View PSK2412-7CB_7679372.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

pss, psk extended data sheet positive switching regulator (rugged) rev. feb. 25 2004 page 1 of 18 input voltage up to 144 vdc single output of 12 to 48 vdc no input to output isolation ? high efficiency up to 97% extremely wide input voltage range ? low input to output differential voltage very good dynamic properties input undervoltage lock-out active current sharing for parallel operation output voltage adjustment, inhibit and sense lines fast dynamic response continuous no-load and short-circuit proof no derating table of contents page summary ......................................................................... 1 model selection and key data ........................................ 2 part number description and product marking .............. 2 functional description .................................................... 3 electrical input data ........................................................ 3 electrical output data ...................................................... 4 auxiliary functions .......................................................... 7 page electromagnetic compatibility (emc) ............................. 9 immunity to environmental conditions ......................... 10 mechanical data ........................................................... 11 safety and installation instructions ................................ 13 description of options ................................................... 15 accessories ................................................................... 17 ec declaration of conformity ........................................ 18 summary the pss/psk series of positive switching regulators is de- signed as power supply modules for electronic systems. their major advantages include a high level of efficiency that remains virtually constant over the entire input range, high reliability, low ripple and excellent dynamic response. modules with input voltages up to 144 v are specially designed for secondary switched and battery-driven mobile applications. the standard case design with heat sink allows operation at nominal load up to 71c without additional cooling, suitable for 19" rack or chassis mounting. replacing the heat sink by an optional cooling plate b or b1, allows chassis or wall mounting on top of a metal surface, acting as heat sink. connector type: h15 (according to din 41612). safety according to iec/en 60950, ul 1950 168 6.6" 80 3.2" 16 te 111 4.4" 3 u 168 6.6" 60 2.4" 12 te 111 4.4" 3 u
pss, psk extended data sheet positive switching regulator (rugged) rev. feb. 25 2004 page 2 of 18 model selection and key data table 1: type survey output output input input efficiency 2 type o ptions voltage current voltage range voltage designation v o nom [v] i o nom [a] v i [v] 1 v i nom [v] h h h h h min [%] h h h h h typ [%] 12 9 18 - 144 60 90 91 pss 129-7 b, b1 12 12 18 - 144 60 90 91 psk 1212-7 -9 15 3 9 22 - 144 60 90 92 pss 129-7 e 15 3 12 22 - 144 60 90 92 psk 1212-7 p 24 9 31 - 144 60 93 94 pss 249-7 c 24 12 31 - 144 60 93 94 psk 2412-7 36 9 44 - 144 80 95 96 pss 369-7 36 12 44 - 144 80 95 96 psk 3612-7 48 9 58 - 144 80 96 97 pss 489-7 48 12 58 - 144 80 96 97 psk 4812-7 1 surges up to 156 v for 2 s. see also: electrical input data: d v io min . 2 efficiency at v i nom and i o nom . 3 output set to 15 v at r control input part number description and product marking type key psk 12 12 -7 e p c b positive switching regulator in case s01, k01 .. pss, psk nominal output voltage in volt .............................. 12, ...48 nominal output current in ampere ............................ 9, 12 operational ambient temperature range t a ?25 to 71c ................................................ -7 ?40 to 71c (option) .................................. -9 options: inrush current limitation ............................... e potentiometer 1 ............................................ p thyristor crowbar ........................................ c cooling plate large/small ..................... b, b1 1 option p excludes r-features and vice versa. example: pss 129-7epcb = a positive switching regulator with a 12 v, 9 a output, ambient temperature range of ?25 to 71c, inrush current limitation, potentiometer, crowbar and large cooling plate b. non standard input/output configurations or special custom adaptions are available on request. note: all units feature the following auxiliary functions which are not shown in the type designation: input filter, in- hibit, r control, sense lines, current sharing and test jacks. produkt marking basic type designation, applicable safety approvals and recognition marks, warnings, pin allocation, power-one patents and company logo, identification of led, test sockets and optional potentiometer. specific type designation, input voltage range, nominal output voltage and current, protection degree, batch no., serial no. and data code including production site, modification status and date of production.
