View PQ50120HZB55_8980669.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

technical specification product # pq50120hzx55 phone 1-888-567-9596 www.synqor.com doc.# 005-0005483 rev. 1 03/31/10 page 1 PQ50120HZB55 the pq50120hzx50 powerqor zeta half-brick converter is a next-generation, board-mountable, isolated, fixed switching frequency dc/dc converter. the zeta series offers industry leading power density for standard isolated dc/dc converters with a tightly regulated output. this 12v module provides 2,250vdc isolation and more available power and higher efficiency than most competitive bus converters. rohs compliant (see last page). ? input under-voltage lockout disables converter at low input voltage conditions ? output current limit and short circuit protection protects converter and load from permanent damage and consequent hazardous conditions ? active back bias limit provides smooth startup with external load induced pre-bias ? latching output over-voltage protection protects load from damaging voltages ? thermal shutdown protects converter from abnormal environmental conditions protection features page no. mechanical diagram (base-plated) . . . . . . . . . . . . . . . . . . . . . . . . . 2 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4 standards and qualifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8 application section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-13 ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 control features contents operational features ? high efficiency, 94% at full rated load current ? delivers up to 55a of output current (660w) ? input voltage range: 44-52v ? fixed frequency switching provides predictable emi performance ? no minimum load requirement means no preload resistors required ? wide output voltage trim range (-50%, +10%), see trim section ? on/off control referenced to input side (positive and negative logic options are available) mechanical features ? industry standard half-brick pin-out configuration ? industry standard size: 2.390" x 2.490" x 0.512" (60.6 x 63.1 x 13.0mm) ? height only 0.50 (12.7mm) ? weight: 4.3oz (123g) 48v 12v 55a 2250v dc half-brick input output current isolation dc-dc converter safety features ? 2250v, 30m input-to-output isolation ? ul 60950-1:2003 basic insulation ? can/csa-c22.2 no. 60950-1:2003 ? en60950-1:2001 ? rohs compliant (see last page) PQ50120HZB55
technical specification product # pq50120hzx55 phone 1-888-567-9596 www.synqor.com doc.# 005-0005483 rev. 1 03/31/10 page 2 input: 44-52v output: 12v current: 55a part no.: PQ50120HZB55 mechanical diagram (base-plated) mechanical diagram (base-plated) 2.00 [ 50.8 ] 2.40 [ 61 ] 1.400 [ 35.56 ] 1.000 [ 25.4 ] .700 [ 17.78 ] .400 [ 10.16 ] 1.90 [ 48.3 ] .19 [ 4.8 ] 2.30 [58.4] top view .50 [ 12.7 ] .400 [ 10.16 ] 1.00 [ 25.4 ] 1.400 [ 35.56 ] m3 threaded insert 4 places see note 1 1.90 [ 48.3 ] .495 .024 [12.570.6] .02 [5.1] .044 0.27 [1.120.68] overall height .145 [3.687] see note 6 side view bottomside clearance 6 7 8 9 5 1 2 4 3 notes 1) m3 screws used to bolt units baseplate to other surfaces (such as heatsink) must not exceed 0.100 (2.54 mm) depth below the surface of the baseplate. 2) applied torque per screw should not exceed 6in-lb. (0.7 nm) 3) baseplate flatness tolerance is 0.004 (.10mm) tir for surface 4) pins 1-4, 6-8 are 0.040 (1.02mm) diameter, with 0.080 (2.03mm) diameter standoff shoulders. 5) pins 5 and 9 are 0.080 (2.03 mm) diameter with 0.125 (3.18mm) diameter standoff shoulders. 6) other pin extension lengths available. recommended pin length is 0.03 (0.76mm) greater than the pcb thickness. 7) all pins: material: copper alloy finish (rohs 6/6): matte tin over nickel plate 8) undimensioned components are shown for visual reference only. 9) weight: 4.3oz (123g) 10) all dimensions in inches (mm) tolerances: x.xx +/-0.02 in. (x.x +/-0.5mm) x.xxx +/-0.010 in. (x.xx +/-0.25mm) 11) workmanship: meets or exceeds ipc-a-610c class ii 12) the flanged pins are designed to permit surface mount soldering (allowing to avoid the wave soldering process) through the use of the flanged pin-in-paste technique. pin designations pin name function 1 vin(+) positive input voltage 2 on/off ttl input to turn converter on and off, referenced to vin(C), with internal pull up. 3 reserved not connected 4 vin(C) negative input voltage 5 vout(C) negative output voltage 6 sense(C) negative remote sense; see note 1 7 trim output voltage trim; see note 2 8 sense(+) positive remote sense; see note 3 9 vout(+) positive output voltage notes: 1) sense(C) should be connected to vout(C) either remotely or at the converter. 2) leave trim pin open for nominal output voltage. 3) sense(+) should be connected to vout(+) either remotely or at the converter.
