 v dc 1500 v dc i/o electric strength test voltage electrical isolation, also between outputs emissions below en 55022, level b immunity to iec/en 61000-4-2,-3,-4,-5 and -6 high efficiency (typ. 86%) input undervoltage lock-out shut down input, output voltages adjustable flex power: flexible load distribution on outputs outputs no-load, overload and short-circuit proof operating ambient temperature ?5...71 c thermal protection 2" 1.6" case with 10.5 mm profile supplementary insulation table of contents page summary .......................................................................... 1 type survey and key data .............................................. 2 type key and product marking ........................................ 2 functional description ...................................................... 3 electrical input data ......................................................... 4 electrical ouput data ....................................................... 5 page auxiliary functions ........................................................... 8 electromagnetic compatibility (emc) .............................. 9 immunity to environmental conditions ........................... 10 mechanical data ............................................................ 11 safety and installation instructions ................................ 12 description of option ..................................................... 14 summary the ims 15 series of board mountable 15 watt dc-dc con- verters has been designed according to the latest industry requirements and standards. the converters are particu- larly suitable for applications in industry and telecommuni- cations where variable input voltages or high transient voltages are prevalent. providing two wide input voltage ranges, 14...36 v dc and 36...75 v dc, the units are available with single, dual and electrically isolated double outputs allowing the configura- tion of output voltages from 3.3 up to 48 v dc externally ad- justable, with flexible load distribution on dual and double output units. a shut down input allows remote converter on/ off. features include efficient input and output filtering with unsurpassed 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, built and approved according to the international safety standards iec/en 60950, ul 1950, can/csa c22.2 no.950-95. the circuit comprises of integrated planar magnetics and all components are automatically assembled and solidly soldered onto a single pcb without any wire connections. the proprietary magnetic feedback solution ensures maxi- mum reliability and repeatability in the control loop over all operating conditions. careful considerations of possible thermal stresses ensure the absence of hot spots providing long life in environments where temperature cycles are a reality. the thermal design allows operation at full load up to an ambient temperature of 71 c in free air without using any potting material. for extremely high vibration environ- ments the case has holes for screw mounting. safety according to iec/en 60950, ul 1950 51 2.0" 40.6 1.6" 10.5 0.42" lga
board mountable dc-dc converters ims 15 series edition 1/02.2002 2/14 type key and product marking type key 24 ims 15 - 05 - 05 -9 r i c z input voltage range u i 14...36 v dc .............................................. 24 36...75 v dc .............................................. 48 series ...................................................................... ims 15 output voltage type output 1 ........................ 05, 12, 15, 24 dash designates double output unit with two independent electrically isolated outputs ...... - 1 output voltage type output 2 .................. 03, 05, 12, 15, 24 operating ambient temperature range t a 40...71 c .................................................. -9 r input and magnetic feedback ...................................... r 2 option: inhibit ............................................................ i 1 3 industrial c-pinout ...................................... c open frame .................................................. z 1 not applicable with option c and -0503 types 2 single output and -0503- types 3 for minimum order quantity and lead time contact power-one. examples: 48 ims 15-05-05-9: dc-dc converter, input voltage range 36...75 v, 2 electrically isolated outputs each pro- viding 5 v, 1.4 a. product marking basic type designation, output voltages and currents, applicable safety approval and recognition marks, power-one patent nos. and company logo. side label: date code and serial no. type survey and key data table 1: type survey output 1 output 2 output input voltage range and efficiency option u o1 nom i o1 nom 1 u o2 nom i o2 nom 1 power u i min ... u i max h typ u i min ... u i max h typ [v dc] [a] [v dc] [a] p o nom [w] 14...36 v dc [%] 36...75 v dc [%] 5.1 2.7 - - 13.8 24 ims 15-05-9r 84 48 ims 15-05-9r 83 i, c, z 12 1.4 - - 16.8 24 ims 15-12-9c 88 48 ims 15-12-9c 86 15 1.12 - - 16.8 24 ims 15-15-9c 88 48 ims 15-15-9c 86 5.1 1.6 3.3 1.6 13.5 24 ims 15-0503-9r 82 48 ims 15-0503-9r 82 i, z 5 1.4 5 1.4 14 24 ims 15-05-05-9 85 48 ims 15-05-05-9 83 i, c, z 12 0.7 12 0.7 16.8 24 ims 15-12-12-9 88 48 ims 15-12-12-9 86 i, c, z 15 0.56 15 0.56 16.8 24 ims 15-15-15-9 88 48 ims 15-15-15-9 86 i, c, z 24 0.35 24 0.35 16.8 24 ims 15-24-24-9 87 48 ims 15-24-24-9 86 i, z 1 flexible load distribution on dual and double outputs possible up to 75% of p o nom on one of the 2 outputs, 24/48 ims 15-0503-9 types allow; 2 a max. on one of the 2 outputs. the other output should not exceed the difference to the total output power p o nom .