pss, psk extended data sheet positive switching regulator (rugged) rev. feb. 25 2004 page 3 of 18 electrical input data general conditions: t a = 25c, unless t c is specified table 2a: input data input pss 129 pss 129 2 pss 249 psk 1212 psk 1212 2 psk 2412 characteristics conditions min typ max min typ max min typ max unit v i operating input voltage 1 i o = 0 - i o nom 18 144 22 144 31 144 vdc d v io min min. diff. voltage v i ? v o t c min - t c max 677 v i o undervoltage lock-out 12 12 24 i i 0 no load input current i o = 0, v i min - v i max 50 50 50 ma i inr p peak value of inrush current v i nom , with option e 4.5 4.5 4.5 a v i rfi input rfi level, en 55011/22 v i nom , i o nom bbb 0.15 - 30 mhz 1 surges up to 156 v for 2 s. 2 output set to 15 v at r control input, see auxiliary functions . control circuit go? vo+ gi? vi+ r i i o v o i i v i 03024 input filter s+ cs s? option p option c option e + ? 4 6 20 22 14 16 18 8 10 30 32 26 28 24 fig. 1 block diagram functional description the switching regulators are designed using the buck con- verter topology. the input is not electrically isolated from the output. during the on period of the switching transistor, current is transferred to the output and energy is stored in the output choke. during the off period, this energy forces the current to continue flowing through the output chocke to the load and back through the freewheeling diode. regulation is accomplished by varying on/off duty cycle. these regulators are ideal for a wide range of applications, where input to output isolation is not necessary, or where already provided by an external front end (e.g. a transformer with rectifier). to optimise customer?s needs, additional options and accessories are available.
pss, psk extended data sheet positive switching regulator (rugged) rev. feb. 25 2004 page 4 of 18 table 2b: input data input pss 369 pss 489 psk 3612 psk 4812 characteristics conditions min typ max min typ max unit v i operating input voltage i o = 0 - i o nom 44 144 58 144 v d v io min min. diff. voltage v i ? v o t c min - t c max 810 v i o undervoltage lock-out 36 48 i i 0 no load input current i o = 0, v i min - v i max 50 50 ma i inr p peak value of inrush current v i nom , with option e 6 6 a v i rfi input rfi level, en 55011/22 v i nom , i o nom bb 0.15 - 30 mhz 1 surges up to 156 v for 2 s (complying to les-db standard for u n = 110 v). 2 output set to 15 v at r control input, see auxiliary functions . input filter and fuse an input filter and a fuse are incorporated in all modules as standard. the filter reduces emitted electrical noise and prevents oscillations caused by the negative input imped- ance characteristic of a switched mode regulator. the input fuse protects against severe defects. the maximum permissible additionally superimposed rip- ple v i of the input voltage (rectifier mode) at a specified in- put frequency f i has the following values: v i max = 10 v pp at 100 hz, or v pp = 1000 hz/ f i 1 v inrush current depending on the input source and the input impedance, the inrush current into the regulator may peak several thou- sand amperes during the switch-on sequence. it also deter- mine the rating of input devices such as switches, relays, fuses etc. to protect these input devices by limiting the peak of the inrush current we recommend the use of the active inrush current limitation circuit, option e. electrical output data general conditions: ? t a = 25c, unless t c is specified ? with r control output voltage v o = v o nom at i o nom ? sense lines connected at female connector table 3a: output data output pss 129 pss 129 3 pss 249 characteristics conditions min typ max min typ max min typ max unit v o output voltage v i nom , i o nom 11.93 12.07 14.91 15.09 23.86 24.14 v i o output current 1 v i min - v i max 09.009.009.0a i ol output current limitation t c min - t c max 9.0 11.25 9.0 11.25 9.0 11.25 response v o output switching freq. v i nom , i o nom 25 50 30 60 35 60 mv pp voltage total iec/en 61204 2 29 54 34 64 39 65 noise bw = 20 mhz d v o u static line regulation v i min - v i max , i o nom 40 70 50 80 80 170 mv d v o l static load regulation v i nom , i o = 0 - i o nom 30 50 40 60 50 120 v o d dynamic volt age deviat. v i nom 140 140 180 t d load recovery time i o nom ? 1 / 3 i o nom 60 60 60 s regulation iec/en 61204 2 a uo temperature coefficient v i min - v i max 3 4 5 mv/k d v o / d t c ( t c min - t c max ) i o = 0 - i o nom 0.02 0.02 0.02 %/k 1 see also: thermal consideration. 2 see: technical information: measuring and testing. 3 output set to 15 v at r control input, see: auxiliary functions.