technical specification product # pq50120hzx55 phone 1-888-567-9596 www.synqor.com doc.# 005-0005483 rev. 1 03/31/10 page 3 input: 44-52v output: 12v current: 55a part no.: PQ50120HZB55 PQ50120HZB55 electrical characteristics ta = 25 c, airfow rate = 300 lfm, vin = 48v dc unless otherwise noted; full operating temperature range is -40 c to +100 c baseplate temperature with appropriate power derating. specifcations subject to change without notice. parameter min. typ. max. units notes & conditions absolute maximum ratings input voltage non-operating 100 v continuous operating 60 v continuous isolation voltage input to output 2250 v operating temperature -40 100 c storage temperature -55 125 c voltage at on/off input pin -2 18 v input characteristics operating input voltage range 44 48 52 v input under-voltage lockout turn-on voltage threshold 31.5 33.0 34.5 v turn-off voltage threshold 29.0 30.5 32.0 v lockout voltage hysteresis 1.5 2.5 3.5 v maximum input current 21.0 a in current limit, vin min, trimmed up 10% no-load input current 125 200 ma disabled input current 20 40 ma input refected ripple current 5 20 ma rms thru 4.7h inductor input terminal ripple current 220 ma rms recommended input fuse 30 a fast acting external fuse recommended recommended external input capacitance 220 f typical esr 0.1-0.2; figure 13 input filter component values (l\c) 0.75\11 h\f internal values output characteristics output voltage set point 11.72 12.00 12.28 v output voltage regulation over line 1.0\120 %\mv see note 1 over load 1.0\120 %\mv see note 1 over temperature 90 240 mv total output voltage range 11.60 12.40 v over sample, line, load, temperature & life output voltage ripple and noise 20mhz bandwidth; see note 2 peak-to-peak 90 150 mv full load rms 20 30 mv full load operating output current range 0 55 a subject to thermal derating output dc current-limit inception 60.0 65.0 70.0 a output voltage 10% low output dc current-limit shutdown voltage 5.0 v see note 3 back-drive current limit while enabled 15 20 25 a negative current drawn from output back-drive current limit while disabled 0 3 4 ma negative current drawn from output maximum output capacitance electrolytic 12 mf nominal vout at full load (resistive load) efficiency 100% load 94 % figures 1 - 2 50% load 95 % figures 1 - 2 electrical characteristics
technical specification product # pq50120hzx55 phone 1-888-567-9596 www.synqor.com doc.# 005-0005483 rev. 1 03/31/10 page 4 input: 44-52v output: 12v current: 55a part no.: PQ50120HZB55 PQ50120HZB55 electrical characteristics (continued) ta = 25 c, airfow rate = 300 lfm, vin = 48v dc unless otherwise noted; full operating temperature range is -40 c to +100 c baseplate temperature with appropriate power derating. specifcations subject to change without notice. parameter min. typ. max. units notes & conditions dynamic characteristics output voltage during load current transient step change in output current (0.1a/s) 350 mv 50% to 75% to 50% iout max, 470 f load cap step change in output current (5a/s) 500 mv settling time 1 ms to within 1% vout nom turn-on transient turn-on time 29 