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ib0xxe120t32xx-xx ibc module 4:1 intermediate bus converter module: up to 300 w output ibc module rev 1.0 vicorpower.com page 1 of 16 03/2015 800 927.9474 c us s nrtl cus product overview the intermediate bus converter (ibc) module is a very efficient, low profile, isolated, fixed ratio converter for power system applications in enterprise and optical access networks. rated at up to 300 w from 38 to 55 vin, the ibc conforms to an industry standard eighth brick footprint while supplying the power of a quarter brick. its leading efficiency enables full load operation at 65c with only 200 lfm airflow. its small cross section facilitates unimpeded airflow ? above and below its thin body ? to minimize the temperature rise of downstream components. ? input: 36 ? 60 vdc (38 ? 55 vdc for ib048x) ? output: 12.0 vdc at 48 vin ? output current up to 32 a ? output power: up to 300 w [a] ? 2,250 vdc isolation (1,500 vdc isolation for ib048x) ? 97.9% peak efficiency ? low profile: 0.38? height above board ? industry standard 1/8 brick pinout ? sine amplitude converter ? low noise 1 mhz zvs/zcs features [a] for higher power applications see 500 w module ib0xxe120t40xx-xx. applications ? enterprise networks ? optical access networks ? storage networks ? automated test equipment size: 2.30 x 0.9 x 0.38 in 58,4 x 22,9 x 9,5 mm part number designation function input voltage package output voltage (nom.) x 10 temperature grade output current enable logic pin length options i b 0 x x e 1 2 0 t 3 2 x x x x 048 = 38 - 55 vdc 050 = 36 - 60 vdc 054 = 36 - 60 vdc* *w/operating transient to 75 vdc 00 = open frame - ib = intermediate bus converter e = eighth brick format 120 = (v out nominal @ v in = 48 vdc) x 10 (4:1 transfer ratio) t = -40c t operating +100c -40c t storage +125c n = negative p = positive 32 = max rated output current 1 = 0.145 in 2 = 0.210 in 3 = 0.180 in
ib0xxe120t32xx-xx ibc module rev 1.0 vicorpower.com page 2 of 16 03/2015 800 927.9474 all specifications valid at 48 v in , 100% rated load and 25c ambient, unless otherwise indicated. specifications absolute maximum ratings min max unit notes input voltage (+in to ?in) ?0.5 75 vdc see input range specific characteristics for details input voltage rate 5 v/ s en ?in -0.5 20 vdc output voltage (+out to ?out) -0.5 see note vdc see ovp setpoint max output current 32 a pout 300 w dielectric withstand 2,250 (input to output) (1,500 for ib048x) vdc 1 min. temperature operating junction -40 125 c hottest semiconductor storage -55 125 c electrical characteristics attribute symbol conditions / notes min typ max unit input range specific characteristics ib048e120t32xx-xx operating input voltage 38 48 55 vdc non-operating input surge withstand <100 ms 75 vdc operating input dv/dt 0.003 5 v/s undervoltage protection turn-on 33 38 vdc turn-off 31 36 vdc turn-on/ turn-off hysteresis 2 vdc time constant 7s undervoltage blanking time uv blanking time is enabled after start up 50 100 200 s overvoltage protection turn-off 60 64 vdc turn-on 55 64 vdc time constant 4s peak short circuit input current 30 a dc output voltage band no load, over vin range 9.5 12.0 13.75 vdc output ovp set point module will shut down 16.2 vdc dielectric withstand i nput to output. all units are tested in production. 1,500 vdc insulation resistance input to output 30 m
