parameter rating unit notes +in to ?n voltage -0.5 to +75 vdc +in to ?n voltage 100 vdc <100ms pc to ?n voltage -0.5 to +7.0 vdc pr to ?n voltage -0.5 to +7.0 vdc sc to ?ut voltage -0.5 to +1.5 vdc ?ense to ?ut voltage 1.0 vdc isolation voltage (in to out) 1500 vdc isolation voltage (in to case) 1500 vdc isolation voltage (out to case) 1500 vdc storage temperature (c-grade) -40 to +125 ? operating temperature (c-gr ade) -20 to +100 ? case temp. 4 5 features dc input range: 36 C 75v dc outputs: 1.5 to 12v low profile: 0.350'' above board height multiple fin configurations effective power density: up to 188w/in 3 parallelable, with n+m fault tolerance low noise zcs/zvs architecture input surge withstand: 100v for 100ms typical applications typical applications include communications, data processing, test equipment, industrial applications and distributed power systems. product overview powerstick features an above board height of only 0.35'' and a footprint as small as 2.28''l x 0.5''w. powerstick converters deliver up to 75 watts per module and up to 900 watts in fault-tolerant arrays. vicor s innovative through-the-board mounting results in an effective power conversion density of 188w/in 3 . a wraparound aluminum body, available in a variety of options, provides integral cooling in a broad range of applications and thermal environments, allowing customers to achieve peak power density within the 0.35'' low profile. all members of the powerstick family maintain the complete feature set of vicor 2nd generation converters. and, because powersticks are environmentally sealed and encased in aluminum, they offer superior ruggedness, reliability, electrical shielding and noise performance. low voltage models incorporate vicor s innovative smart rectification tm fo r high efficiency. data sheet powerstick dc-dc converters low profile, integral cooling up to 75w preliminary absolute maximum ratings part numbering ps 48 m 3v3d c s case configuration see below and page 7 product grade temperatures (?) grade storage operating c= - 40 to +125 - 20 to +100 t = - 40 to +125 - 40 to +100 input voltage output voltage 1v5 = 1.5v, 15a 1v5d = 1.5v, 10a 1v8 = 1.8v, 15a 1v8d = 1.8v, 10a 2 = 2.0v, 15a 2d = 2.0v, 10a 2v5 = 2.5v, 15a 2v5d = 2.5v, 10a 3v3 = 3.3v, 15a 3v3d = 3.3v, 10a 5 = 5v, 12a 12 = 12v, 75w mounting height m : 0.35'' 0.35'' above board height s case f1 case f2 case f3 case f4 case for the most current data and applications support, visit vicr.com. vicor corporation tel: 800-735-6200 ? 978-470-2900 ? fax: 978-475-6715 page 1
parameter min typ max unit notes operating input voltage 36 48 75 vdc input surge withstand 100 vdc <100ms vicor corporation tel: 800-735-6200 ? 978-470-2900 ? fax: 978-475-6715 page 2 parameter min typ max unit notes line regulation ?.02 ?.2 % low line to high line; full load temperature regulation ?.002 ?.005 % / ? -20 to 100? power sharing accuracy 2 5 % 10 to 100% of full load programming range 10 110 % of nominal output voltage. for trim below 90% of nominal, a minimum load of 10% of maximum rated power may be required. parameter 1.5 to 3.3v 5v 12v unit notes output voltage setpoint ?% 1% ?% vout nom. nominal input, 75% load, 25? ripple and noise, p-p (typ.) 180 250 160 mv nominal input; full load; 25?, 20mhz bw output power (max.) 60 75 watts at 100? case temperature output current (max.) 10 or 15 amps at 100? case temperature output ovp setpoint (nom.) 115% vnom +0.5 6.3 14.3 volts dissipation, standby (typ.) 1.8 1.9 1.9 watts no load; nominal input load regulation (max.) 0.3 0.3 0.2 ? vout no load to full load; nominal input current limit (typ.) 115 115 115 % iout output voltage 95% of nominal short circuit current (typ.) 115 115 115 % iout output voltage < 250mv module operating specifications module output voltage related specifications module output specifications electrical characteristics electrical characteristics apply over the full operating range of input voltage, output load (resistive) and case temperature, unless otherwise specified. all temperatures refer to the operating temperature at the top center of the case. for the most current data and applications support, visit vicr.com. module input specifications parameter min typ max unit notes undervoltage turn-on 34.9 35.7 vdc undervoltage turn-off 29.4 30.5 vdc overvoltage turn-off/on 75.7 78.8 82.5 vdc note: for important information relative to applications where the converters are subject to continuous dynamic loading, contact vicor applications engineering at 800-927-9474 or your local vicor office. preliminary
parameter min typ max unit notes primary side (pc = primary control; pr = parallel) pc bias voltage current limit 1.5 2.1 3.0 ma pc voltage = 5.5v pc module disable 2.5 2.5 2.6 vdc must be able to sink 4 ma. see fig. 1 pc module enable delay 4 7 ms pc module alarm 0.5 vavg uv, ov, module fault. see figs. 2, 4 pr emitter amplitude 5.7 5.9 6.1 volts pr load >30 ohms, < 30 pf pr emitter current 150 ma pr receiver impedance 375 500 625 ohms 25? pr receiver threshold 2.4 2.5 2.6 volts minimum pulse width: 20ns pr drive capability 12 modules without pr buffer amplifier secondary side (sc = secondary control) sc bandgap voltage 1.22 1.23 1.24 vdc referenced to ?ense sc resistance 990 1000 1010 ohms sc capacitance 0.033 ? sc module alarm 0 vdc with open trim; referenced to ?ense. see fig. 6 parameter min typ max unit notes remote sense (total drop) 0.5 vdc 0.25v per leg (senses must be closed) isolation voltage (in to out) 1500 vdc isolation voltage (in to case) 1500 vdc isolation voltage (out to case) 1500 vdc isolation resistance (in to out) 10 megohms weight 0.9 (26) ounces (grams) s case agency approvals ul, csa, t?v, babt, ce, vde ul1950, csa950, en60950, vde0805, bs7002, iec 60950. w ith a fuse in a series with the +input module control specifications module general specifications vicor corporation tel: 800-735-6200 ? 978-470-2900 ? fax: 978-475-6715 page 3 electrical characteristics, continued for the most current data and applications support, visit vicr.com. case configuration s f1 f2 f3 f4 max. power @ 12vout 32w 37w 45w 55w 71w max. current @ 3.3vout 6.4a 7.5a 9a 11a 14a for complete thermal design support, and the complete list of package options, see our web site at vicr.com/powerstick. typical performance 45?, 400lfm, 100% duty cycle preliminary
vicor corporation tel: 800-735-6200 ? 978-470-2900 ? fax: 978-475-6715 page 4 control functions - pc pin module enable/disable the module may be disabled by pulling pc below 2.3v with respect to the ?nput. this may be done with an open collector transistor, relay, or optocoupler. multiple converters may be disabled with a single transistor or relay either directly or via ?r?ng?diodes. see figure 1. module alarm the module contains ?atchdog?circuitry which monitors input voltage, and internal operating parameters. in the event that any of these parameters are outside of their allowable operating range, the module will shut down and pc will go low. pc will periodically go high and the module will check to see if the fault has cleared. if the fault has not been cleared, pc will go low again and the cycle will restart. the sc pin will go low in the event of a fault and return to its normal state after the fault has been cleared. see figures 2, 4. disable disable = pc <2.3v +in pc pr -in figure 1 ?odule enable/disable. figure 3 ?ed on-state indicator. 4k ? "module enabled" +in pc pr -in optocoupler 4k ? +in pc pr -in alarm 1.00v +out +s sc -s -out input undervoltage 2-20ms typ. f (v in ) auto restart 5.7 vdc (0-3ma) 50 ? sw2 sw3 1.23 vdc 6k 1k sw1 sw1, 2, & 3 shown in "fault" position input overvoltage module faults +in pc pr -in +out +s sc -s -out figure 2 ?c/sc module alarm logic. figure 5 ?solated on-state indicator. 2-20ms typ. fault sc pc 1.23v 5.7v 40 s typ. figure 4 ?c/sc module alarm timing. figure 6 ?econdary side on-state indicator. primary auxiliary supply at 5.7v, pc can source up to 1.5ma. in the example shown in figure 3, pc powers a module enabled led. for the most current data and applications support, visit vicr.com. preliminary
output voltage programming the output voltage of the converter can be adjusted or programmed via fixed resistors, potentiometers or voltage dacs. see figures 7 & 8. vicor corporation tel: 800-735-6200 ? 978-470-2900 ? fax: 978-475-6715 page 5 control functions - sc pin figure 8 ?utput voltage trim up circuit. figure 7 ?utput voltage trim down circuit. r u (ohms) = - 1,000 1.23 ( vout-vnom ) r d (ohms) = vnom - vout r u trim up load error amp 1k ? 1.23v 0.033 f +out +s sc -s -out r d trim down load error amp 1k ? 1.23v 0.033 f +out +s sc -s -out trim down 1. this converter is not a constant power device ?it has a constant current limit. hence, available output power is reduced by the same percentage that output voltage is trimmed down. do not exceed maximum rated output current. 2. the trim down resistor must be connected to the ?ense pin. trim up 1. as output voltage is increased, reduce output current maximum to insure that maximum rated power is not exceeded. 2. the trim up resistor must be connected to the +sense pin. 3. do not trim the converter above maximum trim range (typically +10%) or the output over voltage protection circuitry may be activated. trim values calculated automatically: resistor trim calculators are available on vicor s web site, vicr.com, by selecting calculators from the toolbox. resistor values can be calculated for fixed trim up, fixed trim down and for variable trim up or down by selecting the trim calculator for 2nd generation dc-dc converters. in addition to trimming information, the web site also includes design tips, applications circuits, emc suggestions, thermal design guidelines and pdf data sheets for all available vicor products. for the most current data and applications support, visit vicr.com. 1,000 vout 1,000 ( vout-1.23 ) vnom preliminary
+sense from other modules in the array +out +s sc -s -out figure 12 ?r?ng diodes connections. load +s s powerstick 2 powerstick 1 powerstick n+1 +out +s sc -s -out +out +s sc -s -out +out +s sc -s -out figure 11 ?+1 module array o utput connections. control functions - pr pin parallel operation the pr pin supports paralleling for increased power with n+1 (n+m) redundancy and phased array capability (see phased array control chip at vicr.com). modules of the same input voltage, output voltage, and power level will current share if all pr pins are suitably interfaced. compatible interface architectures include the following: dc coupled single-wire interface. all pr pins are directly connected to one another. this interface supports current sharing but is not fault tolerant. minus in pins must be tied to the same electric potential. see figure 9. ac coupled single-wire interface. all pr pins are connected to a single communication bus through . 001 f (500v) capacitors. this interface supports current sharing and is fault tolerant except for the communication bus. see figure 10. vicor corporation tel: 800-735-6200 ? 978-470-2900 ? fax: 978-475-6715 page 6 for the most current data and applications support, visit vicr.com. figure 9 ?c coupled single-wire interface. powerstick 2 (up to 12) powerstick 1 ground plane +in pc pr -in +in pc pr -in powerstick 2 (up to 12) powerstick 1 ground plane .001 f .001 f +in pc pr -in +in pc pr -in figure 10 ?c coupled single-wire interface. the +out and out power buses should be designed to minimize and balance parasitic impedance from each module output to the load. the +sense pins should be tied to the same point on the +out power bus; the sense pins should be tied to the same point on the out power bus. at the discretion of the power system designer, a subset of all modules within an array may be configured as slaves by shorting sc to s. or ing diodes may be inserted in series with the +out pins of each module to provide module output fault tolerance. preliminary
pcb mounting aperture (non-component side shown) 2.280 57,92 .310 7,87 .350 8,89 .515 13,08 .031 0,79 r (5) pl. 2.26 57,41 2.280 .003 57,92 0,08 .097 2,46 .09 2,2 .50 12,69 .500 12,7 2.45 62,34 .097 2,46 .062 1,57 typ. .062 1,57 typ. s case typical case configurations for comprehensive thermal management information, visit vicr.com/powerstick .725 18,42 f2 case 1.075 27,31 f4 case .500 12,7 s case .600 15,2 f1 case .875 22,23 f3 case .106 .003 2,69 0,08 -out -s sc +s +out .092 2,34 .025 .003 0,64 0,08 (3) pl. .133 .003 3,38 0,08 (2) pl. .316 .003 8,02 0,08 .210 .003 5,33 0,08 .158 .003 4,01 0,08 -in pc pr +in .101 2,57 .120 .003 3,05 0,08 (2) pl. .025 .003 0,64 0,08 (2) pl. .100 .003 2,53 0,08 .298 .003 7,57 0,08 .152 .003 3,85 0,08 all markings, this surface .049 .101 .201 .097 .052 .104 .210 .106 .000 .000 .0675 2.280 .3095 .2055 2.3475 (5) pl. r.031 + in - in input + out - out output 2,46 1,24 2,57 5,11 .120 .115 3,05 2,92 .026 .115 0,67 2,92 .134 .115 3,40 2,92 59,63 57,91 5,22 2,70 0,00 1,32 2,64 5,33 7,86 0,00 1,71 0,79 pad dimensions power in control pins power out 4 3 2 1 5 6 7 8 9 vicor corporation tel: 800-735-6200 ? 978-470-2900 ? fax: 978-475-6715 page 7 for the most current data and applications support, visit vicr.com. mechanical drawings pcb mounting specifications shock and vibration rating for standard mounting: 5grms vibration, 500g shock preliminary solder pad layout converter pins no. function label 1 +in + 2 primary pc control 3 parallel pr 4 in 5 out 6 sense s 7 secondary sc control 8 +sense +s 9+out +
for the most current data and applications support, visit vicr.com. p/n 23223 rev 2 7/01/10m vicor s comprehensive line of power solutions includes modular, high density dc-dc converters and accessory components, configurable power supplies, and custom power systems. information furnished by vicor is believed to be accurate and reliable. however, no responsibility is assumed by vicor for its use. no license is granted by implication or otherwise under any patent or patent rights of vicor. vicor components are not designed to be used in applications, such as life support systems, wherein a failure or malfunction could result in injury or death. all sales are subject to vicor s terms and conditions of sale, which are available upon request. specifications are subject to change without notice. the latest data is available on the vicor web site at vicr.com. vicor corporation 25 frontage road andover, ma, usa 01810 tel: 800-735-6200 978-470-2900 fax: 978-475-6715 email vicor express: vicorexp@vicr.com technical support: apps@vicr.com component solutions for your power system 4 5
|