ms full load, vout=90% nom; figures 5 & 6 output voltage overshoot 2 % isolation characteristics isolation voltage (dielectric strength) 2250 v see absolute maximum ratings isolation resistance 30 m isolation capacitance (input to output) 1000 pf see note 4 temperature limits for power derating curves semiconductor junction temperature 125 c package rated to 150c board temperature 125 c ul rated max operating temp 130c transformer temperature 125 c feature characteristics switching frequency regulation stage 230 240 250 khz switching frequency isolation stage 115 120 125 khz on/off control (option p) off-state voltage -2.0 1.0 v on-state voltage 4.0 18.0 on/off control (option n) off-state voltage 4.0 18 v on-state voltage -2.0 1.0 on/off control (either option) application notes; figure a on/off control hysteresis 1.5 v pull-up voltage 4.75 5.00 5.25 v pull-up resistance 10 k output voltage trim range -50 10 % measured across pins 8 & 4; figure b output over-voltage protection 13.6 14.2 14.8 v over full temperature range over-temperature shutdown 125 c average pcb temperature over-temperature shutdown restart hysteresis 10 c reliability characteristics calculated mtbf (telcordia) 2.1 10 6 hrs. tr-nwt-000332; 80% load, 300lfm, 40c ta calculated mtbf (mil-217) 1.9 10 6 hrs. mil-hdbk-217f; 80% load, 300lfm, 40c ta field demonstrated mtbf 10 6 hrs. see our website for details note 1: line and load regulation is limited by duty cycle quantization and does not indicate a shift in the internal voltage reference. note 2: for applications requiring reduced output voltage ripple and noise, consult synqor applications support (e-mail: support@synqor.com) note 3: if the output voltage falls below the output dc current limit shutdown voltage for more than 50ms, then the unit will enter into hiccup mode, with a 500ms off-time. note 4: higher values of isolation capacitance can be added external to the module. electrical characteristics
technical specification product # pq50120hzx55 phone 1-888-567-9596 www.synqor.com doc.# 005-0005483 rev. 1 03/31/10 page 5 input: 44-52v output: 12v current: 55a part no.: PQ50120HZB55 standards and qualifications parameter notes & conditions standards compliance ul 60950-1:2003 basic insulation can/csa-c22.2 no. 60950-1:2003 en60950-1:2001 iec 61000-4-2 esd test, 8 kv - np, 15 kv air - np (normal performance) note: an external input fuse must always be used to meet these safety requirements. contact synqor for offcial safety certifcates on new releases or download from the synqor website. parameter # units test conditions qualification testing life test 32 95% rated vin and load, units at derating point, 1000 hours vibration 5 10-55 hz sweep, 0.060" total excursion, 1 min./sweep, 120 sweeps for 3 axis mechanical shock 5 100g minimum, 2 drops in x and y axis, 1 drop in z axis temperature cycling 10 -40 c to 100 c, unit temp. ramp 15 c/min., 500 cycles power/thermal cycling 5 toperating = min to max, vin = min to max, full load, 100 cycles design marginality 5 tmin-10 c to tmax+10 c, 5 c steps, vin = min to max, 0-105% load humidity 5 85 c, 85% rh, 1000 hours, continuous vin applied except 5 min/day solderability 15 pins mil-std-883, method 2003