ib0xxe120t32xx-xx ibc module rev 1.0 vicorpower.com page 3 of 16 03/2015 800 927.9474 specifications (cont.) all specifications valid at 48 v in , 100% rated load and 25c ambient, unless otherwise indicated. attribute symbol conditions / notes min typ max unit input range specific characteristics cont. ib050e120t32xx-xx operating input voltage 36 48 60 vdc non-operating input surge withstand <100 ms 75 vdc operating input dv/dt 0.003 5 v/s undervoltage protection turn-on 31 36 vdc turn-off 29 34 vdc turn-on/ turn-off hysteresis 2 vdc time constant 7s undervoltage blanking time uv blanking time is enabled after start up 50 100 200 s overvoltage protection turn-off 65 69 vdc turn-on 60 69 vdc time constant 4s peak short circuit input current 40 a dc output voltage band no load, over vin range 9 12 15 vdc output ovp set point module will shut down 16.2 vdc dielectric withstand i nput to output. all units are tested in production. 2,250 vdc insulation resistance input to output 30 m ib054e120 t32xx-xx operating input voltage 36 48 60 vdc operating input surge withstand <100 ms 75 vdc operating input dv/dt 0.003 5 v/s undervoltage protection turn-on 31 36 vdc turn-off 29 34 vdc turn-on/ turn-off hysteresis 2 vdc time constant 7s undervoltage blanking time uv blanking time is enabled after start up 50 100 200 s overvoltage protection turn-off 76 79.5 vdc turn-on 75 78 vdc time constant 4s peak short circuit input current 30 a dc output voltage band no load, over vin range 9 12 15 vdc output ovp set point module will shut down 16.2 vdc dielectric withstand i nput to output. all units are tested in production. 2,250 vdc insulation resistance input to output 30 m common input specifications turn on delay start up inhibit v in reaching turn-on voltage 20 25 30 ms to enable function operational, see figure 6 turn-on delay enable to 10% v out ; pre-applied v in , 50 s see figure 7, 0 load capacitance electrical characteristics (continued)
ibc module rev 1.0 vicorpower.com page 4 of 16 03/2015 800 927.9474 attribute symbol conditions / notes min typ max unit common input specifications cont. output voltage rise time from 10% to 90% v out , 10% load, 50 s 0 load capacitance. see figure 8 restart turn-on delay see page 12 for restart after en pin disable 250 ms no load power dissipation enabled 3.0 3.9 w disabled 0.17 0.24 w input current low line, full load 8.2 a inrush current overshoot using test circuit in figure 21, 15% load, high line 18 a input reflected ripple current at max power; 400 marms using test circuit in figure 22. see figure 5 repetitive short circuit peak current 25 a internal input capacitance 8.8 f internal input inductance 5nh recommended external 200 nh maximum source inductance 47 470 f input capacitance output output power [a] 0 300 w output current p 300 w 32 a output start up load of iout max, maximum output capacitance 15 % effective output resistance 5.2 m line regulation (k factor) v out = k ? v in @ no load 0.247 0.250 0.253 current share accuracy full power operation; see parallel operation 10 % on page 13; up to 3 units efficiency 50% load see figure 1 97.0 97.4 % full load see figure 1 97.4 97.9 % internal output inductance 1.6 nh internal output capacitance 55 f load capacitance 0 3000 f output voltage ripple 20 mhz bandwidth (figure 16), 60 150 mvp-p using test circuit in figure 23 of iout max., will not shutdown when started output overload protection threshold into max cout; and 15% load 105 150 % auto restart with duty cycle <10% over current protection time constant 1.2 ms short circuit current response time 1.5 s switching frequency 1.0 mhz dyanmic response - load load change: +/- 25% of i out max, vo overshoot/undershoot slew rate (di/dt) = 1 a/s. 100 mv vo response time see figures: 11-14 1 s dyanmic response - line line step of 5 v in 1 s, within v in operating range. (c in = 500 uf, c o = 350 uf) vo overshoot (figure 15 illustrates similar converter response 1.25 v when subjected to a more severe line transient.) electrical characteristics (continued) specifications (cont.) all specifications valid at 48 v in , 100% rated load and 25c ambient, unless otherwise indicated. [a] does not exceed ipc-9592 derating guidelines. at 70c ambient, full power operation may exceed ipc-9592 guidelines, but does no t exceed component ratings, does not activate otp and does not compromise reliability.