pss, psk extended data sheet positive switching regulator (rugged) rev. feb. 25 2004 page 5 of 18 table 3b: output data output pss 369 pss 489 characteristics conditions min typ max min typ max unit v o output voltage v i nom , i o nom 35.78 35.22 47.71 48.29 v i o output current 1 v i min - v i max 0 9.0 0 9.0 a i ol output current limitation t c min - t c max 9.0 11.25 9.0 11.25 response v o output switching freq. v i nom , i o nom 35 60 35 60 mv pp voltage total iec/en 61204 2 39 64 39 64 noise bw = 20 mhz d v o u static line regulation v i min - v i max , i o nom 120 250 150 350 mv d v o l static load regulation v i nom , i o = 0 - i o nom 60 120 70 150 v o d dynamic volt age deviat. v i nom 200 200 t d load recovery time i o nom ? 1 / 3 i o nom 70 70 s regulation iec/en 61204 2 a uo temperature coefficient v i min - v i max 8 10 mv/k d v o / d t c ( t c min - t c max ) i o = 0 - i o nom 0.02 0.02 %/k table 3c: output data output psk 1212 psk 1212 3 psk 2412 characteristics conditions min typ max min typ max min typ max unit v o output voltage v i nom , i o nom 11.93 12.07 14.91 15.09 23.86 24.14 v i o output current 1 v i min - v i max 0 12.0 0 12.0 0 12.0 a i ol output current limitation t c min - t c max 12.0 15.0 12.0 15.0 12.0 15.0 response v o output switching freq. v i nom , i o nom 25 50 30 60 35 60 mv pp voltage total iec/en 61204 2 29 54 34 64 39 65 noise bw = 20 mhz d v o u static line regulation v i min - v i max , i o nom 40 70 50 80 80 170 mv d v o l static load regulation v i nom , i o = 0 - i o nom 30 50 40 60 50 120 v o d dynamic volt age deviat. v i nom 140 140 180 t d load recovery time i o nom ? 1 / 3 i o nom 60 60 60 s regulation iec/en 61204 2 a uo temperature coefficient v i min - v i max 3 4 5 mv/k d v o / d t c ( t c min - t c max ) i o = 0 - i o nom 0.02 0.02 0.02 %/k 1 see also: thermal consideration. 2 see: technical information: measuring and testing. 3 output set to 15 v at r control input, see: auxiliary functions.
pss, psk extended data sheet positive switching regulator (rugged) rev. feb. 25 2004 page 6 of 18 table 3d: ovtpvt data output psk 3612 psk 4812 characteristics conditions min typ max min typ max unit v o output voltage v i nom , i o nom 35.78 36.22 47.71 48.29 v i o output current 1 v i min - v i max 0 12.0 0 12.0 a i ol output current limitation t c min - t c max 12.0 15.0 12.0 15.0 response v o output switching freq. v i nom , i o nom 35 60 35 60 mv pp voltage total iec/en 61204 2 39 64 39 64 noise bw = 20 mhz d v o u static line regulation v i min - v i max , i o nom 120 250 150 350 mv d v o l static load regulation v i nom , i o = 0 - i o nom 60 120 70 150 v o d dynamic volt age deviat. v i nom 200 200 t d load recovery time i o nom ? 1 / 3 i o nom 70 70 s regulation iec/en 61204 2 a uo temperature coefficient v i min - v i max 8 10 mv/k d v o / d t c ( t c min - t c max ) i o = 0 - i o nom 0.02 0.02 %/k 1 see also: thermal consideration. 2 see: technical information: measvring and testing. 3 output set to 15 v at r control input, see: auxiliary functions. overtemperature protection the unit is self-protecting by an internal temperature moni- tor, which inhibits the output above t c max . the output is au- tomatically enabled again after temperature has dropped below t c max . output protection a voltage suppressor diode which in worst case conditions fails into a short circuit, protects the output against an inter- nally generated overvoltage. such an overvoltage could oc- cur due to a failure of either the control circuit or the switch- ing transistor. the output protection is not designed to with- stand externally applied overvoltages. the user should en- sure that systems with power-one power supplies, in the event of a failure, do not result in an unsafe condition (fail- safe). fig. 2 dynamic load regulation. i o / i o nom 1 v od v od t d t d d v o i d v o i t v o 0 t 10 s 10 s 05010 thermal considerations when a switching regulator is located in free, quasi-station- ary air (convection cooling) at a temperature t a = 71c and is operated at its nominal output current i o nom , the case temperature t c will be about 95c after the warm-up phase, measured at the: measvring point of case tempera- tvre t c (see: mechanical data ). under practical operating conditions, the ambient tem- perature t a may exceed 71c, provided additional meas- ures (heat sink, fan, etc.) are taken to ensure that the case temperature t c does not exceed its maximum value of 95c. example: sufficient forced cooling allows t a max = 85c. a simple check of the case temperature t c ( t c 95c) at full load ensures correct operation of the system. 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 50 60 70 80 90 100 i o / i o nom t a [?c ] 0.9 1.0 forced cooling 05031 t a min t c max convection cooling fig. 3 output current derating versus temperature.
