technical specification nq20x20egx10 product # nq20x20egx10 phone 1-888-567-9596 www.s ynqor.com doc.# 005-0005379 rev. b 09/18/09 page 1 operational features ? ultra high effciency, up to 95% at full rated load current ? delivers up to 10a of output current ? input voltage range: 9-20v ? output voltage range: 0-20v (negative output is possible) ? extensive on-board input and output fltering ? no minimum load requirement means no preload resistors required ? buck or buck-boost versions available ? adjustable current limit with current monitor (c option) control features ? on/off control ? output voltage trim permits custom voltages ? remote sense (s option, standard) ? current limit trim (c option) mechanical features ? industry standard eighth-brick pin-out confguration ? size: 0.99" x 2.39" (25x60.6 mm) ? total height only 0.50" (12.7 mm) ? total weight: 1.7oz (48g) protection features ? input under-voltage lockout protects the converter at low input voltage conditions ? over-current shutdown protects converter from excessive load current or short circuits ? input/output over-voltage protection protects load and regulator from damaging voltages ? thermal shutdown protects converter from abnormal environmental conditions safety features ? ul 60950-1:2003 ? en60950-1:2001 ? iec 61000-4-2 contents page no. nq20 eg mechanical diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 nq20x20egc10 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . 4-5 standards compliance and qualification testing . . . . . . . . . . . . . . . . . . 5 nq20x20egc10 figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7 application section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-9 ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 the niqor ? eighth-brick dc-dc conve rter is a non- isolated buck- boost regul ator, which emplo ys synchronous recti fication to achie ve extre mely high conversion effic iency. the high input volta ge niqor brick family of conve rters can be used in tradi tional dpa (distributed power archi tecture) syste ms or provi de a regulated outpu t volta ge from a batte ry sourc e or other variable volta ge sourc e. the niqor brick famil y can be configured to buck the input volta ge down to a lower voltage or boost the input volta ge up to a highe r voltage using a singl e exter nal resis tor. the modul e is rohs 6/6 compliant (see page 10). 9-20v 0-20v 10a non- eighth-brick continuous input outputs current isolated dc-dc converter niqor eighth-brick module non-isolated
product # nq20x20egx10 ph one 1-888-567-9596 ww w.synqor.com do c.# 005-0005379 rev. b 09/18/09 pa ge 2 input: outputs: current: package: 9 - 20v 0 - 20v 10a eighth-brick chic ciicti pin designations notes: 1. sense(C) should be connected to vout(C) either remotely or at the converter. 2. sense(+) should be connected to vout(+) either remotely or at the converter. notes 1) pins 1-3, 5-7 are 0.040" (1.02 mm) diameter. with 0.080" (2.03mm) diameter standoff shoulders. 2) pins 4 and 8 are 0.062 (1.57 mm) diameter with 0.100" (2.54 mm) diameter standoff shoulders. 3) other pin extension lengths available. recommended pin length is 0.03" (0.76 mm) greater than the pcb thickness. 4) all pins: material - copper alloy finish - matte tin over nickel plate 5) undimensioned components are shown for visual reference only. 6) all dimensions in inches (mm) tolerances: x.xx 0.02" (x.x 0.5 mm) x.xxx 0.010 (x.xx 0.25 mm) 7) weight: 1.7 oz (48 g) typical 8) workmanship: meets or exceeds ipc-a-610c class ii pin no. name function 1 vin(+) positive input voltage 2 on/off ttl input to turn converter on and off, referenced to vin(-), with internal pull up 3 vin(-) negative input voltage, internal short to pin 4 4 vout(-) negative output voltage, internal short to pin 3 5 sense(-) negative remote sense 1 (s option) trim current limit trim (c option) 6 v trim output voltage trim 7 sense(+) positive remote sense 2 (s option) mon current monitor output (c option) 8 vout(+) positive output voltage top view 5678 1 2 3 4 side view 0.99 (25) 0.150 (3.81) 0.450 (11.43) 0.600 (15.24) 0.300 (7.62) overall height 0.500 0.025 (12 0.63) bottom side clearance 0.020 0.010 (0.51 0.25) 0.145 (3.68) 0.600 (15.24) 0.19 (4.9) 0.300 (7.62) 2.00 (50.8) 0.18 (4.6) 2.39 (60.6) nq20 egc mechanical diagram