ib0xxe120t32xx-xx ibc module rev 1.0 vicorpower.com page 5 of 16 03/2015 800 927.9474 specifications (cont.) attribute symbol conditions / notes min typ max unit enable (negative logic) referenced to ?in module enable threshold 0.8 vdc module enable current v en = 0.8 v 130 200 a module disable threshold 2.4 vdc module disable current v en = 2.4 v 130 a disable hysteresis 500 mv enable pin open circuit voltage 2.5 3.0 vdc en to ?in resistance open circuit, 10 v applied between en and -in 35 k enable (positive logic) referenced to ?in module enable threshold 2.0 2.5 3.0 vdc module disable threshold 1.45 vdc en source current (operating) v en = 5 v 2 ma en voltage (operating) 4.7 5 5.3 vdc control & interface specifications attribute symbol conditions / notes min typ max unit mtbf calculated per telcordia sr-332, 40c 1.0 mhrs service life calculated at 30c 7 years over temperature shut down t j ; converter will reset when over 125 130 135 c temperature condition is removed dielectric withstand input to output 1,500 vdc insulation resistance input to output 30 m mechanical weight 0.71 / 20.3 oz/g length 2.30 /58.4 in/mm width 0.9/22.9 in/mm height above customer board 0.38 /9.5 in/mm pin solderability storage life for normal solderability 1 years moisture sensitivity level msl not applicable, for wave soldering only n/a clearance to customer board from lowest component on ibc 0.12/0.30 in/mm agency approvals ul /csa 60950-1 curus ul /csa 60950-1, en60950-1 ctuvus altitude, operating derate operating temp 1c -500 10,000 feet per 1,000 feet above sea level relative humidity, operating non condensing 10 90 % rohs compliance compatible with rohs directive 2002/95/ec general characteristics conditions: 25c case, 75% rated load and specified input voltage range unless otherwise specified. attribute symbol conditions / notes min typ max unit output cont. pre-bias voltage unit will start up into a pre-bias 0 15 vdc voltage on the output. electrical characteristics (continued)
ib0xxe120t32xx-xx ibc module rev 1.0 vicorpower.com page 6 of 16 03/2015 800 927.9474 test description test detail quantity tested low temp 3 high temp 3 rapid thermal cycling 3 5.2.3 halt (highly accelerated life testing) 6 dof random vibration test 3 input voltage test 3 output load test 3 combined stresses test 3 5.2.4 thb (temp. humidity bias) (72 hr presoak required) 1000 hrs ? continuous bias 30 power cycle - on 42 minutes 5.2.5 htob (high temp. operating bias) off 1 minute, on 1 minute, off 1 minute, on 1 minute, off 1 minute, 30 on 1 minute, off 1 minute, on 1 minute, off 10 minutes. alternating between maximum and minimum operating voltage every hour. 5.2.6 tc (temp. cycling) 700 cycles , 30 minute dwell at each extreme ? 20c minimum ramp rate. 30 5.2.7 power cycling reference ipc-9592a 3 random vibration ? operating iec 60068-2-64 (normal operation vibration) 3 random vibration non-operating (transportation) iec 60068-2-64 3 5.2.8 ? 5.2.13 shock and vibration shock operating - normal operation shock iec 60068-2-27 3 free fall - iec 60068-2-32 3 drop test 1 full shipping container (box) 12 5.2.14.1 corrosion resistance ? not required n/a 5.2.14 other environmental tests 5.2.14.2 dust resistance ? unpotted class ii gr-1274-core 3 5.2.14.3 smt attachment reliability ipc-9701 - j-std-002 3 5.2.14.4 through hole solderability ? j-std-002 5 esd classification testing sample size assumes cdm testing 12 total quantity (est.) 161 environmental qualification ipc-9592a, based on class ii category 2 the following detail is applicable. ? pre-conditioning required specifications (cont.)