pss, psk extended data sheet positive switching regulator (rugged) rev. feb. 25 2004 page 7 of 18 1.2 1.0 0.8 0.6 0.4 0 0.2 0.4 1.0 1.2 0.2 0.6 0.8 1.4 v o / v o nom i o / i o nom i o no m i o l 05038 fig. 4 overload, short-circuit behaviour v o versus i o . parallel and series connection outputs of equal nominal voltages can be parallel-con- nected. use the current sharing feature (cs) for even distri- bution of the output current. see also: auxiliary functions. outputs can be series-connected with any other module. in series-connection the maximum output current is limited by the lowest current limitation. electrically separated source voltages are needed for each module! short circuit behaviour a constant current limitation circuit holds the output current almost constant whenever an overload or a short circuit is applied to the regulator's output. it acts self-protecting and recovers ? in contrary to the fold back method ? automati- cally after removal of the overload or short circuit condition. i inhibit (remote on / off) note: with open i input, output is enabled ( v o = on) the inhibit input allows the switching regulator output to be disabled via a control signal. in systems with several units, this feature can be used, for example, to control the activa- tion sequence of the regulators by a logic signal (ttl, c- mos, etc.). an output voltage overshoot will not occur when switching on or off. the inhibit characteristics are refer- enced to the s? remote sense terminal. vi+ gi? s? i s+ i inh v inh 06047 fig. 6 definition of i inh and v inh auxiliary functions s sense lines note: sense lines should always be connected! it is rec- ommended to connect the sense lines directly at the female connector. see also: technical information. this feature enables compensation of voltage drop across the connector contacts and the load lines. in case the sense lines are connected at the load rather than directly at the connector, the user must ensure that v o max (between vo+ and go?) is not exceeded. applying generously dimensioned cross-section load leads avoids troublesome voltage drop. to minimize noise pick-up wire sense lines in parallel or twisted. to ensure correct operation, both sense lines must be con- nected to their respective power output potential. the volt- age difference between any sense line and its respective power output pin (as measured on the connector) should not exceed the values given in the following table. table 4: maximvm allowed voltage compensation nominal output total voltage difference voltage difference voltage between both sense lines between and their respective output go? and s? 12 - 48 v <1.0 v <0.25 v fig. 5 sense lines connection vi+ i r cs gi? vo+ s+ s? go ? load 06046 fig. 7 typical inhibit current i inh versus inhibit voltage v inh 4 2 0 ?50 ?40 20 40 ?30 0 ?20 ?10 10 30 50 5 3 1 i inh [ma] v inh [v] v o on v o off v inh = 0.8 v v inh = 2.4 v 06034 0 t t 0 inhibit 1 0.1 1 v o / v o nom t r t f 06001 fig. 8 output response as a function of inhibit signal
pss, psk extended data sheet positive switching regulator (rugged) rev. feb. 25 2004 page 8 of 18 table 5: inhibit characteristics characteristics conditions min typ max unit v inh inhibit input voltage to keep v o = on v i min - v i max ?50 +0.8 vdc regulator output voltage - v o = off t c min - t c max +2.4 +50 t r switch-on time after inhibit command v i = v i nom 150 ms t f switch-off time after inhibit command r l = v o nom / i o nom 30 i i inh input current when inhibited v i = v i nom 25 ma r control for output voltage adjustment note: with open r input, v o v o nom . the output voltage v o can either be adjusted with an exter- nal reference voltage ( v ext ) or with an external resistor ( r 1 or r 2 ). the adjustment range is 0 - v o max . the minimum dif- ferential voltage d v io min