technical specification product # pq50120hzx55 phone 1-888-567-9596 www.synqor.com doc.# 005-0005483 rev. 1 03/31/10 page 6 input: 44-52v output: 12v current: 55a part no.: PQ50120HZB55 60 65 70 75 80 85 90 95 100 0 5 10 15 20 25 30 35 40 45 50 55 load current (a) efficiency (%) 44 vin 48 vin 52 vin 0 10 20 30 40 50 60 0 5 10 15 20 25 30 35 40 45 50 55 load current (a) power dissipation (w) 44 vin 48 vin 52 vin 0 5 10 15 20 25 30 35 40 45 50 25 40 55 70 85 ambient temperature (c) iout (a) 400 lfm 300 lfm 200 lfm 100 lfm 50 lfm figures figure 1: efficiency at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25c. figure 2: power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25c. figure 3: maximum output power-derating curve vs. ambient air temperature for airfow rates of 100lfm through 400lfm with air fowing from pin 4 to pin 1 (nominal input voltage). figure 4: thermal plot of converter at 36a load current (432w) with 55c air fowing at the rate of 200lfm. air is fowing across the converter from pin 4 to pin 1 (nominal input voltage). figure 5: turn-on transient at full load (resistive load) (10 ms/div). ch 1: vout (5 v/div) ch 2: on/off input (5 v/div) figure 6: turn-on transient at zero load (10 ms/div). ch 1: vout (5 v/div) ch 2: on/off input (5 v/div) semiconductor junction temperature is within 1 c of surface temperature
technical specification product # pq50120hzx55 phone 1-888-567-9596 www.synqor.com doc.# 005-0005483 rev. 1 03/31/10 page 7 input: 44-52v output: 12v current: 55a part no.: PQ50120HZB55 source im pe d anc e dc - d c c o n ve rte r i npu t t e rm in a l ri p ple c urr ent i npu t reflecte d ri p ple c urr ent output voltage ripple ce r a mi c ca p ac it o r c a pac it o r e lectr o lyt i c e lectr o lyt i c ca p ac ito r v source v out i s i c figure 7: output voltage response to step-change in load current (50%-75%- 50% of iout(max); di/dt = 0.1 a/ s; 1 ms/div). load cap: 1uf ceramic and 470 f electrolitic capacitors. top trace: vout (500 mv/div). bottom trace: iout (10 a/div).. figure 8: output voltage response to step-change in load current (50%-75%- 50% of iout(max): di/dt = 5 a/ s; 1 ms/div). load cap: 470 f electrolitic capacitor. top trace: vout (500 mv/div). bottom trace: iout (10 a/div). figure 9: test set-up diagram showing measurement points for input terminal ripple current (figure 10), input refected ripple current (figure 11) and output voltage ripple (figure 12). figure 10: input terminal ripple current, ic, at full rated output current and nominal input voltage with 4.7 h source impedance and 220 f electrolytic capacitor (1 a/div; 2 s/div). see figure 9. figure 11: input refected ripple current, is, through a 4.7 h source inductor, using a 220 f input capacitor, at nominal input voltage and rated load current (10 ma/div; 2 s/div). see figure 9. figure 12: output voltage ripple at nominal input voltage and rated load current (50 mv/div; 2 s/div). load capacitance: 1 f ceramic capacitor and 15 f tantalum capacitor. bandwidth: 20 mhz. see figure 9.
technical specification product # pq50120hzx55 phone 1-888-567-9596 www.synqor.com doc.# 005-0005483 rev. 1 03/31/10 page 8 input: 44-52v output: 12v current: 55a part no.: PQ50120HZB55 0 2 4 6 8 10 12 14 16 -30 -20 -10 0 10 20 30 40 50 60 70 load current (a) output voltage (v) 48vin figure 13: load current (10 a/div; 10 ms/div) as a function of time when the converter attempts to turn on into a 1 mw short circuit. figure 14: output voltage vs. load current showing typical current limit curves and ovp shutdown point. figures
technical specification product # pq50120hzx55 phone 1-888-567-9596 www.synqor.com doc.# 005-0005483 rev. 1 03/31/10 page 9 input: 44-52v output: 12v current: 55a part no.: PQ50120HZB55 basic operation and features the power qor zeta series converter uses a two-stage power conversion topology. the first stage keeps the output voltage constant over variations in line, load, and temperature. the second stage uses a transformer to provide the functions of input/output isolation and voltage step-down to achieve the low output voltage required. both the first stage and the second stage switch at a fixed frequency for predictable emi performance. rectification of the transformers output is accomplished with synchronous rectifiers. these devices, which are mosfets with a very low on-state resistance, dissipate significantly less energy than schottky diodes, enabling the power qor converter to achieve high efficiency. the power qor series of half-brick, quarter-brick and eighth-brick converters uses the industry standard footprint and pin-out configuration. control features remote on/off (pin 2 ): the on/off input, pin 2, permits the user to control when the converter is on or off . this input is referenced to the return terminal of the input bus, vin(-). the converter is available with either positive or negative logic used for the on/off input. in the positive logic version, the on/off input is active high (meaning that a high voltage turns the converter on ). in the negative logic version, the on/off signal is active low (meaning that a low voltage turns the converter on ). figure a details five possible circuits for driving the on/off pin. remote sense( + ) (pins 7 and 5) : the sense( + ) inputs correct for voltage drops along the conductors that connect the converters output pins to the load. pin 7 should be connected to vout(+) and pin 5 should be connected to vout(-) at the point on the board where regulation is desired. if these connections are not made, the converter will deliver an output voltage that is slightly higher than its specified value. note : the output over-voltage protection circuit senses the voltage across the sense leads (pins 7 and 5) to determine when it should trigger, not the voltage across the converters output pins (pins 8 and 4). output voltage trim (pin 6) : the trim input permits the user to adjust the output voltage across the sense leads up or down according to the trim range specifications. synqor uses industry standard trim equations. to decrease the output voltage, the user should connect a resistor between pin 6 (trim) and pin 5 (sense( C ) input). for a desired decrease of the nominal output voltage, the value of the resistor should be: r trim-down = ( 100% ) _ 2 k w d where d% = v nominal C v desired x 100% v nominal open collector enable circuit remote enable circuit direct logic drive negative logic (permanently enabled) (permanently enabled) on/off vin( _ ) on/off on/off vin( _ ) on/off 5v ttl/ cmos vin( _ ) vin( _ ) positive logic on/off vin( _ ) figure a: riu irui r riig e ff i application section
technical specification product # pq50120hzx55 phone 1-888-567-9596 www.synqor.com doc.# 005-0005483 rev. 1 03/31/10 page 10 input: 44-52v output: 12v current: 55a part no.: PQ50120HZB55 to increase the output voltage, the user should connect a resistor between pin 6 (trim) and pin 7 (sense(+) input). for a desired increase of the nominal output voltage, the value of the resistor should be figure b graphs the relationship between the trim resistor value, rtrim-up and rtrim-down, showing the total range the output voltage can be trimmed up or down. figure b: trim graph for 12vout module note : the trim feature does not affect the voltage at which the output over-voltage protection circuit is triggered. trimming the output voltage too high may cause the over-voltage protection circuit to engage, particularly during transients. it is not necessary for the user to add capacitance at the trim pin. the node is internally filtered to eliminate noise. total dc variation of vout: for the converter to meet its full specifications, the maximum variation of the dc value of vout, due to both trimming and remote load voltage drops, should not be greater than that specified for the output voltage trim range. protection features input under-voltage lockout : the converter is designed to turn off when the input voltage is too low, helping to avoid an input system instability problem, which is described in more detail in the application note titled input system instability on the synqor website . the lockout circuitry is a comparator with dc hysteresis. when the input voltage is rising, it must exceed the typical turn-on voltage threshold value* before the converter will turn on. once the converter is on, the input voltage must fall below the typical turn-off voltage threshold value before the converter will turn off. output current limit : if the output current exceeds the output dc current limit inception point*, then a fast linear current limit controller will reduce the output voltage to maintain a constant output current. if as a result, the output voltage falls below the output dc current limit shutdown voltage * for more than 50ms, then the unit will enter into hiccup mode, with a 500ms off-time. the unit will then automatically attempt to restart. back-drive current limit : if there is negative output current of a magnitude larger than the back-drive current limit while enabled specification*, then a fast back-drive limit controller will increase the output voltage to maintain a constant output current. if this results in the output voltage exceeding the output over- voltage protection threshold*, then the unit will shut down. the full i-v output characteristics can be seen in the figures. output over-voltage limit : if the voltage directly across the output pins exceeds the output over-voltage protection threshold*, the converter will immediately stop switching. this shutdown is latching; unlike other shutdown types, the converter will not restart unless the input power is cycled or the on/off input is toggled. over-temperature shutdown : a temperature sensor on the converter senses the average temperature of the module. the thermal shutdown circuit is designed to turn the converter off when the temperature at the sensed location reaches the over- temperature shutdown value*. it will allow the converter to turn on again when the temperature of the sensed location falls by the amount of the over-temperature shutdown restart hysteresis value*. * see electrical characteristics page. 0.0 0.1 1.0 10.0 100.0 1,000.0 10,000.0 0 5 10 15 20 25 30 35 40 45 50 trim resistance (kohms) % increase in vout % decrease in vout r trim- up k w = vnominal 1.225 v des C v nom x v des + v nom C 2 ) (
technical specification product # pq50120hzx55 phone 1-888-567-9596 www.synqor.com doc.# 005-0005483 rev. 1 03/31/10 page 11 input: 44-52v output: 12v current: 55a part no.: PQ50120HZB55 application considerations limited output voltage resolution: the internal voltage control feedback loop has limited resolution. therefore, the output voltage will exhibit discrete steps as the loop responds to changes in line, load, trim, or remote sense. for instance, on close examination, the startup ramp has a stair-step shape. likewise, a load transient response will be composed of multiple discrete steps. the size of each step is well determined, and is shown in figure c. a close-up picture of a single step is shown in figure d. stepping will not occur under steady state conditions. current share and active trim not recommended: it is important to note that external feedback control using the sense or trim pins will cause sustained stepping. external current share or active trim circuits contain a separate reference voltage. after this external feedback has taken control, the actual output voltage can still differ from the external reference voltage by as much as the step size. if the external feedback loop integrates this error voltage, it will cause a limit cycle oscillation. for this reason, external feedback using the sense and trim pins is not recommended. input system instability : this condition can occur because any dc/dc converter appears incrementally as a negative resistance load. a detailed application note titled input system instability is available on the synqor website which provides an understanding of why this instability arises, and shows the preferred solution for correcting it. 0 20 40 60 80 100 120 140 35 40 45 50 55 60 65 70 75 vin (v) vout step size (mv) = 12.0 vout = 10.0 vout 8.75 vout figure c: output voltage resolution. figure d: smallest possible vout step at 48vin and 12vout. * see electrical characteristics page.
technical specification product # pq50120hzx55 phone 1-888-567-9596 www.synqor.com doc.# 005-0005483 rev. 1 03/31/10 page 12 input: 44-52v output: 12v current: 55a part no.: PQ50120HZB55 v i n external input filter trim v in( + ) i l oa d c l oa d v out(+ ) r trim-up or r trim-down v sense( + ) on/off v in( _ ) v out( _ ) v sense( _ ) electrolytic capacitor application circuits : figure e below provides a typical circuit diagram which details the input filtering and voltage trimming. input filtering and external input capacitance : figure f below shows the internal input filter components. this filter dramatically reduces input terminal ripple current, which otherwise could exceed the rating of an external electrolytic input capacitor. the recommended external input capacitance is specified in the input characteristics section on the electrical specifications page. more detailed information is available in the application note titled emi characteristics on the synqor website. output filtering and external output capacitance : figure f below shows the internal output filter components. this filter dramatically reduces output voltage ripple. however, some minimum external output capacitance is required, as specified in the output characteristics section on the electrical specifications page. no damage will occur without this capacitor connected, but peak output voltage ripple will be much higher. c 2 c 1 l in v in( + ) v in( _ ) v out(+) v out(-) regulation stage current sense isolation stage 220f esr 0.2 pqp pppsppyppbe pqp ppppppp spppppb e