ib0xxe120t32xx-xx ibc module rev 1.0 vicorpower.com page 7 of 16 03/2015 800 927.9474 efficiency (%) efficiency t amb 25? iout (a) 38 v 48 v 55 v v : in 92% 93% 94% 95% 96% 97% 98% 99% 0 6 13 19 26 32 efficiency (%) efficiency t amb 55? iout (a) 38 v 48 v 55 v v : in 92% 93% 94% 95% 96% 97% 98% 99% 0 6 13 19 26 32 efficiency (%) efficiency t amb 70? iout (a) 38 v 48 v 55 v v : in 92% 93% 94% 95% 96% 97% 98% 99% 0 6 13 19 26 32 figure 1 ? efficiency vs. output current, 25c ambient figure 2 ? efficiency vs. output current, 55c ambient figure 3 ? efficiency vs. output current, 70c ambient figure 4 ? inrush current at high line 15% load figure 5 ? input reflected ripple current at nominal line, full load figure 6 ? turn on delay time; v in turn on delay at nominal line, 15% load specifications (cont.) waveforms
ib0xxe120t32xx-xx ibc module rev 1.0 vicorpower.com page 8 of 16 03/2015 800 927.9474 figure 9 ? overshoot at turn on at nominal line, 15% load figure 10 ? undershoot at turn off at nominal line, 10% load figure 11 ? load transient response; nominal line load step 75? 100% figure 12 ? load transient response; full load to 75%; nominal line specifications (cont.) waveforms (cont.) figure 7 ? turn on delay time; enable turn on delay at nominal line, 15% load figure 8 ? output voltage rise time at nominal line, 10% load
ib0xxe120t32xx-xx ibc module rev 1.0 vicorpower.com page 9 of 16 03/2015 800 927.9474 figure 13 ? load transient response; nominal line load step 0 ? 25%; 5 a/div figure 14 ? load transient response; 25?0%; nominal line figure 15 ? input transient response; vin step low line to high line at full load figure 16 ? output ripple; nominal line, full load specifications (cont.) waveforms (cont.) figure 17 ? two modules parallel array test. v out and i in change when one module is disabled. nominal v in , i out = 32a figure 18 ? two modules parallel array test. v out and i in change when one module is enabled. nominal v in , i out = 32a
ib0xxe120t32xx-xx ibc module rev 1.0 vicorpower.com page 10 of 16 03/2015 800 927.9474 specifications (cont.) output current (a) output current derating ambient temperature (?) 200 lfm 400 lfm 600 lfm 35 25 45 55 65 75 85 95 35 30 25 20 15 10 5 0 figure 19 ? maximum output current derating vs ambient air temperature. transverse airflow, board and junction temperatures within ipc-9592 derating guidelines output current (a) output current derating ambient temperature (?) 200 lfm 400 lfm 600 lfm 35 25 45 55 65 75 85 95 35 30 25 20 15 10 5 0 figure 20 ? maximum output current derating vs ambient air temperature. longitudinal ai rflow, board and junction temperatures within ipc-9592 derating guidelines v source + _ current probe 47 f ibc +in en ein +out eout load c* *maximum load capacitance figure 21 ? inrush current overshoot v source + _ current probe 470 f ibc +in en ein +out eout load 10 h figure 22 ? input reflected ripple current waveforms (cont.) +in ein +out eout ibc e e load cy = 4700 pf 20 mhz bw 10 f 0.1 f cy b cy d cy c cy a a-d figure 23 ? test circuit; output voltage ripple
ib0xxe120t32xx-xx ibc module rev 1.0 vicorpower.com page 11 of 16 03/2015 800 927.9474 specifications (cont.) thermal data figure 24 ? thermal plot, 200 lfm, 25c, 48 vin, 300 w output power figure 25 ? thermal plot, 200 lfm, 25c, 48 vin, 300 w output power figure 26 ? thermal plot, 400 lfm, 25c, 48 vin, 300 w output power figure 27 ? thermal plot, 400 lfm, 25c, 48 vin, 300 w output power figure 28 ? thermal plot, 600 lfm, 25c, 48 vin, 300 w output power figure 29 ? thermal plot, 600 lfm, 25c, 48 vin, 300 w output power
ib0xxe120t32xx-xx ibc module rev 1.0 vicorpower.com page 12 of 16 03/2015 800 927.9474 +in / -in ? dc voltage input pins the ibc input voltage range should not be exceeded. an internal undervoltage /overvoltage lockout function prevents operation outside of the normal operating input range. the ibc turns on within an input voltage window bounded by the ?input under-voltage turn-on? and ?input over-voltage turn-off? levels, as specified. the ibc may be protected against accidental application of a reverse input voltage by the addition of a rectifier in series with the positive input, or a reverse rectifier in shunt with the positive input located on the load side of the input fuse. the connection of the ibc to its power source should be implemented with minimal distribution inductance. if the interconnect inductance exceeds 100 nh, the input should be bypassed with a rc damper to retain low source impedance and stable operation. with an interconnect inductance of 200 nh, the rc damper may be 47 f in series with 0.3 . a single electrolytic or equivalent low-q capacitor may be used in place of the series rc bypass. en - enable/disable negative logic option if the en port is left floating, the ibc output is disabled. once this port is- pulled lower than 0.8 vdc with respect to ?in, the output is enabled. the en port can be driven by a relay, opto-coupler, or open collector transistor. refer to figures 6 and 7 for the typical enable / disable characteristics. this port should not be toggled at a rate higher than 1 hz. the en port should also not be driven by or pulled up to an external voltage source. positive logic option if the en port is left floating, the ibc output is enabled. once this port is pulled lower than 1.4 vdc with respect to ?in, the output is disabled. this action can be realized by employing a relay, opto-coupler, or open collector transistor. this port should not be toggled at a rate higher than 1 hz. the en port should also not be driven by or pulled up to an external volt- age source. the en port can source up to 2 ma at 5 vdc. the en port should never be used to sink current. if the ibc is disabled using the en pin, the module will attempt to restart approximately every 250ms. once the module has been disabled for at least 250ms, the turn on delay after the en pin is enabled will be as shown in figure 7. +out / -out ? dc voltage output pins total load capacitance at the output of the ibc should not exceed the specified maximum. owing to the wide bandwidth and low output impedance of the ibc, low frequency bypass capacitance and significant energy storage may be more densely and efficiently provided by adding capacitance at the input of the ibc. pin / control functions top view 1 2 3 5 4 pin function 1 vin+ 2 enable 3 vin- 4 vout- 5 vout+ figure 30 ? ibc pin designations
ib0xxe120t32xx-xx ibc module rev 1.0 vicorpower.com page 13 of 16 03/2015 800 927.9474 applications note parallel operation the ibc will inherently current share when operated in an array. arrays may be used for higher power or redundancy in an application. current sharing accuracy is maximized when the source and load impedance presented to each ibc within an array are equal. the recommended method to achieve matched impedances is to dedicate common copper planes within the pcb to deliver and return the current to the array, rather than rely upon traces of varying lengths. in typical applications the current being delivered to the load is larger than that sourced from the input, allowing narrower traces to be utilized on the input side if necessary. the use of dedicated power planes is, however, preferable. one or more ibcs in an array may be disabled without adversely affecting operation or reliability as long as the load does not exceed the rated power of the enabled ibcs. the ibc power train and control architecture allow bi-directional power transfer, including reverse power processing from the ibc output to its input. the ibc?s ability to process power in reverse improves the ibc tran- sient response to an output load dump. thermal considerations the temperature distribution of the vi brick can vary significantly with its input /output operating conditions, thermal management and environmental conditions. although the pcb is ul rated to 130c, it is recommended that pcb temperatures be maintained at or below 125c. for maximum long term reliability, lower pcb temperatures are recommended for continuous operation, however, short periods of operation at 125c will not negatively impact performance or reliability. warning: thermal and voltage hazards. the ibc can operate with surface temperatures and operating voltages that may be hazardous to personnel. ensure that adequate protection is in place to avoid inadvertent contact. input impedance recommendations to take full advantage of the ibc capabilities, the impedance presented to its input terminals must be low from dc to approximately 5 mhz. the source should exhibit low inductance and should have a critically damped response. if the interconnect inductance is excessive, the ibc input pins should be bypassed with an rc damper (e.g., 47 f in series with 0.3 ) to retain low source impedance and proper operation. given the wide bandwidth of the ibc, the source response is generally the limiting factor in the overall system response. anomalies in the response of the source will appear at the output of the ibc multiplied by its k factor. the dc resistance of the source should be kept as low as possible to minimize voltage deviations. this is especially important if the ibc is operated near low or high line as the overvoltage /undervoltage detection circuitry could be activated. input fuse recommendations the ibc is not internally fused in order to provide flexibility in configuring power systems. however, input line fusing of vi bricks must always be incorporated within the power system. a fast acting fuse should be placed in series with the +in port. see safety agency approvals. application notes for ibc and vi brick application notes on soldering, thermal management, board layout, and system design visit vicorpower.com .
ib0xxe120t32xx-xx ibc module rev 1.0 vicorpower.com page 14 of 16 03/2015 800 927.9474 figure 31 ? ibc block diagram controller +in cr lr c in c out +out -in en -out uvlo ovlo sensing reverse current protection switching regulator current sense vb ? q v2 (vcc) q resonant tank current transformer fet drive transformer secondary fet drive transformer secondary fet drive transformer secondary fet drive transformer primary fet drive transformer primary ibc block diagram voltage sense current sense main transformer secondary primary isolation barrier ibc block diagram the sine amplitude converter tm (sac tm ) uses a high frequency resonant tank to transfer energy from input to output. the resonant tank is formed by cr and leakage inductance from the main transformer, lr, as shown in the block diagram. the controller regulates switching frequency o f the fet drivers, monitors current sensing, and provides undervoltage and overvoltage protection.