between input and output (see: electrical input data ) should be maintained. undervoltage lock-out = minimum input voltage. s+ r + 4000 ? v ref v ext ? + s? 06048 s+ r ? + 4000 ? u ref r 1 r 2 s? 06049 fig. 9 voltage adjustment with v ext between r and s? a) v o = 0 - v o max , using v ext between r and s?: v o v ext v ext 2.5 v ????? v o v o nom ????? v o nom 2.5 v fig. 10 voltage adjustment with external resistor r 1 or r 2 b) v o = 0 - 100% v o nom , using r 1 between r and s?: 4000 ? v o v o nom r 1 r 1 ??????????? v o ??????????? v o nom ? v o r 1 + 4000 ? c) v o = v o nom - v o max , using r 2 between r and s+: 4000 ? v o ( v o nom ? 2.5 v) r 2 ???????????????????????? 2.5 v ( v o ? v o nom ) v o nom 2.5 v r 2 v o ???????????????????????????????? 2.5 v ( r 2 + 4000 ? ) ? v o nom 4000 ? caution: to prevent damage v ext should not exceed 20 v, nor be negative, and r 2 should never be less than 47 k ? . table 6: maximum adjustable output voltage characteristics conditions pss 129 pss 249 pss 369 pss 489 psk 1212 psk 2412 psk 3612 psk 4812 min typ max min typ max min typ max min typ max unit v o max maximum adjustable v i nom , i o nom 16.0 26.0 42.5 52.8 v output at r control input cs current sharing for parallel operation of several modules, interconnecting all cs pins ensures that the output currents are evenly dis- tributed. this feature improves transient load performance and increases system reliability. all paralleled units should be supplied by equal input voltage ( v i ) and interconnecting leads should have equal length and cross section to ensure equal voltage drop. test sockets test sockets (pin ? = 2 mm) for measuring the output volt- age v o internally at the cxonnector terminals, are located at the front side of the module. the test sockets are protected by a series resistor. led output voltage indicator a green output indicator led shines when the output volt- age is present.
pss, psk extended data sheet positive switching regulator (rugged) rev. feb. 25 2004 page 9 of 18 electromagnetic compatibility (emc) electromagnetic immunity general condition: case not earthed. table 7: immunity type tests phenomenon s tandard 1 class coupling value waveform source test in per- level mode 2 applied im ped. procedure oper. form. 3 1 mhz burst iec iii i/o, i/c, o/c 2500 v p 400 damped 200 ? 2 s per yes a disturbance 60255-22-1 +i/?i, +o/?o 1000 v p 1 mhz waves/s coupling mode voltage surge iec 60571-1 i/c, +i/?i 800 v p 100 s 100 ? yes b 1500 v p 50 s 1 pos. and 1 neg. voltage surge per coupling mode 3000 v p 5 s 4000 v p 1 s 7000 v p 100 ns electrostatic iec/en 4 contact discharge 8000 v p 1/50 ns 330 ? 10 positive and yes a discharge 61000-4-2 to case 10 negative discharges electromagnetic iec/en 3 antenna 10 v/m am 80% 80 - 1000 mhz yes a field 61000-4-3 1 khz electrical fast iec/en 3 i/c, +i/?i 2000 v p bursts of 5/50 ns 50 ? 60 s positive yes a transient/burst 61000-4-4 4 4000 v p 5 khz rep. rate 60 s negative b 4 transients with bursts per 15 ms burst coupling mode duration and a 300 ms period surge iec/en 3 i/c 2000 v p 1.2/50 s 12 ? 5 pos. and 5 neg. yes a 61000-4-5 +i/?i 1000 v p 2 ? surges per coupling mode conducted iec/en 3 i, o, si gnal wires 10 vac am 80% 150 ? 0.15 - 80 mhz yes a disturbances 61000-4-6 ( 140 db v) 1 khz 1 for related and previous standards see: technical information: emc . 2 i = input, o = output, c = case. 3 a = normal operation, no deviation from specifications, b = normal operation, temporary deviation from specs possible. 4 with option c, manual reset might be necessary. electromagnetic emission for emission levels refer to: electrical input data . 07022 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] mh z 0.02 fig. 11 typical disturbance voltage (quasi-peak) at the input according to en 55011/22 measured at v i nom and i o nom .