product # nq20x20egx10 ph one 1-888-567-9596 ww w.synqor.com do c.# 005-0005379 rev. b 09/18/09 pa ge 3 input: outputs: current: package: 9 - 20v 0 - 20v 10a eighth-brick chic ciicti nq20 egv mechanical diagram pin designations notes: 1. sense(C) should be connected to vout(C) either remotely or at the converter. 2. sense(+) should be connected to vout(+) either remotely or at the converter. notes 1) applied torque per screw should not exceed 5in-lb (3in-lb recom- mended). 2) baseplate flatness tolerance is 0/01" (.2mm) tir for surface. 3) pins 1-3, 5-7 are 0.040" (1.02 mm) dia. with 0.080 (2.03mm) dia. standoff shoulders. 4) pins 4 and 8 are 0.062" (1.57 mm) diameter with 0.100 (2.54 mm) dia. standoff shoulders. 5) other pin extension lengths available. 6) all pins: material - copper alloy finish - tin-lead over nickel plate 7) undimensioned components are shown for visual reference only. 8) weight: tbd 9) all dimensions in inches (mm) tolerances: x.xx 0.02" (x.x 0.5 mm) x.xxx 0.010 (x.xx 0.25 mm) pin no. name function 1 vin(+) positive input voltage 2 on/off ttl input to turn converter on and off, referenced to vin(-), with internal pull up 3 vin(-) negative input voltage, internal short to pin 4 4 vout(-) negative output voltage, internal short to pin 3 5 sense(-) negative remote sense 1 (s option) trim current limit trim (c option) 6 v trim output voltage trim 7 sense(+) positive remote sense 2 (s option) mon current monitor output (c option) 8 vout(+) positive output voltage overall height .500 .025 [12.7 0.63] bottomside clearance .01 [0.3] use w/ 4-40 or m3 screw (6x) recom. torque 3 in. lb ?.13 [3.3] 1.45 [36.8] 1.27 [32.3] .99 [25] top view .01 [0.2] .15 [3.7] see note 5 & 6 2.00 [50.8] 2.07 [52.5] 1.66 [42.2] 1.01 [25.7] .36 [9.1] .18 [4.6] .13 [3.2] .02 [0.6] .193 [4.9] .34 [8.5] .43 [10.8] .30 [7.6] .60 [15.2] .79 [20.1] .30 [7.6] .60 [15.2] .15 [3.8] .45 [11.4] 2.39 [60.6]
product # nq20x20egx10 ph one 1-888-567-9596 ww w.synqor.com do c.# 005-0005379 rev. b 09/18/09 pa ge 4 input: outputs: current: package: 9 - 20v 0 - 20v 10a eighth-brick chic ciicti nq20x20egx10 electrical characteristics ta = 25 c, airflow rate = 300 lfm, vin = 12 v dc unless otherwise noted; full operating temperature range is -40 c to +105 c ambient temperature with appropriate power derating. specifications subject to change without notice. parameter vout min. typ. max. units notes & conditions absolute maximum ratings input voltage non-operating all 0 30 v continuous operating all 20 v continuous storage temperature all -55 125 c voltage at on/off input pin all -0.5 5.5 v recommended operating conditions input voltage range all 9 20 v turn on at 10v input fuse rating all 25 a fast blow external fuse recommended input current 20 a input current max equals output rated current external input capacitance all 100 f esr < 1.5 output voltage all 0 20 v output current all 0 10 a output voltage dependent input characteristics input under-voltage lockout turn-on voltage threshold all 9.2 9.5 10 v turn-off voltage threshold all 8.1 8.5 8.9 v lockout hysteresis all 1.0 v input current limit all 12 a no-load input current 12 115 ma 24 120 ma 48 175 ma disabled input current all 80 ma input filter components value (c\l\c) all 10\1.1\40 f\h\f output characteristics output voltage range all 0 20 v set output by rtrim resistor operating output