board mountable dc-dc converters ims 15 series edition 1/02.2002 3/14 functional description the ims 15 series of dc-dc converters are magnetic feed- back controlled flyback converters using current mode pwm (pulse width modulation). the -05- and -0503- output voltage versions feature an active magnetic feedback loop via a pulse transformer which results in very tight regulation of the output voltage (see fig.: block diagram, single and -0503- output types ). the output voltages of these versions can be adjusted via the r input. the r input is referenced to the secondary side and allows for programming of the out- put voltages in the range of approximately 80 to 105% of u o nom using either an external resistor or an external volt- age source. the voltage regulation on the dual and double output ver- sions is achieved with a passive transformer feedback from the main transformer (see fig.: block diagram, for double output types ). the output voltages can be adjusted via the trim input. the trim input is referenced to the primary side of the converter and allows for programming of the output voltages in the range 100 to 105% of u o nom by an external resistor or within 75 to 105% using an external voltage source.the load regulation output characteristic allows for paralleling of one or several double output units of equal output voltages. current limitation is provided by the primary circuit, thus limiting the total output power of double output types to approx. 130% of p o nom (see: type survey) . the shut down input allows remote converter on/off. overtemperature protection will shut down the unit in ex- cessive overload conditions with automatic restart approxi- mately every 50 to 60 ms. pwm 2 2200 pf, 1500 v 1 2 3 4 11 12 15 13 vi+ sd vi vo1+ vo1 trim vo2+ vo2 03007 17 n.c. fig. 3 block diagram, double output types, standard pinout. fig. 1 block diagram, single output types. pwm 2 2200 pf 1500 v 17 1 2 4 13 15 vi+ sd vi vo+ vo r 03006 pwm 2 2200 pf, 1500 v 1 2 3 4 13 15 12 11 vi+ sd vi vo1+ go n.c. vo2+ go 03022 17 r fig. 2 block diagram, -0503- types.
board mountable dc-dc converters ims 15 series edition 1/02.2002 4/14 electrical input data general conditions: t a = 25 c, unless t c is specified. shut down pin left open circuit (not connected). trim or r input not connected. table 2: input data input 24 ims 48 ims characteristics conditions min typ max min typ max unit u i input voltage range 1 t c min ... t c max 14 36 36 75 v dc u i nom nominal input voltage i o = 0... i o nom 24 48 u i sur repetitive surge abs. max input (3 s) 50 100 voltage t start up converter switch on worst case condition at 0.25 0.5 0.25 0.5 s start-up time sd high u i min and full load 2 0.1 0.1 t rise rise time u i nom , i o = i o nom 2 55ms i i o no load input current i o = 0, u i min ... u i max 20 40 10 20 ma c i input capacitance for surge calculation 4.0 2.0 f u sd shut down voltage unit disabled 10...0.7 10...0.7 v dc unit operating 2.0...20 2.0...20 r sd shut down input 10 10 k ? resistance i sd input current u i min ... u i max 1.2 3 1.2 3 ma if unit shut down i inr p inrush peak current 4 u i = u i nom 5 4.5 a f s switching frequency u i min ... u i max , i o = 0... i o nom approx. 350 approx. 350 khz i i rr reflected i o = 0... i o nom 30 30 ma pp ripple current u i rfi input rfi level conducted en 55022 3 bb 1 u i min will not be as stated if u o is increased above u o nom by use of the r or trim input. if the output voltage is set to a higher value, u i min will be proportionally increased. 2 measured with a resistive and the max. admissable capacitive load. 3 measured with a lead lenght of 0.1 m, leads twisted. double output units with both outputs in parallel. 