ib0xxe120t32xx-xx ibc module rev 1.0 vicorpower.com page 15 of 16 03/2015 800 927.9474 1 0.145 [3.68] 2 0.21 [5.33] 3 0.18 [4.57] pin length (x) designator length (x) figure 32 ? ibc outline drawing top view figure 33 ? ibc pcb recommended hole pattern mechanical drawings
vicor?s comprehensive line of power solutions includes high density ac-dc and dc-dc modules and accessory components, fully configurable ac-dc and dc-dc power supplies, and complete custom power systems. information furnished by vicor is believed to be accurate and reliable. however, no responsibility is assumed by vicor for its use. vicor makes no representations or warranties with respect to the accuracy or completeness of the contents of this publication. vicor reserves the right to make changes to any products, specifications, and product descriptions at any time without notice. information published by vicor h as been checked and is believed to be accurate at the time it was printed; however, vicor assumes no responsibility for inaccuracies. testing and other quality controls are used to the extent vicor deems necessary to support vicor?s product warranty. except where mandated by government requirements , testing of all parameters of each product is not necessarily performed. specifications are subject to change without notice. vicor?s standard terms and conditions all sales are subject to vicor?s standard terms and conditions of sale, which are available on vicor?s webpage or upon request. product warranty in vicor?s standard terms and conditions of sale, vicor warrants that its products are free from non-conformity to its standard specifications (the ?ex- press limited warranty?). this warranty is extended only to the original buyer for the period expiring two (2) years after the date of shipment and is not transferable. unless otherwise expressly stated in a written sales agreement signed by a duly authorized vicor signatory, vicor disclaims all representations, liabilities, and warranties of any kind (whether arising by implication or by operation of law) with re- spect to the products, including, without limitation, any warranties or representations as to merchantability, fitness for particular purpose, infringement of any patent, copyright, or other intellectual property right, or any other matter. this warranty does not extend to products subjected to misuse, accident, or improper application, maintenance, or storage. vico r shall not be liable for collateral or consequential damage. vicor disclaims any and all liability arising out of the application or use of any pro duct or circuit and assumes no liability for applications assistance or buyer product design. buyers are responsible for their products and applications us ing vicor products and components. prior to using or distributing any products that include vicor components, buyers should provide adequate design, testing and operat- ing safeguards. vicor will repair or replace defective products in accordance with its own best judgment. for service under this warranty, the buyer must contact vicor to obtain a return material authorization (rma) number and shipping instructions. products returned without prior author ization will be re- turned to the buyer. the buyer will pay all charges incurred in returning the product to the factory. vicor will pay all resh ipment charges if the prod- uct was defective within the terms of this warranty. life support policy vicor?s products are not authorized for use as critical components in life support devices or systems without the express prior written approval of the chief executive officer and general counsel of vicor corporation. as used herein, life support d e- vices or systems are devices which (a) are intended for surgical implant into the body, or (b) support or sustain life and whos e failure to perform when properly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in a s ignificant injury to the user. a critical component is any component in a life support device or system whose failure to perform can be reasonably expec ted to cause the failure of the life support device or system or to affect its safety or effectiveness. per vicor terms and conditions of sale, the user of vicor products and components in life support applications assumes all risks of such use and indemnifies vicor against all liability and damag es. intellectual property notice vicor and its subsidiaries own intellectual property (including issued u.s. and foreign patents and pending patent applications ) relating to the prod- ucts described in this data sheet. no license, whether express, implied, or arising by estoppel or otherwise, to any intellect ual property rights is granted by this document. interested parties should contact vicor's intellectual property department. the products described on this data sheet are protected by the following u.s. patents numbers: 5,945,130; 6,403,009; 6,710,257; 6,911,848; 6,930,893; 6,934,166; 6,940,013; 6,969,909; 7,038,917; 7,166,898; 7,187,263; 7,361,844; d496,906; d505,114; d506,438; d509,472; and for use under 6,975,098 and 6,984,965 vicor corporation 25 frontage road andover, ma, usa 01810 tel: 800-735-6200 fax: 978-475-6715 email customer service: custserv@vicorpower.com technical support: apps@vicorpower.com ibc module rev 1.0 vicorpower.com page 16 of 16 03/2015 800 927.9474 ib0xxe120t32xx-xx

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