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? imx4 series data sheet 4 watt dc-dc converters bcd20006-g rev ac, 06-jul-2012 page 1 of 12 www.power-one.com description the imx4 series of board-mountable, 4-watt dc-dc converters has been designed according to the latest industry requirements and standards. the converters are particularly suitable for use in mobile or stationary applications in transport, industry, or telecom, where variable input voltages or high transient voltages are prevalent. covering a total input voltage range from 8.4 vdc up to 121 vdc with three different models, the converters are available with single and dual outputs from 3.3 up to 24 vdc with flexible load distribution. features include efficient input and output filtering with unsurpassed transient and surge protection, low output ripple and noise, consistently high efficiency over the entire input voltage range and high reliability as well as excellent dynamic response to load and line changes. the converters exhibit basic insulation and are designed and built according to the international safety standards iec/en 60950-1 2 nd ed. 70imx4 models are ce-marked. a special feature is their small case size, dil 24 with only 8.5 mm profile. the circuit is comprised of integrated planar magnetics, and all components are automatically assembled and solidly soldered onto a single pcb without any wire connection. thanks to the rigid mechanical design, the converters withstand an extremely high level of shock and vibrations. 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 85 c in free air without using any potting material. several options, such as open-frame or an alternative industrial pinout, provide a high level of application-specific engineering and design-in flexibility. 32 1.25" 20 0.8" 8.5 0.34 " description ............................................................................. 1 model selection ..................................................................... 2 functional description ........................................................... 3 electrical input data ............................................................... 4 electrical output data ............................................................ 6 electromagnetic compatibility (emc) .................................... 8 mechanical data .................................................................... 9 immunity to environmental conditions ................................ 10 safety and installation instructions ...................................... 10 description of options ......................................................... 11 table of contents page page features ? rohs lead-free-solder and lead-solder-exempted products are available. input voltage ranges up to 121 vdc 1 or 2 isolated outputs up to 48 v extremely wide input voltage ranges immunity according to iec/en 61000-4-2, -3, -4, -5, -6 high efficiency (typ. 83%) flexible load distribution on outputs outputs no-load, overload, and short-circuit proof high reliability operating ambient temperature ? 40 to +85 c thermal protection industrial and alternative pinout dil 24 case with 8.5 mm profile 2 1 except 70imx4 2 70imx4 models safety-approved to iec 60950-1 2 nd ed and csa/ul 60950-1 2 nd ed. 1
? imx4 series data sheet 4 watt dc-dc converters bcd20006-g rev ac, 06-jul-2012 page 1 of 12 www.power-one.com model selection table 1: model selection output 1 output 2 output power input voltage efficiency model options 2 v o1 nom i o1 nom v o2 nom i o2 nom p o nom range ? ? min ? ? typ [ vdc] [ma] 1 [ vdc] [ma] 1 [w ] [ vdc] [%] [%] 3.3 900 - - 3.0 8.4 to 36 77.3 79 20imx4-03-8 z, g 3.3 900 - - 3.0 16.8 to 75 77 80 40imx4-03-8 z, g 5 700 - - 3.5 4.7 to 16.8 76 - 5IMX4-05-8 z, g 5 700 - - 3.5 8.4 to 36 78 81 20imx4-05-8 k, z, g 5 700 - - 3.5 16.8 to 75 78 81 40imx4-05-8 k, z, g 5 700 - - 3.5 40 to 121 75.5 78 70imx4-05-8 g 12 300 - - 3.6 4.7 to 16.8 79 - 5IMX4-12-8 z, g 12 340 - - 4.1 8.4 to 36 78 82 20imx4-12-8 k, z, g 12 340 - - 4.1 16.8 to 75 78 82 40imx4-12-8 k, z, g 12 340 - - 4.1 40 to 121 77 82 70imx4-12-8 g 15 250 - - 3.75 4.7 to 16.8 79 - 5IMX4-15-8 z, g 15 280 - - 4.2 8.4 to 36 78 82 20imx4-15-8 k, z, g 15 280 - - 4.2 16.8 to 75 78.7 82 40imx4-15-8 k, z, g 15 280 - - 4.2 40 to 121 77 82 70imx4-15-8 g +5 350 ? 