4 source impedance according to ets 300132-2. u o nom u o t start up t rise t 04008 fig. 6 converter start-up and rise time. inrush current the inrush current has been kept as low as possible by choosing a very small input capacitance. a series resistor may be installed in the input line to further limit this current. fig. 5 typical inrush current at u i nom , p o nom versus time (48 ims 15). source impedance according to prets 300132-2, version 4.3 at u i nom . i [a] t [ s] 04022 0 10 20 30 40 50 60 70 80 90 100 4 3 2 1 input undervoltage lock-out the ims 15 converters are fitted with a defined input under- voltage lock-out (approx. values): 24 ims 15 turn off 12.5 v turn on 13 v 48 ims 15 turn off 31.5 v turn on 32 v
board mountable dc-dc converters ims 15 series edition 1/02.2002 5/14 input transient voltage protection a built-in suppressor diode provides effective protection against input transients which may be caused for example by short-circuits accross the input lines where the network inductance may cause high energy pulses. table 3: built-in transient voltage suppressor type breakdown peak power peak pulse voltage at 1 ms current v br nom [v] p p [w] i pp [a] 24 ims 15 53 600 7.7 48 ims 15 100 600 4.1 for very high energy transients as for example to achieve iec/en 61000-4-5 or etr 283 (19 pfl1) compliance (as per table :electromagnetic immunity ) an external inductor and capacitor are required. vi+ vi c l v+ v module + 04009 1 2 fig. 7 example for external circuitry to comply with iec/en 61000-4-5 or etr 283 (19 pfl1) (48 ims15 types). table 4: components for external circuitry to comply with iec/en 61000-4-5, level 2 or etr 283 (19pfl1) (48 ims types). circuit ref. 24 ims 15 48 ims 15 l 150 h, 0.294 ? , 640 ma toko: 494 lyf-0094k 1 c 150 f, 63 v, 85 c 100 f, 150 v, 85 c 1 available from toko components division reverse polarity protection at the input the built-in suppressor diode also provides for reverse po- larity protection at the input by conducting current in the re- verse direction. an external fuse is required to limit this cur- rent. for 24 ims 15 types a fast 3.15 a (f3.15a) fuse is recommended. for 48 ims 15 types a fast 2 a (f2a) fuse is recom- mended. electrical output data general conditions: t a = 25 c, unless t c is specified. shut down pin left open (not connected). trim- or r-input not connected. table 5a: output data for single output units and -0503- types. output 5.1 v 5.1/3.3 v characteristics conditions min typ max min typ max unit u o1 output voltage u i nom 5.05 5.15 5.0 5.12 v u o2 i o = 0.5 i o nom 3.13 3.46 i o nom output current 1 u i min ... u i max 2.7 2 1.6 a i o1l current limit 2, 4 u i nom , t c = 25 c 3.5 3.0 i o2l u o = 90% u o nom 3.8 d u o line/load regulation u i min ... u i max , i o = (0.01...1) i o nom 0.5 % u i min ... u i max 5.1 v +3, 5 i o = (0.1...1) i o nom 3.3 v 4.5 u o1/2 output voltage noise u i min ... u i max 5 70 80 mv pp i o = i o nom 6 40 40 u o l output overvoltage 115 130 115 130 % limitation c o ext admissible capacitive load 3 4000 total 4000 f u o d dynamic voltage deviat. u i nom 250 150 mv t d load recovery time i o nom ? 0.5 i o nom 11ms regulation iec/en 61204 a uo temperature coefficient u i min ... u i max 0.02 0.02 %/k d u o / d t c i o = 0... i o max 1 flexible load distribution: 24/48 ims 15-0503 types; 2 a max. on one of the 2 outputs, the other output should not be loaded su ch that the total output power exceeds p o nom according to table: type survey . 2 the current limit is primary side controlled. 3 measured with both outputs connected in parallel. for -0503- types: total capacitance, both outputs. 4 conditions for specified output. other output loaded with constant current i o = 0.5 i o nom . 5 bw = 20 mhz 6 measured with a probe according to en 61204 7 the overvoltage protection is not tracking with r/trim control.
board mountable dc-dc converters ims 15 series edition 1/02.2002 6/14 table 5b: output data for dual and double output units. output 2 5 v 2 12 v 2 15 v 2 24 v characteristics conditions min typ max min typ max min typ max min typ max unit u o1 output voltage u i nom 4.92 5.08 11.82 12.18 14.78 15.22 23.64 24.36 v u o2 i o = 0.5 i o nom 4.92 5.08 11.82 12.18 14.78 15.22 23.64 24.36 i o nom output current 1 u i min ... u i max 2 1.4 2 0.7 2 0.56 2 0.35 a i ol current limit 2, 4 u i nom , t c = 25 c 3.5 1.9 1.6 0.95 u o = 90% u o nom d u o u line regulation u i min ... u i max , i o nom 1 1 1 1% d u o l load regulation u i nom 3 3 3 3 i o = (0.1...1) i o nom u o1/2 output voltage noise u i min ... u i max 5 80 120 150 240 mv pp i o = i o nom 6 40 60 75 80 u o l output overvoltage limit. 7 min. load 1% 115 130 115 130 115 130 115 130 % c o ext admissible capacitive load 3 4000 680 470 180 f u o d dynamic voltage deviat. u i nom 250 680 750 900 mv t d load recovery time i o nom ? 1 / 2 i o nom 1111ms regulation a uo temperature coefficient u i min ... u i max 0.02 0.02 0.02 0.02 %/k d u o / d t c i o = 0... i o max 1 flexible load distribution: each output is capable of delivering 75% of p o nom according to table: type survey . the other output should not exceed the difference to the total output power p o nom . 2 the current limit is primary side controlled. 3 measured with both outputs connected in parallel. 4 conditions for specified output. other output loaded with constant current i o = 0.5 i o nom . 5 bw = 20 mhz 6 measured with a probe according to en 61204 7 the overvoltage protection is not tracking with r/trim control. thermal considerations if a converter, mounted on a pcb, is located in free, quasi- stationary air (convection cooling) at the indicated maxi- mum ambient temperature t a max (see table: temperature specifications ) and is operated at its nominal input voltage and output power, the case temperature t c measured at the measuring point of case temperature t c (see: mechanical data ) will approach the indicated value t c max after the warm-up phase. however, the relationship between t a and t c depends heavily on the conditions of operation and inte- gration into a system. the thermal conditions are influenced by input voltage, output current, airflow, temperature of sur- rounding components and surfaces and the properties of the printed circuit board. t a max is therefore only an indica- tive value and under practical operating conditions, the am- bient temperature t a may be higher or lower than this value. caution: the case temperature t c measured at the measuring point of case temperature t c (see: mechani- cal data ) may under no circumstances exceed the speci- fied maximum value. the installer must ensure that un- der all operating conditions t c remains within the limits stated in the table: temperature specifications. overtemperature protection the converters are protected from possible overheating by means of an internal temperature monitoring circuit. it shuts down the unit above the internal temperature limit and at- tempts to automatically restart every 50 to 60 ms. this fea- ture prevents from excessive internal temperature building up which could occur in heavy overload conditions. connection in series the outputs of one or several single or double output units can be connected in series without any precautions, taking into consideration that the highest output voltage should remain below 42 v to ensure that the output remains selv. connection in parallel double outputs of the same converter with equal output voltage (e.g. 5v / 5v) can be put in parallel and will share their output currents almost equally. parallel operation of single or double outputs of two or more converters with the same output voltage may cause start-up problems at initial start-up. this is only advisable in applications where one converter is able to deliver the full load current as e.g. re- quired in true redundant systems. short circuit behaviour the current limit characteristic shuts down the converter whenever a short circuit is applied to its output. it acts self- protecting and automatically recovers after removal of the overload condition (hiccup mode). output overvoltage protection the output of single output units as well as -0503- and -05-05- types are protected against overvoltages by a sec- ond control loop. in the event of an overvoltage on one of the outputs the unit will shut down and attempt to restart approximately every 50 to 60 ms. double and dual output units (with exception of the -0503- and -05-05- types) are protected against overvoltages by a zener diode across the second output. under worst case conditions the zener di- ode will short circuit. since with double output units both outputs track each other the protection diode is only pro- vided in one of the outputs. the main purpose of this fea- ture is to protect against possible overvoltages which could occur due to a failure in the feedback control circuit. the output overvoltage protection is not designed to withstand externally applied overvoltages.
board mountable dc-dc converters ims 15 series edition 1/02.2002 7/14 typical performance curves general conditions : t a = 25 c, unless t c is specified. shut down pin left open circuit. trim or r input not connected. fig. 8 u o versus i o (typ) of units with u o = 5.1 v. fig. 9 u o versus i o (typ) of double output units (2 12 v), with both outputs in parallel. 7 8 9 10 11 12 13 u o [v] 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 i o total [a] 0 05020 5.5 5.0 4.5 4.0 3.5 3.0 0 1 2 3 4 5 i o [a] u o [v] 05019 fig. 12 efficiency versus input voltage and load. typical values (48 ims 15-12-12). 40 50 60 70 80 90 h [%] 05040 25 50 75 100 p o1 p o nom [%] u i nom u i max u i min 70 100 u o [%] t [ms] 05041 8 60 60 overload short circuit condition switch-off fig. 13 overload switch off (hiccup mode), typical values.
board mountable dc-dc converters ims 15 series edition 1/02.2002 8/14 a) adjustment by means of an external resistor r ext : programming of the output voltage by means of an exter- nal resistor r ext is possible within a limited range of 100...105% of u o nom . r ext should be connected between the trim pin and vi . connection of r ext to vi+ may dam- age the converter. the following table indicates suitable resistor values for typical output voltages under nominal conditions ( u i nom , i o = 0.5 i o nom ), with either paralleled outputs or equal load conditions on each outputs. b) adjustment by means of an external voltage source u ext . for external output voltage programming in the range 75...105% of u o nom a (0...20 v) source u ext is required, connected to the trim pin and vi . the table below indi- cates typical u o versus u ext values under nominal condi- tions ( u i nom , i o = 0.5 i o nom ), with either paralleled outputs or equal load conditions on each output. applying a con- trol voltage >20 v will set the converter into a hiccup mode. direct paralleling of the trim pins of units con- nected in parallel is feasible. table 7: u o versus u ext for u o = 75...105% u o nom ; typical values (u i nom , i o1/2 = 0.5 i o1/2 nom ) u o [% u o nom ] u ext [v] 105 0 102 1.6 95 4.5 85 9 75 13 auxiliary functions shut down function the outputs of the converters may be enabled or disabled by means of a logic signal (ttl, cmos, etc.) applied to the shut down pin. if the shut down function is not required then it should be left open-circuit. converter operating: 2.0...20 v converter shut down: 10...0.7 v adjustable output voltage r input for single output units and -0503- types trim input for double output units as a standard feature, the ims 15 single and double output units offer adjustable output voltage(s) by using the control input r or trim. if the control input is left open-circuit the out- put voltage is set to u o nom . for output voltages u o > u o nom , the minimum input voltage u i min (see: electrical input data ) increases proportionally to u o / u o nom . single output units and -0503- types: the r input is referenced to the secondary side of the con- verter. adjustment of the output voltage is possible by means of either an external resistor or a voltage source. a) adjustment by means of an external resistor r ext : depending upon the value of the required output voltage, the resistor shall be connected either: between the r pin and vo to achieve an output voltage adjustment range of approximately u o = 80...100% u o nom . u o r ext1 4 k ? u o nom u o or: between the r pin and vo+ to achieve an output volt- age range of approximately u o = 100...105 % u o nom . ( u o 2.5v) r ext2 4 k ? 2.5 v ( u o / u o nom 1) b) adjustment by means of an external voltage u ext be- tween vo and r pins. the control voltage range is 1.96...2.62 v and allows for an adjustment in the range of approximately 80...105% of u o nom . u o 2.5 v u ext u o nom attempting to adjust the output below this range will cause the converter to shut down (hiccup mode). note: applying an external control voltage >2.75 v may damage the converter. double output units (except -0503- types): the trim input is referenced to the primary side. the figure below shows the circuit topology. adjustment of the output voltage is possible by means of either an external resistor r ext in the range of 100...105% of u o nom or an external volt- age source in the range of 75...105% of u o nom . trim vo1+ vo2 + u ext vi+ vi r ext vo1 vo2+ 06089 control circuit u ref 2.5 v fig. 15 output voltage control for double output units by means of the trim input. r vo+ vo- + u ext - 4 k ? u ref 2.5 v control circuit l n r ext1 r ext 2 06029 fig. 14 output voltage control for single output units and -05-03- types by means of the r input. table 6: r ext1 for u o > u o nom ; approximate values (u i nom , i o1, 2 = 0.5 i o1/2 nom ) u o [% u o nom ] r ext [k ? ] 105...108 (107 typically) 0 105 1.5 104 5.6 103 12 102 27 101 68 100