current range all 0 10 a output voltage regulation total output voltage range all 160 mv 4%*vout sense pin, over sample, line, load, temp. & life output voltage ripple & noise (pk-pk/36vin) 3.3 10 mv 10 vin full load; 100uf; 20 mhz b.w. 5 20 mv " 20 40 mv output dc over current limit all 12 a effective on input, output condition external output capacitance all 0 5000 f esr > 1 m c option: isense voltage no load all 1.25 v full load all 1.54 v 10 a load output resistance of isense all 10 k c option: itrim voltage voltage at no load all 0.12 v voltage at maximum load all 2.12 v 10 a load pull-up resistance of itrim pin all 10.2 k pull-up voltage all 2.5 v c option: reverse current all 2 a enabled or disabled temp limits for power derating semiconductor junction temperature all 125 c package rated to 150 c board temperature all 125 c ulrated max operating temp 130 c baseplate temperature all 100 c efficiency 100% load 3.3 88 % 50% load 3.3 88 % nq20x20egc and nq20x20etc C max vin is 20, but in the effciency section, it gives numbers for 24 vin and 48 vin, nq40x40egc and nq40x40etc C max vin is 40, but in the effciency section, it gives numbers for 48vin, nq40x40etc Csays 7.5 a load instead of 15a in the comments section of full load, c option: isense voltage and c option: itrim voltage
product # nq20x20egx10 ph one 1-888-567-9596 ww w.synqor.com do c.# 005-0005379 rev. b 09/18/09 pa ge 5 input: outputs: current: package: 9 - 20v 0 - 20v 10a eighth-brick chic ciicti nq20x20egx10 electrical characteristics (continued) ta = 25 c, airflow rate = 300 lfm, vin = 12 v dc unless otherwise noted; full operating temperature range is -40 c to +105 c ambient temperature with appropriate power derating. specifications subject to change without notice. parameter vout min. typ. max. units notes & conditions dynamic characteristics output voltage during current transient for a step change in output current all 1 v (0.1 a/s); 50%-75%-50% iout max settling time all 5 ms to within 1.5% vout nom. turn on transient startup delay all 2 ms resistive load rise rate all 0.2 v/ms " output voltage overshoot all 0 v " feature characteristics switching frequency all 240 250 260 khz on/off control negative logic (n) on/off control off-state voltage all 1.8 3.3 v on-state voltage all 0 0.8 v pull-up voltage all 3.3 v pull-up resistance all 10 k output voltage trim range all 0 20 v measured vout+ to common pins input/output over-voltage protection all 22 24 25 v over full temp range over-temperature shutdown all 115 c average pcb temperature over-temperature shutdown restart hysteresis all 15 c reliability characteristics calculated mtbf (tr-nwt-000332; telcordia) all tbd 10 6 hrs. 100% load, 200lfm, 40 c ta calculated mtbf (mil-hdbk-217f; mil-217) all tbd 10 6 hrs. 100% load, 200lfm, 40 c ta field demonstrated mtbf all 10 6 hrs. see our website for details nq20x20egc and nq20x20etc C max vin is 20, but in the effciency section, it gives numbers for 24 vin and 48 vin, nq40x40egc and nq40x40etc C max vin is 40, but in the effciency section, it gives numbers for 48vin, nq40x40etc Csays 7.5 a load instead of 15a in the comments section of full load, c option: isense voltage and c option: itrim voltage standards compliance and qualification testing parameter notes & conditions standards compliance ul 60950-1:2003 can/csa-c22.2 no. 60950-1:2003 en60950-1:2001 needle flame test (iec 695-2-2) test on entire assembly; board & plastic components ul94v-0 compliant 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
product # nq20x20egx10 ph one 1-888-567-9596 ww w.synqor.com do c.# 005-0005379 rev. b 09/18/09 pa ge 6 input: outputs: current: package: 9 - 20v 0 - 20v 10a eighth-brick chic ciicti figure 5: i nput terminal ripple current at 12 v input voltage and rated load current (500 ma/div). bandwidth: 20 mhz. see figure 7. 3.3 vout 5.0 vout 12 vout 20 vout 0 5 0 5 0 5 0 5 100 0 2 10 o cunt iin 20vin 12vout 12vin 5vout 20vin 5vout 12vin 20vout figure 1: efficiency at different output voltage vs. load current for different input voltage at 25oc. 0 1 2 3 4 5 6 0 2 4 6 8 10 load current (a) power issipation () 20vin 12vout 12vin 5vout 20vin 5vout 12vin 20vout figure 2: power dissipation at different output voltage vs. load current for different voltage at 25oc. figure 4: test set-up diagram showing measurement points for input terminal ripple current (figure 5), and output voltage ripple (figure 6). 1 h source impedance see fig. 5 see fig. 6 i c 100 f 100mw esr tantalum capacitor c* v source i s v out v in * see values for recommended external input capacitance. inductor optional as needed. dc-dc converter figure 6: output voltage ripple at 10 v input voltage and rated load current (50mv/div). zero load capacitance. bandwidth: 20 mhz. see figure 7. 12 vout 5.0 vout 3.3 vout 20 vout 0 2 10 10 12 1 1 1 20 nut votv t outut cunt tb 100c; vout=5 v tb 100c; vout=12 v tb 100c; vout=20 v figure 3: maximum output power derating curve with a controlled base - plate temperature of 80oc and 100oc. nq20x20egx10 figures
product # nq20x20egx10 ph one 1-888-567-9596 ww w.synqor.com do c.# 005-0005379 rev. b 09/18/09 pa ge 7 input: outputs: current: package: 9 - 20v 0 - 20v 10a eighth-brick chic ciicti 12 1 1 1 1 0 10 a v figure 9: i mon pin voltage vs. load current at 16 v input and 13.8 v out - put. load capacitance: 100 f electrolytic cap. c option only. 0.0 0.5 1.0 1.5 2.0 2.5 0 5 10 15 current limit (a) i trim (v) figure 10: current limit vs. itrim pin voltage with 16 v input voltage and 13.8 v output voltage. load capacitance: 100 f electrolytic cap. c option only. figure 11: output voltage response for 3.3 v, 5 v, 12 v, 20 v units to step- change in load current (50-75-50% of iout max; di/dt=0.1a/ s). load cap: 100 f, 100m w esr tant, ch 1-3: vout (1v/div);(5ms/div). 3.3 vout 5.0 vout 12 vout 20 vout figure 7: turn-on transient at zero load (50 ms/div). on/off input (5 v/div) ch 1-4: vout (5 v/div) 3.3 vout 5.0 vout 12 vout 20 vout on/off figure 8: turn-on transient at full load (resistive load) (50 ms/div). on/off input (5 v/div) ch 1-4: vout (5 v/div) 3.3 vout 5.0 vout 12 vout 20 vout on/off
product # nq20x20egx10 ph one 1-888-567-9596 ww w.synqor.com do c.# 005-0005379 rev. b 09/18/09 pa ge 8 input: outputs: current: package: 9 - 20v 0 - 20v 10a eighth-brick chic ciicti basic operation and features these converters use a digital controller for the buck stage and boost stage (see figure a). it automatically changes operating mode (buck mode or boost) when the line voltage or output set point changes. both stages are accomplished with synchronous rectifiers. very high efficiency is maintained over wide input and output ranges by shifting operational modes and use of synchronous rectifiers. vin+ vin- linput cin1 cin2 gate_q1 gate_q3 gate_q4 gate_q2 q1 q3 q4 q2 l loutput jumper cout1 cout2 vout+ vout- figure a: topology w mode: q3, q4 are populated, jumper is open. t mode: q3, q4 are open, jumper is populated. the converter runs at a fixed frequency with a predictable emi performance. this series of quarter-brick and eighth-brick converters use the industry standard footprint and pin-out configuration. control features remote on/off: the on/off input permits the user to con- trol when the converter is on or off. only negative on/off logic is available in this power module series. negative logic on/off signal turns the module off during logic high (leave the pin floating or set voltage between 1.8~3.3 v) and turns the module on during logic low [tie to v in (-)]. output voltage trim: the output voltage can be programmed to any voltage between 0 v dc and v max by connecting one resistor between the pin 6 (trim) pin and pin 5 [sense(-)]. for a desired output voltage, the value of the resistor should be: r trim-up (v out ) = [( 11830 x v max ) _ 10912 ] ( ? ) v out + 0.058 x v max alternatively, the trim pin can be driven from an external voltage source: v(pin6) = 2.366 C 2.314 ( v out ) v max where: v out = desired output voltage v max = maximum rated output voltage to maintain the accuracy of the output voltage over load current, it is vital that any trim-up resistor be terminated directly to the converters sense(-) pin (s option) or vout(-) pin (c option), not at the connection to the load. a separate kelvin connection to the pcb pad for the vout(-) is optimal. protection features input under-voltage lockout: the converter is designed to turn off when the input voltage is too low, helping avoid an input system instability problem, described in more detail in the application note titled input system instability. 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 (listed on the specification page) 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 shutdown: to provide protection in an output short condition, the unit is equipped with internal short circuit protection. when the short protection is triggered, the unit shutdowns first. after approximately 16 ms inhibit time, the units turn on again. if the short condition remains, the current limit circuit will limit the output current. the units operate normally once the fault condition is removed. internal over-voltage protection: to fully protect from excessive output voltage, the output over-voltage shutdown circuitry is contained. this ovp is independent of the trimmed set point. the shutdown point is fixed on the standard option. 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. 12465 .0569 2.180 application section
product # nq20x20egx10 ph one 1-888-567-9596 ww w.synqor.com do c.# 005-0005379 rev. b 09/18/09 pa ge 9 input: outputs: current: package: 9 - 20v 0 - 20v 10a eighth-brick chic ciicti 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. input filtering: these modules should be connected to a low-impedance source. a highly inductive source can affect the stability of the module. an input capacitance must be placed directly adjacent to the input pin of the module, to minimize input ripple voltage and ensure module stability. output capacitance: for stable operation of the module, there is no extra external capacitor required. to reduce the output ripple and improve dynamic response to a step load change, additional capacitance at the output can be used. low esr polymer and ceramic capacitors are recommended to improve the dynamic response of the module. in many applications, however, additional external output capacitance is a requirement which will cause the startup time to change. remote sense (s option): vout remote sensing is provided to achieve proper regulation at the load points and reduce effects of distribution losses on output line. in the event of an open remote sense line, the module shall maintain local sense regulation through an internal resistor. the module shall correct for a total of 10% vout. current limit: available power is limited by output current in buck mode (v in >v out ), but by input current in boost mode (v in v out, i limit = 1.2 x i max for v in < v out, i limit = 1.2 x i max ( v in ) v out where i max = maximum rated output current negative output: this series of converters can be set to negative output (see figure b). vin+ vin+ enable vin- vin-/ vout+ vout+ sense+ sense- trim vout- vout- 4 5 6 7 8 1 2 3 cout1 rtrim-up cin1 cin2 dc/dc converter figure b: egtie utut setu using this negative output setup impacts the available output voltage range and current limit. the output voltage range becomes 0 to v max - v in , and the cur- rent limit is scaled by: v in (v in + v out ) current monitor/trimmable current limit (c option): in addition to voltage trim, the c option offers an adjustable current limit input and a current monitor output. the c option also includes an ideal diode circuit in series with the vout+ pin that prevents reverse current flow. this enables applications such as battery charging, current sharing, and current read back. vin+ vin- vin+ enable vin- vout+ vout+ i mon i mon i trim v trim vout- vout- 4 5 6 7 8 1 2 3 cout r trim-up r adjilim cin dc/dc converter figure c: current nitrtrie urrent iit setu the r trim-up resistor increases the output voltage, identical in function to the s option. the r adjitrim resistor reduces the output current limit, according to the following equation: r adjitrim = [( 0.0469 i max + i trim ) 10200 - 10 ] (?) 1.153 i max + i trim alternatively, the i trim pin can be driven from an external voltage source: v(pin5) = 2.085(i trim /i max ) + 0.0953 where i trim is the desired current limit setpoint if i limit is less than i trim , then i limit takes precedence. the i mon pin voltage tracks the output current, as shown in figure 9. this pin has a 10kohm output impedance.
product # nq20x20egx10 ph one 1-888-567-9596 ww w.synqor.com do c.# 005-0005379 rev. b 09/18/09 pa ge 10 input: outputs: current: package: 9 - 20v 0 - 20v 10a eighth-brick chic ciicti part numbering system the part nu mbering sy stem fo r sy nqors dc -dc co nverters follows the fo rmat sh own in th e ex ample be low. the first 12 ch aracters co mprise th e ba se pa rt nu mber an d the last 3 ch aracters in dicate av ailable op tions. th e - g suffix indicates 6/ 6 ro hs co mpliance. application notes a variety of ap plication no tes an d te chnical wh ite pa pers ca n be downloaded in pd f fo rmat fr om ou r we bsite. rohs compliance: the eu led ro hs (r estriction of ha zardous substances) di rective ba ns th e us e of le ad, ca dmium, hexavalent ch romium, me rcury, po lybrominated bi phenyls (pbb), and po lybrominated di phenyl et her (p bde) in el ectrical and electronic eq uipment. th is sy nqor pr oduct is 6/ 6 ro hs compliant. fo r mo re in formation pl ease re fer to sy nqors rohs addendum av ailable at ou r rohs compliance / le ad fr ee initiative we b pa ge or e-mail us at rohs@synqor.com . ordering information the tables be low sh ow th e va lid mo del nu mbers an d or dering options for co nverters in th is pr oduct fa mily. wh en or dering synqor converters, pl ease en sure th at yo u us e th e co mplete 15 character pa rt nu mber co nsisting of th e 12 ch aracter ba se part number an d th e ad ditional 3 ch aracters fo r op tions. add -g to th e mo del nu mber fo r 6/ 6 ro hs co mpliance. the following options must be included in place of the w x y z spaces in the model numbers li sted above. not all combinations ma ke va lid pa rt nu mbers, pl ease co ntact synqor for av ailability. see the product summary web page for more options. warranty synqor offers a three (3) year li mited warranty. complete warranty information is li sted on our website or is avail able 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 mode (see ordering information) 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 n q 2 0 w 2 0 e g c 1 0 n n s - g model number input voltage output voltage max output current nq20 w20egx10n yz-g 9-20v 0-20v 10a mode: w options description: x y z thermal design enable logic pin style feature set t - buck w - buck / boost c - encased v - encased with flanged baseplate n - negative k - 0.110" n - 0.145" r - 0.180" y - 0.250" s - standard c - current monitor output / trimmable current limit patents synqor holds the following u.s. patents, one or more of which apply to each product listed in this brochure. additional patent applications may be pending or fled 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
|