5 350 3.5 8.4 to 36 77 81 20imx4-0505-8 k, z, g +5 350 ? 5 350 3.5 16.8 to 75 76 81 40imx4-0505-8 k, z, g +5 350 ?5 350 3.5 40 to 121 75.5 78 70imx4-0505-8 g +12 170 ?12 170 4.1 8.4 to 36 76 82 20imx4-1212-8 k, z, g +12 170 ?12 170 4.1 16.8 to 75 76 82 40imx4-1212-8 k, z, g +15 140 ?15 140 4.2 8.4 to 36 78 82 20imx4-1515-8 k, z, g +15 140 ?15 140 4.2 16.8 to 75 76 82 40imx4-1515-8 k, z, g +24 80 ?24 80 3.8 8.4 to 36 76 83 20imx4-2424-8 z, g +24 80 ?24 80 3.8 16.8 to 75 76 83 40imx4-2424-8 z, g 1 flexible load distribution on double-outputs possible 2 for availibility and lead times ask power-one ! preferred for new designs. part number description input voltage range v i 20 imx4 - 05 05 -8 k z g 4.7 to 16.8 vdc ........................................... 5 8.4 to 36 vdc ............................................ 20 16.8 to 75 vdc .......................................... 40 40 to 121 vdc ........................................... 70 series ........................................................................ imx4 output voltage of output 1 ...................... 03, 05, 12, 15, 24 output voltage of output 2 ............................ 05, 12, 15, 24 operating ambient temperature range ?40 to 85 c .... -8 options: alternative pinout ......................................... k open frame .................................................. z rohs compliant for all six substances ........ g 1 1 g is always placed at the end of the part number. g is preferred for new designs. note: the sequence of options must follow the order above. example: 40 imx4-0505-8kg: dc-dc converter, input voltage range 16.8 to 75 v, 2 outputs providing 5 v, 350 ma, temperature range ? 40 to 85 c, alternative pinout, rohs-compliant for all six substances ? imx4 series data sheet 4 watt dc-dc converters bcd20006-g rev ac, 06-jul-2012 page 3 of 12 www.power-one.com functional description the imx4 series converters are feedback-controlled flyback converters using current mode pwm (pulse width modulation). the input is protected against transients by means of a suppressor diode. the output voltage is monitored by a separate transformer winding close to the secondary windings and fed back to the control circuit. current limitation is provided by the primary circuit, thus limiting the total output current ( i o nom for single- and the sum i o1 nom + i o2 nom for dual-output models). the close magnetic coupling provided by the planar construction ensures very good regulation and allows for flexible load distribution on dual-output models. fig. 2 block diagram for dual-output models with standard pinout. pwm vi+ vi? vo+ vo? go 23 22 2 3 14 16 11 03045 pwm vi+ vi? vo+ vo? go 1 24 15 10 13 03047 11 fig. 4 block diagram for dual-output models with alternative pinout (option k). fig. 3 block diagram for single-output models with alternative pinout (option k). fig. 1 block diagram for single-output models with standard pinout. pwm vi+ vi? vo+ vo? 22 3 14 16 10 23 2 03044 pwm vi+ vi? vo+ vo? 1 24 13 12 2 03046 n.c. ? imx4 series data sheet 4 watt dc-dc converters bcd20006-g rev ac, 06-jul-2012 page 4 of 12 www.power-one.com table 3: input electrolytic capacitors model 20imx4 40imx4 70imx4 c i 100 f 47 f 330 f 50 v 100 v 200 v electrical input data general conditions: t a = 25 c, unless t c is specified. table 2: input data input 5i mx4 20imx4 40imx4 70imx4 unit characteristics conditions min typ max min typ max min typ max min typ max v i input voltage range t c min to t c max 4.7 5.0 16.8 8.4 36 16.8 2 75 40 121 vdc v i nom nominal input voltage i o = 0 to i o nom 5.0 20 40 70 v i sur repetitive surge voltage abs. max input (3 s) -- 40 100 150 t start-up converter start-up time 1 worst case condition at 0.25 0.5 0.25 0.5 0.25 0.5 0.25 0.5 s v i min and full load t rise rise time 1 v i nom resistive load -- 5 5 5 ms i o nom capacitive load -- 12 12 12 i i o no-load input current i o = 0, v i min to v i max -- 15 20 5 10 5 10 ma c i input capacitance -- 0.54 0.3 0.15 f i inr p inrush peak current v i = v i nom 3 3.8 3.7 4.2 5.6 a f s switching frequency v i min to v i max , i o = 0 to i o nom 400 400 400 400 khz i i rr reflected ripple current i o = 0 to i o nom -- 100 60 30 ma pp v i rfi input rfi level en 55011/55022 4 -- a a a class conducted 1 measured with a resistive or max. admissible capacitive load; see fig. 5 2 operation at lower input voltage possible: p o approx. 80% of p o nom at v i min = 14.4 v 3 source impedance according to ets 300132-2, version 4.3. 4 external capacitors required according to table 3. fig. 5 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 inserted in the input line to further limit this current. fig. 6 typ. inrush current at v i nom , p o nom versus time measured according to ets 300132-2, version 4.3 (40imx4). fig. 7 input capacitors a 0 10 20 30 40 s 04034a 0 1 2 3 start-up filter to comply with en 55011/55022 electromagnetic emission requirements according to table electrical input data can be achieved by adding an external capacitor as close as possible to the input terminals (see fig. 7 and table 3). vi+ vi? c i 04035b + v o nom v o t startup t rise t 04008b ? imx4 series data sheet 4 watt dc-dc converters bcd20006-g rev ac, 06-jul-2012 page 5 of 12 www.power-one.com input transient voltage protection in many applications transient voltages on the converter input are always possible. these may be caused for example by short circuits between vi+ and vi?, where the network inductance may generate high energy pulses. in order to protect the converter, a transient voltage suppressor diode is fitted to the input; see table below. table 4: built-in transient voltage suppressor model break down peak power peak pulse voltage at 1 ms current v br nom p p i pp 5IMX4 -- -- -- 20imx4 40 v 600 w 10.3 a 40imx4 100 v 600 w 4.1 a 70imx4 150 v 600 w 2.9 a fig. 8 external circuitry to comply with iec/en 61000-4-5, level 2. vi+ vi? c i l i d + 04036b if transients generating currents above the peak pulse current i pp are possible, an external limiting network such as the circuit shown in figure 8 is recommended. it provides compliance with transients according to iec/en 61000-4-5, level 2. the comp- onents are specified in table 5. if 40imx4 converters should withstand 150 v transients according to 19pfl1, the same external circuitry with similar components as shown in figure 8 can be used. fuse and reverse polarity protection the suppressor diode on the input also protects against reverse polarity input voltage. an external fast fuse is required to limit this reverse current; see table below. table 6: external input fuse model fuse type 5IMX4 fast 1.6 a 20imx4 fast 1 a 40imx4 fast 0.5 a 70imx4 fast 0.315 a table 5: components for the circuitry fig. 8 model 20imx4 40imx4 70imx4 l i 330 h, 0.42 w 330 h, 0.42 w 330 h, 0.65 w 1 a 0.6 a 0.3 a c i 68 f, 50 v 68 f, 100 v 100 f, 200 v d on 1.5ke 39 a on 1.5ke 82 a ? ? imx4 series data sheet 4 watt dc-dc converters bcd20006-g rev ac, 06-jul-2012 page 6 of 12 www.power-one.com electrical out put data general conditions: t a = 25 c, unless t c is specified. table 7a: output data for single-output models output v o nom 3.3 v 5 v 12 v 15 v unit characteristics conditions min typ max min typ max min typ max min typ max v o output setting voltage v i nom, i o = 0.5 i o nom 3.27 3.33 4.96 5.04 11.90 12 .10 14.88 15.12 v i o nom output current (nom.) v i min to v i max 5IMX4 -- 700 300 250 ma others 900 700 340 280 i o l current limit 2 v i nom 5IMX4 950 1000 375 325 others 1260 1800 955 1400 476 680 392 560 ? v o v line regulation v i min to v i max , i o nom 1 1 1 1 % ? v load regulation v i nom 3.5 3 3 3 i o = (0.1 to 1) i o nom v o output voltage noise v i min to v i max 5 80 80 120 150 mv pp i o = i o nom 6 20 40 20 40 40 60 50 75 v o clp output overvoltage min. load 1% 130 130 130 130 % limitation c o ext admissible capacitive load 0 680 0 680 0 150 0 100 f v o d dynamic volt age deviat. v i nom 250 250 250 250 mv t d load recovery time i o = (1 to 0.5) i o nom 1111m s regulat. vo temperature coefficient v i min to v i max 0.02 0.02 0.02 0.02 %/k ? v o / ? t c i o = (0.1 to 1) i o nom table 7b: output data for dual-output models output v o nom 5 v 12 v 15 v 24 v unit characteristics conditions min typ max min typ max min typ max min typ max v o1 output setting voltage v i nom 4.96 5.04 11.90 12.10 14.88 15.12 23.81 24.19 v v o2 i o1 = i o2 = 0.5 i o nom 4.95 5.05 11.88 12.12 14.85 15.15 23.75 24.25 i o nom output current (nom.) 1 v i min to v i max 2 x 350 2 x 170 2 x 140 2 x 80 ma i o l current limit 2 3 v i nom , t c = 25 c 1000 474 392 232 ? v o v line regulation v i min to v i max , i o nom 1 1 1 1 % ? v load regulation 4 v i nom 3 3.5 3 3 i o = (0.1 to 1) i o nom v o1, 2 output voltage noise v i min to v i max 5 100 140 150 240 mv pp i o = i o nom 6 40 60 45 70 50 75 40 120 v o clp output overvoltage min. load 1% 130 130 130 130 % limitation c o ext admissible capacitive load 3 0 680 0 150 0 100 0 47 f v o d dynamic volt age deviat. v i nom 250 600 750 750 mv t d load recovery time i o = (1 to 0.5) i o nom 1 111m s regulat. vo temperature coefficient v i min to v i max 0.02 0.02 0.02 0.02 %/k ? v o / ? t c i o = (0.1 to 1) i o nom 1 each output is capable of delivering full output power. 2 the current limit is primary side controlled. 3 sum of 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 ? imx4 series data sheet 4 watt dc-dc converters bcd20006-g rev ac, 06-jul-2012 page 7 of 12 www.power-one.com thermal considerations if a converter, mounted on a pcb, is located in free, quasi- stationary air (convection cooling) at the maximum ambient temperature t a max (see table temperature specifications) and is operated at 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 integration into a system. the thermal conditions depend on input voltage, output current, airflow, temperature of surrounding components and surfaces and the 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. 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. the installer must ensure that under all operating conditions t c remains within the limits stated in the table temperature specifications. short circuit behavior the current limitation shuts down the converter, when a short circuit is applied to the output. it acts self-protecting, and automatically recovers after removal of the overload condition. output overvoltage protection the outputs are protected against overvoltages by zener diodes. in the event of an overvoltage, the converter will shut- down and attempt to restart automatically. the main purpose of this feature is to protect against possible overvoltages, which could occur due to a failure in the feedback control circuit. the converters are not designed to withstand external overvoltages applied to the outputs. connection in series the outputs of single or dual-output models can be connected in series without any precautions, taking into consideration that the output voltage should remain below 60 v for selv operation. fig. 9 overload switch-off (hiccup mode). 70 100 v o [%] t [ms] 05041a 0.3 s overload short circuit condition switch-off 0 connection in parallel several converters with equal output voltage can be connected in parallel and will share their output current quite equally. however, this may cause start-up problems and is only recommended in applications, where one converter is able to deliver the full load current, e.g., in true redundant systems. typical performance curves fig. 10 v o versus i o (typ) of single-output models (20imx4-05) fig. 11 v o versus i o (typ.) of dual-output models (15 v), with load connected between vo+ and vo ?. fig. 12 cross load regulation of dual-output models. v o1 versus i o1 (typ) for various i o2 (40imx4-1515). 14 14.5 15 15.5 16 16.5 v o1 [v] 20 40 60 80 100 120 140 ma i o1 0 i o2 = 140 ma i o2 = 14 ma 05058a 5.25 5.0 4.75 4.5 4.25 4.0 00.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 a v o [v] 05056b i o 28.5 29 29.5 30 30.5 31 31.5 v o1 + v o2 [v] 20 40 60 80 100 120 140 ma 0 05057a i o ? imx4 series data sheet 4 watt dc-dc converters bcd20006-g rev ac, 06-jul-2012 page 8 of 12 www.power-one.com fig. 14 efficiency versus input voltage and load. typical values (40imx4-1212). fig. 13 flexible load distribution on dual outputs (2 12 v) with load variation from 0 to 150% of p o1 nom on output 1. output 2 loaded with 25% of p o2 nom . 40 50 60 70 80 90 [%] 05060a 25 50 75 100 p o1 p o nom [%] v i nom v i max v i min electromagnetic compatibility (emc) electromagnetic immunity table 8: immunity type tests phenomenon standard class coupling value waveform source test in per- level mode applied imped. procedure oper. form. 2 electrostatic iec/en 2 contact discharge 4000 v p 1/50 ns 330 ? 10 positive and yes b discharge 61000-4-2 3 air discharge 8000 v p 10 negative to case discharges electromagnetic iec/en 3 3 antenna 10 v/m am 80% n.a. 80 ? 1000 mhz yes a field 61000-4-3 1 khz 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 5 khz repet. rate, 60 s negative 15 ms burst, coupling mode 300 ms period surges iec/en 2 4 +i/?i 1000 v p 1.2/50 s 2 ? 5 pos. and 5 neg. yes b 61000-4-5 surges rf conducted iec/en 3 +i/?i 3 vac am 80% 50 ? 0.15 to 80 mhz yes a immunity 61000-4-6 (140 dbv) 1 khz 150 w 1 i = input, o = output 2 performance criterion: a = normal operation, no deviation from specifications, b = temporary loss of function or deviation from specs. 3 corresponds to the railway standard en 50121-3-2:2000, table 9.1 4 external components required. v o1 , v o2 [v] i o1 05059b 12.8 12.4 12 11.6 11.2 030 60 90 120 150 % i o1 no m v o2 v o1 ? imx4 series data sheet 4 watt dc-dc converters bcd20006-g rev ac, 06-jul-2012 page 9 of 12 www.power-one.com 10 20 30 40 50 60 70 80 0.2 0.5 1 2 5 10 20 mhz dbv 20imx4-cond_p 20imx4-2424-8, peak vi+, conducted, 0.15 - 30 mhz, uster, 30-jun-06 ci = 100 f, vi = 20 v, ro = 660 ohm, lead length 10 cm. en 55011 a fig. 15a typical disturbance voltage (peak) at the pos. input according to en 55011/55022, measured at v i nom and i o nom . output leads 0.1 m, twisted. input capacitors see table 3. (20imx4-2424-8). electromagnetic emission conducted rfi noise at input according to en 55011/55022 mechanical data dimensions in mm (inchies). tolerances 0.3 mm fig. 16 standard or alternative pinout (option k) weight: <10 g fig. 17 open frame (option z) weight: <10 g fig. 15b typical disturbance voltage (peak) at the pos. input according to en 55011/55022, measured at v i nom and i o nom . output leads 0.1 m, twisted. input capacitors see table 3. (40imx4-05-8z). fig. 15c typical disturbance voltage (peak) at the pos. input according to en 55011/55022, measured at v i nom and i o nom . output leads 0.1 m, twisted. input capacitors see table 3. (70imx4-15-8). 31 (1.22") 1 20 (0.79") 12 13 24 11 x 2.54 (0.1") s90004a 8.5 (0.33") 0.5 (0.02") 3 (0.12") 15.24 (0.6") european projection 10 20 30 40 50 60 70 80 0.2 0.5 1 2 5 10 20 mhz dbv 40imx4-cond_p 40imx4-05-8z, peak vi+, conducted, 0.15 - 30 mhz, uster, 30-jun-06 ci = 47 f, vi = 40 v, ro = 8.2 ohm, lead length 10 cm. en 55011 a 0.2 0.5 1 2 5 10 20 mhz 10 20 30 40 50 60 70 80 dbv 70imx4-cond_p 70imx4-15-8, peak vi+, conducted, 0.15 - 30 mhz, uster, 1-sep-06 ci = 330 f, vi = 70 v, ro = 68 ohm, lead length 10 cm. en 55011 a european projection 33 (1.3") 1 20 (0.79") 12 1 13 24 11 x 2.54 (0.1") s09042b 15.24 (0.6") 8.5 (0.33") 0.5 (0.02") 3.1 (0.12.2") measuring point of case temperature t c ? imx4 series data sheet 4 watt dc-dc converters bcd20006-g rev ac, 06-jul-2012 page 10 of 12 www.power-one.com immunity to environmental conditions table 9: mechanical and climatic stress test method standard test conditions status ca damp heat iec/en 60068-2-78 t emperature: 40 2 c converter steady state mil-std-810d section 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 section 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 section 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) fh vibration, iec/en 60068-2-64 acceleration spectral density: 0.05 g n 2 /hz converter broad-band frequency band: 10 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% (30 c) converter (sodium chloride duration: 2 h per cycle not nacl solution) storage: 40 c, 93% rel. humidity operating cycles and storage duration: 3 days, 22 h per cycle 1 covers also en 50155/en 61373 category 1, class b, body mounted (= chassis of coach) failure rates table 10: temperature specifications, valid for air pressure of 800 to 1200 hpa (800 to 1200 mbar) temperature standard (-8) unit characteristics conditions min max t a ambient temperature operational 1 ?40 85 c t c case temperature ?40 105 t s storage temperature non operational ?55 105 1 see thermal considerations temperatures table 11: mtbf mtbf ground benign ground fixed ground mobile unit t c = 40 c t c = 40 c t c = 70 c t c = 50 c 40imx4-05-8 (mil-hdbk-217f) 890 000 440 000 247 000 362 000 h 40imx4-1212-8 (bellcore) 3 535 000 1 768 000 917 000 476 000 ? imx4 series data sheet 4 watt dc-dc converters bcd20006-g rev ac, 06-jul-2012 page 11 of 12 www.power-one.com safety and installation instructions installation instruction installation of the dc-dc 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; see mechanical data . the converters should be connected to a secondary circuit. do not open the converter. ensure that a converter failure does not result in a hazardous condition. to prevent excessive current flowing through the input lines in case of a short-circuit, an external fuse specified in table 6 should be installed in the non-earthed input supply line. pin allocation fig. 18 foot print 1 12 13 24 10013a bottom view table 12: pin allocation for standard and option z pin single-output models dual-output models 2 vi? vi? 3 vi? vi? 10 n.c. -- 11 - - vo ? 14 vo + vo+ 16 vo ? go 22 vi+ vi+ 23 vi+ vi+ table 13: pin allocation for option k pin single-output models dual-output models 1 vi+ vi+ 2 n.c. -- 10 -- go 11 - - go 12 vo ? -- 13 vo + vo? 15 -- vo+ 24 vi? vi? standards and approvals the converters are approved according to ul/csa 60950,iec 60950-1:2001 and iec/en 60950 -1 2 nd edition. the converters have been evaluated for: building-in basic insulation input to output, based on their maximum input voltage pollution degree 2 environment connecting the input to a secondary circuit, which is subject to a maximum transient rating of 1500 v for 20imx4 and 40imx4, and 2000 v for 70imx4 models. the converters are subject to manufacturing surveillance in accordance with the above mentioned standards and with iso 9001:2000. railway applications to comply with railway standards, all components are coated with a protective lacquer (except option z). protection degree the protection degree of the converters is ip 30, except open- frame models (option z). cleaning liquids in order to avoid possible damage, any penetration of cleaning fluids should be prevented, since the power supplies are not hermetical sealed. however, open-frame models (option z) leave the factory unlacquered; they may be lacquered by the customer, for instance together with the mother board. cleaning agents are not permitted ? except washing at room temperature with isopropyl alcohol. if necessary, the mother board must be cleaned, before fitting the open-frame converter. note: cleaning liquids may damage the adhesive joints of the ferrite cores. isolation the electric strength test is performed in the factory as routine test in accordance with en 50116 and iec/en 60950, and should not be repeated in the field. power-one will not honor any warranty claims resulting from electric-strength field tests. table 14: electric strength test voltages characteristic input to output unit 5IMX4 20/40imx4 70imx4 factory test >1 s 0.77 1.2 1.5 kvac equivalent dc test voltage 1.0 1.5 2.0 kvdc coupling capacitance 2.2 typ. 1.1 typ. 1.1 nf insulation resist. (500 vdc) -- >100 >100 m ? ? imx4 series data sheet 4 watt dc-dc converters bcd20006-g rev ac, 06-jul-2012 page 12 of 12 www.power-one.com 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 written 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 depending on the date manufactured. specifications are subject to change without notice. description of options option k: alternative pinout this pinout is compatible with other converters on the market. option z: open frame for applications, where the protection of the case is not necessary or in the case that the motherboard should be cleaned and lacquered with the converter fitted. option g: rohs-6 converters with a type designation ending with g are rohs- compatible for all six substances. |
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