board mountable dc-dc converters ims 15 series edition 1/02.2002 9/14 electromagnetic immunity table 8: immunity type tests phenomenon standard 1 class coupling value waveform source test in per- 3 level mode 2 applied imped. procedure oper. form. electrostatic iec/en 2 contact discharge 4000 v p 1/50 ns 330 ? 10 positive and yes b discharge 61000-4-2 (r pin open) 10 negative to case 3 air discharge 8000 v p discharges (r pin open) electromagnetic iec/en 2 antenna 3 v/m am 80% 26 1000 mhz yes a field 61000-4-3 1 khz env 50204 pm, 50% duty 900 mhz cycle, 200 hz resp. frequ. electrical fast iec/en 3 direct +i/ i 2000 v p bursts of 5/50 ns 50 ? 1 min positive yes a transient/burst 61000-4-4 5 khz rep. rate 1 min negative transients with transients per 15 ms burst coupling mode duration and a 300 ms period surge iec/en 2 +i/ i 1000 v p 1.2/50 s2 ? 5 pos. and 5 neg. yes b 61000-4-5 5 impulses per coupling mode conducted iec/en 2 +i/ i3 v rms am modulated 50 ? 0.15...80 mhz yes a disturbancies 61000-4-6 (130 db v) 80%, 1 khz 150 ? transient etr 283 +i/ i 150 v p 0.1/0.3 ms limited to 3 positive yes b (19 pfl 1) 4 <100 a 1 related and previous standards are referenced in technical information: standards . 2 i = input, o = output. 3 a = normal operation, no deviation from specification, b = temporary deviation from specs. possibe. 4 for 48 ims 15 types (additional external components required). not applicable for 24 ims 15 types. 5 external components required. which typically occur in many installations, but especially in battery driven mobile applications. electromagnetic compatibility (emc) a suppressor diode together with an input filter form an ef- fective protection against high input transient voltages fig. 16 typical disturbance voltage (quasi-peak) at the input ac- cording to cispr 11/en 55011 and cispr 22/en 55022, measured at u i nom and i o nom . output leads 0.1 m, twisted. (48 ims 15-05) electromagnetic emission 07020 en 55022 a en 55022 b 90 80 70 60 50 40 30 20 10 0 0 .01 0 .05 0.1 0.5 1 2 5 10 20 30 [db v] mhz 0 .02 50 40 30 20 10 0 30 50 100 200 500 1000 [db v/m] [mhz] a b 07108 fig. 17 typical radio frequency-interference voltage at u i nom , i o nom , measured with an antenna (distance 10 m). output leads 1 m, twisted.
board mountable dc-dc converters ims 15 series edition 1/02.2002 10/14 immunity to environmental conditions table 10: mechanical stress test method standard test conditions status ca damp heat iec/din iec 60068-2-3 temperature: 40 2 c unit not steady state mil-std-810d section 507.2 relative humidity: 93 +2/-3 % operating duration: 56 days ea shock iec/en/din en 60068-2-27 acceleration amplitude: 50 g n = 490 m/s 2 unit (half-sinusoidal) mil-std-810d section 516.3 bump duration: 11 ms operating number of bumps: 18 (3 each direction) eb bump iec/en/din en 60068-2-29 acceleration amplitude: 25 g n = 245 m/s 2 unit (half-sinusoidal) mil-std-810d section 516.3 bump duration: 11 ms operating number of bumps: 6000 (1000 each direction) fc vibration iec/en/din en 60068-2-6 acceleration amplitude: 0.35 mm (10...60 hz) unit (sinusoidal) mil-std-810d section 514.3 5 g n = 49 m/s 2 (60...2000 hz) operating frequency (1 oct/min): 10...2000 hz test duration: 7.5 h (2.5 h each axis) kb salt mist, cyclic iec/en/din iec 60068-2-52 concentration: 5% (30 c) unit not (sodium chloride duration: 2 h per cycle operating nacl solution) storage: 40 c, 93% rel. humidity storage duration: 22 h per cycle number of cycles: 3 table 11: temperature specifications, valid for air pressure of 800...1200 hpa (800...1200 mbar) temperature standard -9 characteristics conditions min max unit t a ambient temperature 1 operational 40 71 c t c case temperature 40 95 t s storage temperature 1 non operational 55 100 1 mil-std-810d section 501.2 and 502.2 cispr 22/en 55022, level b radiated electromagnetic emission requirements according to en 55022, class b (radiated emmission) can be achieved by adding an external common mode choke. the filter com- ponent should be placed as close as possible to the input of the converter. fig. 19 choke dimensions (tokin sc-02-10 gs) vi+ vi l v+ v module 07115 fig. 18 example for external circuitry to comply with cispr22/en 55022, level b, radiated 15 8.5 15 07110 table 9: input filter components for en 55022, level b, radiated. type current compensated choke 24 ims 15 1 mh, 2a 48 ims 15 e.g. tokin sc-02-10gs
board mountable dc-dc converters ims 15 series edition 1/02.2002 11/14 mechanical data dimensions in mm. tolerances 0.3 mm unless otherwise indicated. european projection 50.8 (2") 40.65 (1.6") 10.5 (0.41") 0.8 (0.03") 45.72 (1.8") s09011 1 4 11 17 47 (1.85") 36.83 (1.45") 2.54 (0.1") fixing hole for m2 or ka 22 self tapping screws 5.08 (0.2") measuring point of case temperature t c 2 3 12 13 15 bottom view fig. 20 case ims 15 weight: <35 g fig. 21 c pinout (option c) weight: <24 g 50.8 (2") 40.65 (1.6") 11.2 (0.44") 15.2 (0.6") s90010 1 5 5.08 (0.2") 20.3 (0.8") measuring point of case temperature t c 2 3 4 0.5 (0.02") 35.5 (1.4") bottom view ?1.0 (0.04") 1.0 (0.04") fig. 22 open frame (option z) weight: <20 g 12 48.3 (1.9") 10.5 (0.41") 45.72 (1.8") s90011 1 4 11 17 38.8 (1.52") 3 x 5.08 (0.2") 6 x 5.08 (0.2") 2 3 12 13 15 0.8 (0.03") bottom view 2.54 (0.1")
board mountable dc-dc converters ims 15 series edition 1/02.2002 12/14 safety and installation instructions 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 with hole diameters of 1.4 mm 0.1 mm for the pins. 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 conditions. 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 f3.15a for 24 ims 15 types and f2a for 48 ims 15 types. standards and approvals all dc-dc converters are pending to be ul recognized according 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 after approvals the dc-dc converters are subject to manu- facturing surveillance in accordance with the above men- tioned ul, csa, en and iso 9001 standards. table 12: pin allocation pin standard option c single double -0503- single dual 1 vi+ vi+ vi+ vi+ vi+ 2vi vi vi vi vi 3 - trim n.c. vo+ vo+ 4sd sdsd - go 5- - - vo vo 6- - - - - 11 - vo1+ vo2+ - - 12 - vo1 go - - 13 vo+ vo2+ vo1+ - - 15 vo vo2 go - - 17 r n.c. r - - protection degree the protection degree of the dc-dc converters is ip 40 (except option z). cleaning agents in order to avoid possible damage, any penetration of cleaning fluids should be prevented, since the power sup- plies are not hermetically sealed. 10005 1 2 3 4 11 12 13 15 17 bottom view fig. 23 pin allocation
board mountable dc-dc converters ims 15 series edition 1/02.2002 13/14 table 14: 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 a non-earthed input line directly 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. 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 13: electric strength test voltages characteristic input to output to unit output output electric strength 1.1 0.1 kv rms test voltage 1 s 1.5 0.15 kv dc coupling capacitance 2.2 - nf insulation resistance >100 - m ? at 500 v dc partial discharge consult - kv extinction voltage factory 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 following table shows some possible installation con- figurations, compliance with which causes the output circuit of the dc-dc converter to be an selv circuit according to iec/en 60950 up to a configured output voltage of 42 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 ims 15 series edition 1/02.2002 14/14 option i inhibit excludes shut down and option k, or c. the output(s) of the converter may be enabled or disabled by means of a logic signal (ttl, cmos, etc.) applied to the inhibit pin. no output voltage overshoot will occur when the unit is turned on. if the inhibit function is not required the inhibit pin should be connected to vi to enable the output (active low logic, fail safe). converter operating: 10 v...0.8 v converter inhibited or inhibit pin left open: 2.4 v... u i max (max. 75 v) fig. 25 if the inhibit is not used the inhibit pin should be con- nected to vi . vi+ vi i 06070 description of options table 15: survey of options option function characteristic i inhibit see below z open frame version see mechanical data c c-pinout see mechanical data ac-dc front end dc-dc con- verter mains fuse battery earth connection suppressor diode selv earth connection + ~ ~ 10004 fig. 24 schematic safety concept. use fuse, suppressor diode and earth connection as per table: safety concept leading to an selv output circuit .

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