technical specification product # pq50120hzx55 phone 1-888-567-9596 www.synqor.com doc.# 005-0005483 rev. 1 03/31/10 page 13 input: 44-52v output: 12v current: 55a part no.: PQ50120HZB55 thermal considerations: the maximum operating base-plate temperature, t b , is 100 oc. as long as the users thermal system keeps t b < 100 oc, the converter can deliver its full rated power. a power derating curve can be calculated for any heatsink that is attached to the base-plate of the converter. it is only necessary to determine the thermal resistance, r th ba , of the chosen heatsink between the base-plate and the ambient air for a given airflow rate. this information is usually available from the heatsink vendor. the following formula can the be used to determine the maximum power the converter can dissipate for a given thermal condition if its base-plate is to be no higher than 100 oc. p max = 100 oc - t a diss r th ba this value of power dissipation can then be used in conjunction with the data shown in figure 2 to determine the maximum load current (and power) that the converter can deliver in the given thermal condition. application section
technical specification product # pq50120hzx55 phone 1-888-567-9596 www.synqor.com doc.# 005-0005483 rev. 1 03/31/10 page 14 input: 44-52v output: 12v current: 55a part no.: PQ50120HZB55 part numbering system the part numbering system for synqors dc-dc converters follows the format shown in the example below. the first 12 characters comprise the base part number and the last 3 characters indicate available options. the -g suffix indicates 6/6 rohs compliance. application notes a variety of application notes and technical white papers can be downloaded in pdf format from our website. rohs compliance: the eu led rohs (restriction of hazardous substances) directive bans the use of lead, cadmium, hexavalent chromium, mercury, polybrominated biphenyls (pbb), and polybrominated diphenyl ether (pbde) in electrical and electronic equipment. this synqor product is 6/6 rohs compliant. for more information please refer to synqors rohs addendum available at our rohs compliance / lead free initiative web page or e-mail us at rohs@synqor.com . ordering information the tables below show the valid model numbers and ordering options for converters in this product family. when ordering synqor converters, please ensure that you use the complete 15 character part number consisting of the 12 character base part number and the additional 3 characters for options. add -g to the model number for 6/6 rohs compliance. the following options must be included in place of the x y z spaces in the model numbers listed above. not all combinations make valid part numbers, please contact synqor for availability. see the product summary web page for more options. many operational functions of this converter are programmable. contact the factory regarding customizing. warranty synqor offers a t hree ( 3 ) year limited warranty. complete warranty information is listed on our website or is available upon request from synqor. information furnished by synqor is believed to be accurate and reliable. however, no responsibility is assumed by synqor for its use, nor for any infringements of patents or other rights of third parties which may result from its use. no license is granted by implication or otherwise under any patent or patent rights of synqor. product family package size performance level thermal design output current 6/6 rohs options (see ordering information) input voltage output voltage contact synqor for further information: phone : 978-849-0600 toll free : 888-567-9596 fax : 978-849-0602 e-mail : power@synqor.com web : www.synqor.com address : 155 swanson road boxborough, ma 01719 usa p q 5 0 1 2 0 h z b 5 0 p n s - g model number input voltage output voltage max output current PQ50120HZB55pns-g 44-52v 12v 55a options description thermal design enable logic pin style feature set b - baseplate p - positive n - 0.145" s - standard patents synqor holds the following u.s. patents, one or more of which apply to each product listed in this document. additional patent applications may be pending or filed in the future. 5,999,417 6,222,742 6,545,890 6,577,109 6,594,159 6,731,520 6,894,468 6,896,526 6,927,987 7,050,309 7,072,190 7,085,146 7,119,524 7,269,034 7,272,021 7,272,023 7,558,083 7,564,702

▲Up To Search▲

Price & Availability of PQ50120HZB55

	To Download PQ50120HZB55 Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .