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? bcd20009-g rev aa page 1 of 16 www.power-one.com imx35 series data sheet 35-watt quad-output dc-dc converters description the imx35 series of board-mountable, 35 watt dc-dc converters has been designed according to industry requirements and standards. the converters are particularly suitable for use in mobile or stationary applications in transport, railways, industry, or telecommunication, where variable input voltages or high transient voltages are prevalent. covering a total input voltage range from 9 v up to 150 v with 4 different models. the units are available with up to quadruple outputs (electrically isolated) from 5 v to 60 v, externally adjustable and with flexible load distribution. a shut down input allows remote converter on/off. features include consistently high efficiency over the entire input voltage range, high reliability, and excellent dynamic response to load and line changes. the converters are designed and built according to the international safety standards iec/en/ul 60950, and approved by tv, ul, and cul. the imx35 models provide basic insulation. the circuit is comprised of 2 planar magnetics devices, and all components are automatically assembled and securly soldered onto a single pcb without any wire connection. magnetic feedback ensures maximum 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 present. the thermal design without using any potting material allows operation at full load up to an ambient temperature of 71 c in free air and operation up to 110 c with airflow. for extremely high vibration environments the case has holes for screw mounting. features ? rohs lead-free-solder and lead-solder-exempted products are available. ? extremely wide input voltage ranges up to 150 vdc ? 4 outputs up to 60 v ? 1200 to 1800 vac i/o electric strength test ? electrical isolation also between outputs ? immunity to iec/en 61000-4-2,-3,-4,-5, -6 ? programmable input undervoltage lockout ? shut down/inhibit input ? adjustable output voltages with flexible load distribution ? frequency synchronization ? outputs no-load, overload, and short-circuit proof ? operating ambient temperature from ? 40 to 85 c ? thermal protection ? 3" 2.5" case with 10.5 mm profile or 8.9 mm open frame ? basic insulation ? flexible output possibilities between 5 v and 60 v table of contents page page 72.8 2.87" 47.8 1.88" 8.9 0.35" 76.2 3" 63.5 2.5" 10.5 0.41" safety according to iec/en 60950 -1 and ul 60950-1 description ............................................................................. 1 model selection ..................................................................... 2 functional description ........................................................... 3 electrical input data ............................................................... 4 electrical output data ............................................................ 6 auxiliary functions ................................................................. 9 electromagnetic compatibility (emc) .................................. 11 immunity to environmental conditions ................................ 12 mechanical data .................................................................. 13 safety and installation instructions ...................................... 14 options ................................................................................. 15 ec declaration of conformity .............................................. 16
? bcd20009-g rev aa page 2 of 16 www.power-one.com imx35 series data sheet 35-watt quad-output dc-dc converters 40 imx35 d05 d05 -8 i z g 1 input voltage range v i 9 to 36 vdc ........................................... 20 18 to 75 vdc ........................................... 40 40 to 121 vdc ........................................... 70 60 to 150 vdc ......................................... 110 series ....................................................................... imx35 outputs 1 and 4 of quad types ................... d05, d12, d15 outputs 2 and 3 of quad types ................... d05, d12, d15 operating ambient temperature range t a = ?40 to 85 c (110 c) ........................ -8 options: inhibit ........................................................... -i open frame .................................................. z rohs compliant for all six substances ........ g 1 1 g is allways placed at the end of the part number. model selection table 1: model selection output 1 output 2 output 3 output 4 inpu t voltage eff. model trim 2 opt. 3 v o nom i o nom v o nom i o nom v o nom i o nom v o nom i o nom v i min to v i max 1 [vdc] [a] [vdc] [a] [vdc] [a] [vdc] [a] [vdc] [%] 5 1.35 5 1.35 5 1.35 5 1.35 9 to 36 86 20imx35d05d05-8 primary i 5 1.4 5 1.4 5 1.4 5 1.4 18 to 75 87 40imx35d05d05-8 z 5 1.4 5 1.4 5 1.4 5 1.4 40 to 121 86 70imx35d05d05-8 g 5 1.4 5 1.4 5 1.4 5 1.4 60 to 150 86 110imx35d05d05-8 12 0.65 12 0.65 12 0.65 12 0.65 9 to 36 86 20imx35d12d12-8 primary 12 0.7 12 0.7 12 0.7 12 0.7 18 to 75 88 40imx35d12d12-8 12 0.7 12 0.7 12 0.7 12 0.7 40 to 121 88 70imx35d12d12-8 12 0.7 12 0.7 12 0.7 12 0.7 60 to 150 88 110imx35d12d12-8 15 0.55 15 0.55 15 0.55 15 0.55 9 to 36 88 20imx35d15d15-8 primary 15 0.6 15 0.6 15 0.6 15 0.6 18 to 75 89 40imx35d15d15-8 15 0.6 15 0.6 15 0.6 15 0.6 40 to 121 88 70imx35d15d15-8 15 0.6 15 0.6 15 0.6 15 0.6 60 to 150 88 110imx35d15d15-8 5 1.35 12 0.65 12 0.65 5 1.35 9 to 36 88 20imx35d05d12-8 primary 5 1.4 12 0.7 12 0.7 5 1.4 18 to 75 89 40imx35d05d12-8 5 1.4 12 0.7 12 0.7 5 1.4 40 to 121 88 70imx35d05d12-8 5 1.4 12 0.7 12 0.7 5 1.4 60 to 150 88 110imx35d05d12-8 5 1.35 15 0.55 15 0.55 5 1.35 9 to 36 88 20imx35d05d15-8 primary 5 1.4 15 0.6 15 0.6 5 1.4 18 to 75 89 40imx35d05d15-8 5 1.4 15 0.6 15 0.6 5 1.4 40 to 121 88 70imx35d05d15-8 5 1.4 15 0.6 15 0.6 5 1.4 60 to 150 88 110imx35d05d15-8 1 typ. efficiency at t a = 25 c, v o nom , i o nom 2 the trim input (pin 5) on the primary side influences all outputs simultaneously on equal-voltage models (e.g., d12d12); for un equal voltages (e.g., d05d12), trim1 influences only the first power train vo1/vo4. 3 for minimum quantity and lead times contact power-one. part number description product marking converters without option z are marked with basic type designation, input and output voltages and currents, applicable safety approval and recognition marks, power-one patent nos., company logo, date code, and serial no.
? bcd20009-g rev aa page 3 of 16 www.power-one.com imx35 series data sheet 35-watt quad-output dc-dc converters functional description the imx35 converters are comprised of 2 feedback-controlled interleaved-switching flyback power trains using current mode pwm (pulse width modulation). each converter consists of 4 electrically isolated outputs deriving from 2 power trains. vo1, vo4 derive from the first power train and vo2, vo3 from the second one. thus each pair of outputs is independent from the other one. voltage regulation for each pair of outputs is achieved with passive transformer feedback from the main transformer of the power train. each pair of outputs has the same output voltage (i.e. d05, d12, etc.). if both power trains have the same output fig. 1 block diagram of quad output models voltage (e.g., d12d12), all outputs may be simultaneously adjusted by the trim input (pin 5). in case of different output voltages (e.g., d05d15), the trim1 input influences only vo1 and vo4. current limitation is provided by the primary circuit for each power train and limits the possible output power for each pair of outputs. in the case of an overload on either of the power trains, which causes the output voltage to fall less than typically 60% of v o nom , the entire converter will shut down and automatically restart in short intervals (hiccup mode). the incorporated overtemperature protection shuts down the converter in excessive overload conditions with automatic restart. pwm 4 8 1 vi+ sd pul 5 trim/trim1 6 w 7 ref 2 vi? 16 15 17 18 13 14 12 11 vo4 ? vo1+ vo1? vo4+ vo2+ vo2 ? vo3+ vo3 ? 03098a 3 n.c. 19 n.c.
? bcd20009-g rev aa page 4 of 16 www.power-one.com imx35 series data sheet 35-watt quad-output dc-dc converters electrical input data general conditions: t a = 25c, shut down and trim pin left open-circuit (not connected), unless specified. table 2: input data input 20imx 40 imx unit characteristics conditions min typ max min typ max v i input voltage range 1 t a min to t a max 9 2 36 18 2 75 vdc v i nom nominal input voltage i o = 0 to i o nom 20 40 v i sur repetitive surge voltage abs. max input (3 s) 40 100 t start up converter switch on worst case condition at 0.25 0.5 0.25 0.5 s start-up time 2 sd high v i min and full load 0.1 0.1 t rise rise time 3 v i nom resist load 3 3 ms i o nom capac. load 6 12 6 12 i i o no load input current i o = 0, v i min to v i max 70 50 ma i irr reflected ripple current i o = 0 to i o nom 30 30 ma pp i inr p inrush peak current 4 v i = v i nom 89a c i input capacitance for surge calculation 2 1.3 f v s ? d ? shut down voltage converter shut down ?10 to 0.7 ?10 to 0.7 vdc converter operating open circuit or 2 to 20 open circuit or 2 to 20 r s ? d ? shut down input resistance for current calculations approx. 10 approx. 10 k ? i s ? d ? input current at shut down v i min to v i max 12 6 ma f s switching frequency v i min to v i max , i o = 0 to i o nom approx. 220 approx. 220 khz input 70 imx 110 imx unit characteristics conditions min typ max min typ max v i input voltage range 1 t a min to t a max 40 2 121 60 2 150 vdc v i nom nominal input voltage i o = 0 to i o nom 70 110 v i sur repetitive surge voltage abs. max input (3 s) 150 170 t start up converter switch on worst case condition at 0.25 0.5 0.25 0.5 s start-up time 2 sd high v i min and full load 0.1 0.1 t rise rise time 3 v i nom resist load 3 3 ms i o nom capac. load 6 12 6 12 i i o no load input current i o = 0, v i min to v i max 30 20 ma i irr reflected ripple current i o = 0 to i o nom 30 30 ma pp i inr p inrush peak current 4 v i = v i nom 77a c i input capacitance for surge calculation 0.5 0.5 f v s ? d ? shut down voltage converter shut down ?10 to 0.7 ?10 to 0.7 vdc converter operating open circuit or 2 to 20 open circuit or 2 to 20 r s ? d ? shut down input resistance for current calculations approx. 10 approx. 10 k ? i s ? d ? input current at shut down v i min to v i max 3.5 4 ma f s switching frequency v i min to v i max , i o = 0 to i o nom approx. 220 approx. 220 khz 1 v i min will not be as stated if v o is increased above v o nom by use of trim input. if the output voltage is set to a higher value, v i min will be proportionately increased. 2 input undervoltage lockout at typ. 85% of v i min . 3 measured with resistive and max. admissible capacitive load. 4 source impedance according to ets 300132-2, version 4.3. 5 measured with a lead length of 0.1 m, leads twisted.
? bcd20009-g rev aa page 5 of 16 www.power-one.com imx35 series data sheet 35-watt quad-output dc-dc converters reverse polarity protection the built-in suppressor diode also provides for reverse polarity protection at the input by conducting current in the reverse direction. an external fuse is required to limit this current. table 3: recommended external fuses in the non-earthed input line converter model fuse type 20imx35 f8.0a 40imx35 f4.0a 70imx35 f2.0a 110imx35 f1.5a 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 in order to further reduce this current. fig. 2 typical inrush current at v i nom , p o nom versus time (40imx35). source impedance according to ets 300132-2 at v i nom . fig. 3 converter start-up and rise time fig. 4 example for external circuitry to comply with iec/en 61000- 4-5; the diode d is only necessary for 20imx35 models. for very high energy transients as for example to achieve iec/en 61000-4-5 compliance (as per table electromagnetic immunity ) an external inductor and capacitor are required. the components should have similar characteristics as listed in table below. table 5: components for external circuitry for iec/en 61000-4-5, level 2 model inductor (l) capacitor (c) diode (d) 20imx35 22 h/5 a 470 f/40 v 1.5 k e47a 40imx35 68 h/2.7 a 2 x 100 f/100 v - 70imx35 100 h/1 a 2 x 82 f/200 v - 110imx35 150 h/0.8 a 2 x 82 f/200 v - input transient voltage protection a built-in suppressor diode provides effective protection against input transients, which may be generated for example by short-circuits across the input lines, where the network inductance may cause high energy pulses. table 4: built-in transient voltage suppressor model breakdown peak power peak pulse voltage at 1 ms current v br nom [v] p p [w] i pp [a] 20imx35 39 1500 22 40imx35 100 1500 9.7 70imx35 151 600 2.9 110imx35 176 600 2.5 t 04022b 0 20 40 60 80 100 s 4 3 2 1 a v o nom v o t startup t rise t 04008b vi+ vi? c l d + 04036a
? bcd20009-g rev aa page 6 of 16 www.power-one.com imx35 series data sheet 35-watt quad-output dc-dc converters electrical output data general conditions: ? t a = 25 c, unless t c is specified ? shutdown pin left open-circuit (not connected) ? trim not connected table 6: output data for double-output power trains (vo1/vo4 or vo2/vo3, i.e. each power train has 2 outputs) output 2 x 5 v 2 x 12 v 2 x 15 v unit characteristics conditions min typ max min typ max min typ max v o1 output voltage v i nom 4.95 5.05 11.88 12.12 14.85 15.15 vdc v o2 i o = 0.5 i o nom 4.94 5.06 11.86 12.14 14.82 15.18 i o nom output current 20imx v i min to v i max 2 x 1.35 2 x 0.65 2 x 0.55 a 40imx 2 x 1.4 2 x 0.70 2 x 0.60 70imx 2 x 1.4 2 x 0.70 2 x 0.60 110imx 2 x 1.4 2 x 0.70 2 x 0.60 i ol current limit 1 20imx v i nom , t c = 25 c 3.5 1.8 1.5 40imx v o = 93% v o nom 3.8 2.0 1.7 70imx 3.8 2.0 1.7 110imx 3.8 2.0 1.7 ? v o line regulation v i min to v i max , i o nom 1 1 1 % ? v o l load regulation v i nom 3 3 3 i o = (0.1 to 1) i o nom v o1/2 output voltage noise v i min to v i max 2 80 120 150 mv pp i o = i o nom 3 40 60 70 v o l output overvoltage limit. 4 min. load 1% 115 130 115 130 115 130 % c o ext admissible capacitive load 4000 470 330 f v o d dynamic voltage deviat. v i nom 250 480 520 mv t d load recovery time i o nom ? 1 / 2 i o nom 0.75 0.75 0.75 ms regulation vo temperature coefficient v i min to v i max 0.02 0.02 0.02 %/k ? v o / ? t c i o = (0.1 to 1) i o nom 1 both outputs connected in parallel. the current limit is primary side controlled. in the event of a sustained overload conditio n the thermal protection may cause the converter to shut down (restart on cool-down). 2 bw = 20 mhz, measured with an external capacitor of 1 f across each output pin. 3 measured with a probe according to en 61204 4 the overvoltage protection is via a primary side second regulation loop, not tracking with trim control.
? bcd20009-g rev aa page 7 of 16 www.power-one.com imx35 series data sheet 35-watt quad-output dc-dc converters fig. 5 maximum allowed output power versus ambient temperature. overtemperature protection the converter is protected against possible overheating by means of an internal temperature monitoring circuit. it shuts down the converter above the internal temperature limit and attempts to automatically restart. this feature prevents excessive internal temperature building up which could occur under heavy overload conditions. thermal considerations if a converter, mounted on a pcb, is located in free, quasi- stationary air (convection cooling) at the indicated maximum 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 (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 integration into a system. the thermal conditions are influenced by input voltage, output current, airflow, temperature of surrounding components and the surfaces and properties of the printed circuit board. t a max is therefore only an indicative value, and under practical operating conditions, the ambient 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 mechanical data ) may under no circumstances exceed the specified maximum value. the installer must ensure that under all operating conditions t c remains within the limits stated in the table temperature specifications. the converters provide the specified output power with free air convection cooling. in the upper temperature range the output power derating below should be observed. 1.0 0.8 0.6 0.4 0 0.2 20 40 60 80 100 c p o / p o max 11047-x35 t a 0.5 m/s = 200 lfm natural cooling short circuit behavior the current limit characteristic shuts down the converter whenever a short circuit is applied to an output. it acts self- protecting and automatically recovers after removal of the overload condition (hiccup mode). fig. 6 overload switch off (hiccup mode), typical values. connection in series the outputs of one or several double output power trains may be connected in series without any precautions. connection in parallel several outputs of the same converter with equal output voltage (e.g., 5 v / 5 v) can be connected in parallel and will share their output currents almost equally. if outputs from the same converter are being paralleled together, it is recommended that outputs from the same power trains are connected together first. note: a separate application note is available for uses when all outputs are paralleled together. parallel operation of several 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 is required in true redundant systems. it is recommended not to parallel more than three units at full load. 70 100 v o [%] t 05041b 0.3 s overload short-circuit condition switch-off 0
? bcd20009-g rev aa page 8 of 16 www.power-one.com imx35 series data sheet 35-watt quad-output dc-dc converters fig. 8 cross load regulation (typ.) on power train 1. v o4 versus i o1 fig. 9 flexible load distribution (typ.) on power train 1 of a 40imx35d12d12-8: v o1 versus i o1 , i o4 = 0.5 i o4 nom fig. 10 efficiency versus input voltage and load. typical values (40imx35d12d12-8) fig. 11 efficiency versus input voltage and load. typical values (20imx35d12d12-8) fig. 7 v o versus i o (typ.) of double-output power trains, with both outputs in parallel (e.g., v o1/4 of a 40imx35d12d12) typical performance curves general conditions: ? t a = 25c, unless t c is specified. ? shut down and trim pin left open-circuit. 8 9 10 11 12 13 v o [v] 0.5 1 1.5 2 a i o total 0 05020-x35 11.5 12 12.5 13 13.5 v o4 [v] 0.06 0.2 0.3 0.4 0.5 0.6 0.7 a 0 . 1 05164b i o4 = 0.35 a i o4 = 0.035 a i o1 v o 1 , v o4 [v] i o1 / i o1 nom 05039b 14 13 12 11 10 0 0.25 0.5 0.75 1 1.5 1.25 v o 1 v o 4 60 70 80 90 [%] 50 75 100 % p o p o total 25 05153a v i min v i nom 60 70 80 90 [%] 50 75 100 % p o p o tota l 25 05152a v i min v i nom
? bcd20009-g rev aa page 9 of 16 www.power-one.com imx35 series data sheet 35-watt quad-output dc-dc converters table 7: r ext1 for v o > v o nom ; approximate values (v i nom , i o = 0.5 i o nom ) v o [% v o nom ] r ext [k ? ? ? ? ? ] trim [k ? ? ? ? ? ] trim1 [k ? ? ? ? ? ] 105 to 108 (107 typically) 0 0 105 10 17 102 62 110 100 ? auxiliary functions adjustable output voltage as a standard feature, the imx35 offer adjustable output voltages in the range of 85 to 105% of v o nom . fig. 12 shows the schematic diagram for the adjustment of quad-output models. all models with equal output voltages have the trim function connected to pin 5 referenced to the primary side, influencing all outputs simultaneously. however, the trim1 input of models with different output voltage on the power trains influences only the first power train. fig. 12 output voltage control by means of the trim input table 8: v o versus v ext for v o = 85 to 105% v o nom ; typical values (v i nom , i o = 0.5 i o nom ) v o [% v o nom ] v ext [v] trim [v] trim 1 [v] >105 0 0 102 1.8 1.5 100 2.5 2.5 95 4.3 4.25 90 6.2 6.2 85 8 8 synchronization (w) it is possible to synchronize the switching frequency of one or more converters to an external symmetrical clock signal. if this option is required, consult factory for full application details. this logic input w can be used to synchronize the oscillator to an external frequency source. this signal is edge-triggered with ttl thresholds, and requires a source frequency of 490 to 540 khz (duty cycle 10 to 90%). the external source frequency is internally divided by 2 to define the switching frequency for the converter. if unused, this pin can be connected to v1? (pin 2) or left open-circuit. reference output (ref) the converter provides a stable 5 v (0.1 v) reference signal on pin 7 (ref). the output is protected by a 1 k ? resistor. the signal may be used also in conjunction with the trim input (pin 5) as a limited external voltage reference. it is recommended to connect a filter capacitor (0 .1 f) between ref and vi?, if ref is used. shutdown the outputs of the converters may be enabled or disabled by means of a logic signal (ttl, cmos, etc.) applied to shut down (pin 8). if the shut down function is not required, then pin 8 should be left open-circuit: converter operating: 2.0 to 20 v converter disabled: ?10 to 0 .7 v adjustment by means of an external resistor r ext : adjustment of the output voltage by means of an external resistor r ext is possible within the range of 100 to 105% of v o nom . r ext should be connected between trim (pin 5) and vi? (pin 2). the following table indicates suitable resistor values for typical output voltages under nominal conditions ( v i nom , i o = 0.5 i o nom ). note: connection of r ext to vi+ may damage the converter. adjustment by means of an external voltage source v ext for external output voltage adjustment in the range 85 to 105% of v o nom a voltage source v ext (0 to 20 v) is required, connected to trim or trim1 (pin 5) and vi?. the table below indicates typical values v o versus v ext . applying a control voltage of 15 to 20 v will set the converter into the hiccup mode. direct paralleling of the trim pins of converters of the same type connected in parallel is feasible. trim vo1+ vo2? + v ext ? vi+ vi? r ext vo1? vo2+ 06137b control circuit v ref = 2.5 v 4 5 2 16 15 13 11
? bcd20009-g rev aa page 10 of 16 www.power-one.com imx35 series data sheet 35-watt quad-output dc-dc converters progr. input undervoltage lockout pul a special feature of these converters is the accurate undervoltage lockout protection, which protects the converter (and the system) from large currents caused by operation at low voltages. this ensures easier start-up in distributed power systems. fig. 13 if the inhibit is not used, the inhibit pin should be connected to vi?. vi+ vi ? i 06138a 4 8 2 option i: inhibit (negative shutdown logic) the output of the converter may be enabled or disabled by means of a logic signal (ttl, cmos, etc.) applied to the inhibit pin 8. no output voltage overshoot will occur, when the converter is turned on. if the inhibit function is not required the inhibit (pin 8) should be connected to vi? to enable the output (active low logic, fail safe). voltage on pin 8: converter operating: ?10 v to 0.8 v converter disabled: 2.4 v to 20 v or left open-circuit the undervoltage lockout levels may be programmed by use of an external resistor r pul to increase the preset levels as indicated in the table below. table 10: typical values for r pul and the respective lockout voltage for input voltage. 20 imx35 40 imx35 r pul [k ? ? ? ? ? ] v i min [v] r pul [k ? ? ? ? ? ] v i min [v] 8 15.5 39 10 43 22 19 12 16 26 13 14 10 28 9.1 16 0 32 70 imx35 110 imx35 r pul [k ? ? ? ? ? ] v i min [v] r pul [k ? ? ? ? ? ] v i min [v] 31 42 270 40 270 50 110 50 120 60 80 55 51 75 table 9: turn on and turn off voltage model t rigger level hysteresis unit 20imx35 7 to 8 <0.5 v 40imx35 14 to 15.5 <1 70imx35 31 to 34 <3 110imx35 42 to 50 <8
? bcd20009-g rev aa page 11 of 16 www.power-one.com imx35 series data sheet 35-watt quad-output dc-dc converters electromagnetic immunity table 11: immunity type tests phenomenon standard class coupling value waveform source test in per- 2 level mode 1 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 (trim pin open) 10 negative to case 3 air discharge 8000 v p discharges (trim pin open) electromagnetic iec/en 3 3 antenna 10 v/m am 80% n.a. 80 to 1000 mhz yes a field 61000-4-3 1 khz env 50204 3 antenna 10 v/m pm, 50% duty n.a. 900 mhz yes a cycle, 200 hz repetition frequ. electrical fast iec/en 4 direct +i/?i 4000 v p bursts of 5/50 ns 50 ? 60 s positive, yes b transients/burst 61000-4-4 2.5/5 khz 60 s negative over 15 ms, transients per burst period coupling mode 300 ms surges iec/en 3 4 +i/ ? i 2000 v p 1.2/50 s 2 ? 5 pos. and 5 neg. yes b 61000-4-5 surges en 50155: a 5 +i/ c, ? i/c 1800 v p 5/50 s 100 ? yes b 2001 b 6 +i/ c, ? i/c 8400 v p 0.05/ 0.1 s 100 ? yes b rf conducted iec/en 3 +i/?i 10 vac am modulated 50 ? 0.15 to 80 mhz yes a immunity 61000-4-6 (140 db v) 80%, 1 k hz 150 ? 1 i = input, o = output. 2 a = normal operation, no deviation from specification, b = temporary deviation from specs. possible. 3 corresponds to en 50121-3-2:2000, table 9.1 4 external components required; see fig. 4 5 corresponds to en 50155:1995, waveform d 6 corresponds to en 50155:1995, waveform g 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 effective protection against high input transient voltages which fig. 14 typical disturbance voltage (quasi-peak) at the input according to en 55011/ 22, measured at v i nom and i o nom . output leads 0.1 m, twisted (40imx35d12d12-8). electromagnetic emission 07020a en 55022 a en 55022 b 90 8 0 7 0 60 50 40 3 0 20 10 0 0 .01 0 .05 0.1 0.5 1 2 5 10 20 30 [ db v] mh z 0 .02
? bcd20009-g rev aa page 12 of 16 www.power-one.com imx35 series data sheet 35-watt quad-output dc-dc converters fig. 15 external circuitry to comply with en 55011/55022, level b, radiated table 12: input filter components for en 55011/55022, level b, radiated (30 to 1000 mhz) type current compensated choke 20imx35 murata plh1oa series 7003r6p02 40imx35 murata plh1 oa series 1612r1p02 70imx35 murata plh1oa series 2911r2p02 110imx35 murata plh1oa series 3711r0p02 radiated emissions radiated emission requirements according to en 55011/ 55022, class b, can be achieved by adding an external common mode choke and for 20imx35 models an additional capacitor (4.7 f/ 50 v). the filter components should be placed as close as possible to the input of the converter; see figure below. vi+ vi? l + ? converter 07114b immunity to environmental conditions table 13: environmental testing test method standard test conditions status cab damp heat iec/en 60068-2-78 t emperature: 40 2 c converter steady state mil-std-810d sect. 507.2 relative humidity: 93 +2/-3 % not duration: 56 days operating ea shock iec/en 60068-2-27 1 acceleration amplitude: 100 g n = 981 m/s 2 converter (half-sinusoidal) mil-std-810d sect. 516.3 bump duration: 6 ms operating number of bumps: 18 (3 each direction) eb bump iec/en 60068-2-29 acceleration amplitude: 40 g n = 392 m/s 2 converter (half-sinusoidal) mil-std-810d sect. 516.3 bump duration: 6 ms operating number of bumps: 6000 (1000 each direction) fc vibration iec/en 60068-2-6 acceleration amplitude: 0.35 mm (10 to 60 hz) converter (sinusoidal) 5 g n = 49 m/s 2 (60 to 2000 hz) operating frequency (1 oct/min): 10 to 2000 hz test duration: 7.5 h (2.5 h each axis) fn vibration iec/en 60068-2-64 acceleration spectral density: 0.05 g n 2 /hz converter broad-band frequency band: 20 to 500 hz operating random acceleration magnitude: 4.9 g n rms (digital control) test duration: 3 h (1 h each axis) kb salt mist, cyclic iec/en 60068-2-52 concentration: 5% (30c) converter (sodium chloride duration: 2 h per cycle not nacl solution) storage: 40c, 93% rel. humidity operating storage duration: 22 h per cycle number of cycles: 3 1 covers also en 50155 / en 61373 (category 1, body mounted, class b)
? bcd20009-g rev aa page 13 of 16 www.power-one.com imx35 series data sheet 35-watt quad-output dc-dc converters mechanical data dimensions in mm. fig. 16 case imx35 (standard) weight: approx. 67 g fig. 17 case imx35 open frame (option z) weight: approx. 43 g table 14: temperature specifications, valid for air pressure of 800 to 1200 hpa (800 to 1200 mbar) temperature -8 unit characteristics conditions min max t a ambient temperature operational 1 ?40 2 85 1 c t c case temperature ?40 2 110 t s storage temperature n on operational ? 55 2 110 1 see thermal considerations 2 start up at ? 55 c temperatures reliability table 15: mtbf at nom. load model ground benign ground fixed ground mobile device hours 1 unit 40 c 40 c 70 c 50 c 40imx35 (mil-hdbk-217f, t c ) 336 000 141 000 86 000 110 000 396 000 h 110imx35 (bellcore, t a ) 1445 000 529 000 294 000 144 000 1 the device hours are based upon the imx35 series field failure rate recorded between 2000 and 2005 european projection 5.08 47.8 63.5 72.8 6.4 8.9 0.8 x 0.8 09123a t c t c cores t c bottom view 63.5 76.2 63.5 0.8 x 0.8 5.08 5 10.5 09121a 69.6 56.9 thread m3 t c bottom view
? bcd20009-g rev aa page 14 of 16 www.power-one.com imx35 series data sheet 35-watt quad-output dc-dc converters table 16: pin allocation pin no. quadruple output 1 pul 2vi? 3 n.c. 4vi+ 5 trim or trim1 6w 7 ref 8sd 11 vo3? 12 vo3+ 13 vo2+ 14 vo2? 15 vo1? 16 vo1+ 17 vo4+ 18 vo4? 19 n.c. safety and installation instructions pin allocation fig. 18 footprint. the holes in the pcb should have a diameter of 1.5 mm. installation instructions installation of the converters must strictly follow the national safety regulations in compliance with the enclosure, 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 1.5 mm for the pins. the converters should be connected to a secondary circuit. do not open the converter. ensure that a converter failure (e.g., by an internal short- circuit) does not result in a hazardous condition. input fuse to prevent excessive current flowing through the input supply line in case of a short-circuit in the converter, an external fuse should be installed in the non-earthed input line. we recommend a fast acting fuse specified in table 3. standards and approvals all converters are approved according to the standards ul 60950-1, csa 60950-1, and iec/en 60950-1:2001. the converters have been evaluated for: ? building-in ? basic insulation input to output, based on their maximum input voltage ? pollution degree 2 (not option z) ? connecting the input to a secondary circuit, which is subject to a maximum transient rating of 1500 v. the converters are subject to manufacturing surveillance in accordance with the above mentioned standards. cb scheme is available (de3-52559m3). railway applications to comply with railway standards, all components are coated with a protective lacquer (except for option z). protection degree the protection degree is ip 30 (not for option z). cleaning agents in order to avoid possible damage, any penetration of cleaning fluids should be prevented, since the power supplies are not hermetically sealed. however, the open-frame models (option z) leave the factory unlacquered and may be cleaned and lacquered by the customer, for instance together with the motherboard. contact power-one for the type of cleaning agents. 09122a 1 2 3 4 5 6 7 8 11 12 13 14 15 16 17 18 19 bottom view
? bcd20009-g rev aa page 15 of 16 www.power-one.com imx35 series data sheet 35-watt quad-output dc-dc converters table 18: list of options option function of option description i inhibit: negative shutdown logic see auxiliary functions z open frame see mechanical data g 1 rohs compliant for all 6 substances see model selection 1 g is allways placed at the end of the part number. nuclear and medical applications - power-one products are not designed, intended for use in, or authorized for use as critical components in life support systems, equipment used in hazardous environments, or nuclear control systems without the express wr itten consent of the respective divisional president of power-one, inc. technical revisions - the appearance of products, including safety agency certifications pictured on labels, may change dependi ng on the date manufactured. specifications are subject to change without notice. table 17: electric strength test voltages characteristic input to input to outputs to between unit (outputs+case) (outputs+case) case outputs 20/40imx35 1 70/110imx35 1 all models 1 all models factory test >1 s 1.2 1.8 0.5 0.15 2 kvac equivalent dc voltage 1.5 2.5 0.7 0.2 2 kvdc insulation resistance >100 >100 ?? m ? at 500 vdc 1 for open-frame models (option z), only the insulation input to outputs is tested. 2 the test voltage between outputs is not applied as routine test. for higher isolation between outputs, contact power-one. isolation the electric strength test is performed in the factory as a routine test in accordance with en 50116, en 60950 and ul 60950 and should not be repeated in the field. power-one will not honor any warranty claims resulting from electric strength field tests. options
? bcd20009-g rev aa page 16 of 16 www.power-one.com imx35 series data sheet 35-watt quad-output dc-dc converters ec declaration of conformity we power-one ag ackerstrasse 56, ch-8610 uster declare under our sole responsibility that imx35 series dc-dc converters carrying the ce- mark are in conformity with the provisions of the low voltage directive (lvd) 73/23/eec of the european communities. conformity with the directives is presumed by conformity with the following harmonised standards: ? en 61204:1995 (= iec 61204:1993, modified) low-voltage power supply devices, dc output - performance characteristics and safety requirements ? en 60950-1:2001 (=iec 60950-1:2001) safety of information technology equipment. the installation instructions given in the corresponding data sheet describe correct installation leading to the presumption of conformity of the end product with the lvd. all imx35 series dc-dc converters are components, intended exclusively for inclusion within other equipment by an industrial assembly operation or by professional installers. they must not be operated as standalone products. hence conformity with the electromagnetic compatibility directive 89/336/eec (emc directive) needs not to be declared. nevertheless, guidance is provided in the data sheets on how conformity of the end product with emc standards under the responsibility of the installer can be achieved, from which conformity with the emc directive can be presumed. uster, 14 nov. 2005 power-one ag rolf baldauf johann milavec vice-president engineering director projects and ip

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