pss, psk extended data sheet positive switching regulator (rugged) rev. feb. 25 2004 page 10 of 18 immunity to environmental conditions table 8: mechanical stress test method standard t est conditions status ca damp heat iec/din iec 60068-2-3 temper ature: 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: 100 g n = 981 m/s 2 unit (half-sinusoidal) mil-std-810d section 516.3 bump duration: 6 ms operating number of bumps: 18 (3 each direction) eb bump iec/en/din en 60068-2-29 acceleration amplitude: 40 g n = 392 m/s 2 unit (half-sinusoidal) mil-std-810d section 516.3 bump duration: 6 ms operating number of bumps: 6000 (1000 each direction) f c vibration iec/en/din en 60068-2-6 acceleration amplitude: 0.35 mm (10 - 60 hz) unit (sinusoidal) mi l-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) fda random vibration iec 60068-2-35 acceleration spectral density: 0.05 g 2 /hz unit wide band din 40046 part 23 frequency band: 20 - 500 hz operating reproducibility acceleration magnitude: 4.9 g rms high test duration: 3 h (1 h each axis) kb salt mist, cyclic iec/en/din iec 60068-2-52 concentration: 5% (30c) unit not (sodium chloride duration: 2 h per cycle operating nacl solution) storage: 40c, 93% rel. humidity storage duration: 22 h per cycle number of cycles: 3 table 9: temperature specifications, valid for an air pressure of 800 - 1200 hpa (800 - 1200 mbar) temperature standard -7 option -9 characteristics conditions min max min max unit t a ambient temperature 1 operational 2 ?25 71 ?40 71 c t c case temperature ?25 95 ?40 95 t s storage temperature 1 non operational ?40 100 ?55 100 1 mil-std-810d section 501.2 and 502.2. 2 see: thermal considerations and overtemperature protection. table 10: mtbf and device hovrs mtbf g round benign ground fixed ground mobile device hours 1 mtbf acc. to mil-hdbk-217f t c = 40c t c = 40c t c = 70c t c = 50c 335'000 h 138'000 h 35'000 h 33'000 h 2'100'000 h 1 statistical values, based on an average of 4300 working hours per year and in general field use
pss, psk extended data sheet positive switching regulator (rugged) rev. feb. 25 2004 page 11 of 18 european projection 111 0.5 168.5 0.5 60 3.27 7 te 5 te 25.9 front plate main face 171.9 50 11.8 76 50.5 measuring point of case temperature t c 4 x m4 09028 8 5 103 30.3 27.38 7.8 13.3 30.5 51.5 10.34 7. 4 17.8 20.34 potentiometer (option p) test sockets led ok green d mechanical data the converters are designed to be inserted into a rack according to iec 60297-3. fig. 12 case s01, weight 1.3 kg aluminium, fully enclosed,black finish and self cooling. note: ?d 15 mm, recommended minimum distance to next part to ensure proper air circulation at full output power. ? free air locations: the module should be mounted with fins in vertical position to achieve a maximum air flow through heat sink.
pss, psk extended data sheet positive switching regulator (rugged) rev. feb. 25 2004 page 12 of 18 159 4.5 89 168.5 d 80 6.5 3.27 7 te 9 te 25.9 front plate main face back plate measuring point of case temperature t c 171.9 50 11.8 09029 30.3 111 0.5 103 27.38 7.8 13.3 30.5 51.5 10.34 17.8 20.34 led ok green potentiometer (option p) test sockets 7. 4 fig. 13 case k01, weight 1.6 kg aluminium, fully enclosed, black finish and self cooling. note: ?d 15 mm, recommended minimum distance to next part to ensure proper air circulation at full output power. ? free air locations: the module should be mounted with fins in vertical position to achieve a maximum air flow through heat sink. mechanical data the converters are designed to be inserted into a rack according to iec 60297-3. european projection
pss, psk extended data sheet positive switching regulator (rugged) rev. feb. 25 2004 page 13 of 18 standards and approvals all switching regulators are ul recognized according to ul 60950, can/csa c22.2 no. 234-m90 and iec/en 60950. the units have been evaluated for: building in operational insulation from input to output and input/out- put to case the use in a pollution degree 2 environment connecting the input to a secondary circuit which is sub- ject to a maximum transient rating of 1500 v the switching regulators are subject to manufacturing sur- veillance in accordance with the above mentioned ul, csa and iso 9001 standards. safety of operator accessible output circuit if the output circuit of a switching regulator is operator-ac- cessible, 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 switching regulator to be an selv circuit according to iec/en 60950 up to a configured nominal output voltage of 30 v, or 48 v if option c is fitted. however, it is the sole responsibility of the installer or user to assure the compliance with the relevant and applicable safety regulations. installation instruction installation of the switching regulators 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. check for hazardous voltages before altering any con- nections. the input and the output circuit are not separated. i.e. the negative path is internally interconnected! the units should be connected to a secondary circuit. do not open any module. ensure that a unit failure (e.g. by an internal short-circuit) does not result in a hazardous condi- tion. see also :safety of operator accessible output circuit. note: additional information on input circuitry, grounding and parallel operation of units is given in: technical infor- mation: application notes. protection degree the protection degree is ip 30 (equipped with option p: ip 20). it applies only if the module is plugged-in or the female connector is properly attached to the module. isolation electric strength test voltage between input interconnected with output and case: 1500 vdc, 1 s. this test is performed in the factory as routine test in accordance with iec/en 60950 and ul 60950 and should not be repeated in the field. power-one will not honour any guarantee claims re- sulting from electric strength field tests. table 11: h15 connector pin allocation electrical determination type h15 pin no. ident. output voltage (positive) 4 vo+ output voltage (positive) 6 vo+ output voltage (negative) 8 go? output voltage (negative) 10 go? crowbar trigger input (option c) 12 n.c. inhibit input 14 i r-input (output voltage programming) 16 r sense line (negative) 18 s? sense line (positive) 20 s+ current sharing control input 22 cs protective ground (leading pin) 24 input voltage (negative) 26 gi? input voltage (negative) 28 gi? input voltage (positive) 30 vi+ input voltage (positive) 32 vi+ 4 32 10008 fixtures for connector retension clips v (see accessories ) safety and installation instructions connector pin allocation the connector pin allocation table defines the electrical potentials and the physical pin position on the connector. pin 24 (protective earth) is a leading pin, which provides electrical contact first. the modules should only be wired via the female connector h15 (according to din 41612) to ensure requested safety! fig. 14 view of male h15 connector
pss, psk extended data sheet positive switching regulator (rugged) rev. feb. 25 2004 page 14 of 18 table 12: insulation concept leading to an selv output circuit conditions front end switching regulator 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 switching by the ac-dc front end, voltage output circuit output circuit regulator output including mains supplied from the circuit battery charger front end 1 battery double or reinforced 60 v selv circuit none selv circuit supply, 60 v earthed hazardous voltage input fuse 3 and earthed 4 earthed selv considered secondary circuit 2 or non accessible case 5 circuit as secon- unearthed hazardous input fuse 3 and unearthed, unearthed selv dary circuit voltage secondary circuit 5 non accessible case 5 circuit hazardous voltage input fuse 3 and earthed output earthed selv secondary circuit circuit 4 and earthed 4 or non circuit accessible case 5 mains basic 60 v earthed selv circuit 4 none 250 vac elv circuit input fuse 3 and earthed output >60 v hazardous voltage circuit 4 and earthed 4 or non secondary circuit user accessible case 5 double or reinforced 60 v selv circuit none selv circuit >60 v double or reinforced insu- input fuse 3 and unearthed unearthed selv lated unearthed hazardous and non accessible case 5 circuit voltage secondary circuit 5 1 the front end output voltage should match the specified input voltage range of the switching regulator. 2 the gi? terminal of the switching regulator has to be connected to earth by the installer according to the relevant safety stan dard, e.g. iec/en 60950. 3 the installer shall provide an approved fuse (slow blow type with the lowest current rating suitable for the application, max. 12.5 a) in a non-earthed input conductor directly at the input of the switching regulator. if vo+ is earthed, insert the fuse in the gi- l ine. for ul?s purpose, the fuse needs to be ul-listed. 4 the earth connection has to be provided by the installer according to the relevant safety standard, e.g. iec/en 60950. 5 has to be insulated from earth by double or reinforced insulation according to the relevant safety standard, based on the maxim um output voltage from the front end.
pss, psk extended data sheet positive switching regulator (rugged) rev. feb. 25 2004 page 15 of 18 description of options -9 extended temperature range this option defines an extended operational ambient tem- perature range of t a = ?40 to 71c. p potentiometer note: option p is not recommended, if several modules are operated in parallel connection. option p excludes r function. the output voltage v o can be adjusted with a screwdriver in the range 90 - 110% v o nom . however, the minimum differential voltage ? v iomin be- tween input and output as specified in electrical input data should be maintained. e inrush current limitation note: this option requires increased minimum input volt- age of up to 1 v, dependent upon input range. in battery driven applications the use of option e is essential due to very low battery impedances. inrush current can reach several thousand amperes de- pending on the source and input line conditions. immedi- ately after application of the input supply, the inrush current is limited by parasitic components of the voltage source and power supply input only. the power supply input presents a very low impedance to such currents and when driven from a low impedance source, for example a battery, the inrush current can peak at several orders of magnitude above the continuous dc input current. option e dramatically reduces this peak current and is recom- mended for any application to protect series elements such as switches or circuit brakers and rectifiers. after startup, the resistor is bypassed for normal operation. ? [a] t [ms] 40 (typical) 0 100 (typical) normal operation (15 ? resistor bypassed) soft start inrush limit startup ( i i = ???? ) v i 15 ? 11029 fig. 15 option e: inrush current versus time c thyristor crowbar note : the thyristor can be deactivated by removal of the in- put voltage only. the inhibit signal cannot deactivate the thyristor. option c protects the load against power supply malfunc- tion. it is not designed to sink external currents. as a central overvoltage protection device, the crowbar is usually connected to the external load via distributed in- ductance of the lines. for this reason, the overvoltage at the load can temporarily exceed the trigger voltage v o c . de- pending on the application, further decentralized overvolt- age protection elements may have to be used additionally. a fixed-value monitoring circuit checks the output voltage v o and when the trigger voltage v o c is reached, the thyristor crowbar triggers and disables the output. an external connection c (crowbar trigger control) is pro- vided. when crowbar option is used with two or more power supplies in parallel connection, all crowbar trigger terminals (c) should be interconnected. this ensures all crowbar cir- cuits triggering simultaneously in order to disable all out- puts at once. the crowbar trigger voltage is maintained be- tween vo+ and go?. to prevent false triggering, the user should ensure that v o (between vo+ and go?) deos not exceed v o c . table 13: crowbar trigger levels characteristics condition pss 129 pss 249 pss 369 pss 489 psk 1212 psk 2412 psk 3612 psk 4812 min typ max min typ max min typ max min typ max unit v o c trigger voltage t c min - t c max 17.8 18.9 28.89 30.6 47.0 50.0 63.0 67.0 vdc v i min - v i max 14.3 15.2 1 43.0 45.5 1 t s delay time i o = 0 - i o nom 1.5 1.5 1.5 1.5 s 1 crowbar trigger voltage with option p
pss, psk extended data sheet positive switching regulator (rugged) rev. feb. 25 2004 page 16 of 18 b, b1 cooling plate where a cooling surface is available, a cooling plate (option b, or option b1) can be used instead of the standard heatsink. the mounting system must ensure suf- ficient cooling capacity to guarantee that the maximum case temperature t c max is not exceeded. the required cooling capacity can be calculated by the following formula: 100% ? p loss = ???????- ( v o i o ) 6.5 11.2 13 140 17.3 133.4 0.2 30 168 5 47.2 38.5 127 6.5 11.8 11027 fig. 16 option b, large cooling plate weight: 1.2 kg fig. 17 option b1, small cooling plate weight: 1.2 kg 111 168 0.5 101 158 5 m 4 5 171.9 5 47.2 38.5 11.8 11028
pss, psk extended data sheet positive switching regulator (rugged) rev. feb. 25 2004 page 17 of 18 accessories a variety of electrical and mechanical accessories are available including: ? front panels for 19" rack mounting, schroff and intermas systems, 12 and 16 te. ? mating h15 and h15 s4 connectors with screw, solder fast-on or press-fit terminals. ? connector retention facilities (v-clips). ? din-rail mounting adaptor. for more detailed information please refer to: accessory products. nuclear and medical applications - power-one products are not 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.
pss, psk extended data sheet positive switching regulator (rugged) rev. feb. 25 2004 page 18 of 18 ec declaration of conformity we power-one ag ackerstrasse 56 ch-8610 uster declare under our sole responsibility that all psx series switching regulators 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 directive is presumed by conformity wih the following harmonized standards: ? en 61204: 1995 (= iec 61204: 1993, modified) low-voltage power supply devices, d.c. output - perfomance characteristics and safety requirements ? en 60950: 1992 + a1: 1993 + a2 (= iec 950 second edition 1991 + a1: 1992 + a2: 1993) 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 psx series switching regulators are components, intended exclusively for inclusion within other equipment by an industrial assembly operation or by professional installers. they must not be operated as stand alone products. hence conformity with the electromagnetic compatibility directive 89/336/eec (emc directive) needs not to be declared. nevertheless, guidance is provided in most product application notes on how conformity of the end product with the indicated emc standards under the responsibility of the installer can be achieved, from which conformity with the emc directive can be presumed. uster, 1 sep. 2003 power-one ag rolf baldauf johann milavec director engineering director projects and ip

▲Up To Search▲

Price & Availability of PSK2412-7CB

	To Download PSK2412-7CB Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .