vicor corp. tel: 800-735-6200, 978-470-2900 fax: 978-475-6715 ham, high-boost harmonic attenuation module rev. 2.5 page 1 of 10 set your site on vicor at vicorpower.com data sheet VI-HAM tm , ve-ham tm high-boost harmonic attenuation module features ? 675 watts output power ? unity power factor ? 85 ? 264 vac universal input ? meets en61000-3-2 ? short circuit protection ? input surge limiting ? high efficiency ? rohs compliant ? for use with vicor?s v375, vi-26x and vi-j6x dc-dc converters product overview the high-boost ham (harmonic attenuator module) is a universal ac input, pfc front-end module that has been optimized for use with vicor?s v375 series of dc-dc converters. a single high-boost ham may be used with any combination of v375 series dc-dc converters which are available in micro, mini and maxi packages with up to 600 watts of output power. versions without internal diode bridges (hamd and bamd) can be operated in parallel to provide power expansion capability. the combination of the high-boost ham with v375 dc-dc converters results in a power conversion system with twice the power density, fewer components and lower cost compared to previous ham-based solutions. in addition, the high-boost ham is fully compatible with vicor?s vi-26x and vi-j6x series dc-dc converters. this gives designers the freedom to choose from the industry?s broadest selection of dc-dc converters with outputs from 2 to 95 vdc, 50 ? 600 watts. the user need only provide external hold-up capacitors, a few discrete components, and a line filter (available from vicor). 4.6 x 2.4 x 0.5 in (116,8 x 61,0 x 12,7 mm) parameter rating unit notes l to n voltage 265 vac continuous 280 vac 100 ms mounting torque 5 (0.57) in - lbs (n-m) # 6-32 or m3.5 pin soldering temperature 750 f (400) (c) operating temperature ?55 to +85 c m-grade storage temperature ?65 to +100 c m-grade auxiliary output 3 ma product type ham = harmonic attenuator module ham d = harmonic attenuator module driver b am d = harmonic attenuator module booster (hamd and bamd can be used in parallel or in arrays for applications that require more power than that available from a single ham) output l = 675 w product grade temperatures (c) grade operating storage e = ?10 to +85 ? 40 to +100 c = ? 25 to +85 ? 40 to +100 i = ? 40 to +85 ? 55 to +100 m = ? 55 to +85 ? 65 to +100 absolute maximum ratings part numbering vi - ham - c l rohs designator vi = non rohs compliant ve = rohs compliant for application information please see the design guide at www.vicorpower.com/mmmguide .
vicor corp. tel: 800-735-6200, 978-470-2900 fax: 978-475-6715 ham, high-boost harmonic attenuation module rev. 2.5 page 2 of 10 set your site on vicor at vicorpower.com parameter min typ max unit notes operating input voltage 85 264 vac rectified ac for hamd, bamd ham, hamd, bamd ac line frequency 47 63 hz unit will operate at 400 hz but may not meet pf or thd specs power factor 0.99 115 / 230 vac, 50 ? 100% load total harmonic distortion 7.5 % 115 vac, sinusoidal input, full load (line current) 8.5 % 230 vac, sinusoidal input, full load inrush current 20 amps 230 vac, full load 13 amps 115 vac, full load cm filter inductance 3 6 mh external to ham module (see fig. 10) dm filter inductance 0.2 0.35 0.75 mh external to ham module (see fig. 10) output specifications electrical characteristics apply over the specified operating voltage range, output load and baseplate temperature, unless othe rwise specified. all temperatures refer to the operating temperature of the baseplate. specifications apply for ac mains having no mo re than 5% total harmonic distortion. parameter min typ max unit notes maximum output power 675 watts see power derating graph, fig.3 output voltage 278 280 282 vdc 115 vac in 360 365 370 vdc 230 vac in (see fig. 3) efficiency 90 91 % 115 vac, sinusoidal input, full load 93 94 % 230 vac, sinusoidal input, full load external hold up capacitance 500 3,000 f 300 w, 500 f minimum, external to ham per ham 675 w, 1,000 f minimum, external to ham ride through / hold up time 16 ms 675 w output with 1,000 f hold up capacitor, external to ham ripple 7 10 vp-p 115 vac, full load, 1,000 f hold up capacitor , external to ham 5 6 vp-p 230 vac, full load, 1,000 f hold up capacitor , external to ham short circuit shut down current 100 ma foldback current limiting parameter min typ max unit notes power ok threshold 270 vdc module enable / disable 240 250 260 vdc threshold auxiliary output 19 23 vdc 3 ma 3 ma do not overload or add external capacitance parameter standard notes transient / surge immunity en61000-4-5 1 kv l-n, 2 kv l-pe, 30205 filter and 30076 mov line disturbance / immunity en61000-4-11 main?s interruption or brown out flicker / inrush en61000-3-3 20 a peak inrush at 230 vac input harmonic current en61000-3-2 7.5% thd input specifications (ham-xl, hamd-xl, bamd-xl) control specifications electromagnetic compatibility electrical characteristics includes external rectifier loss for hamd and bamd
vicor corp. tel: 800-735-6200, 978-470-2900 fax: 978-475-6715 ham, high-boost harmonic attenuation module rev. 2.5 page 3 of 10 set your site on vicor at vicorpower.com parameter min typ max unit notes size 4.6 x 2.4 x 0.5 in (116,8 x 61,0 x 12,7) (mm) weight 6.4 (180) oz (g) pin material solder plate over copper alloy cover material ge ultem 2100 black #7310 ul94-vo rated thermal shut down 90 100 c baseplate temperature mtbf ham 420,000 hrs gb, 25c hamd 424,000 hrs gb, 25c bamd 818,000 hrs gb, 25c parameter min typ max unit notes isolation (in to out) none isolation provided by dc-dc converters dielectric withstand 2,121 vdc baseplate earthed (i/o to baseplate) capacitance 150 pf input to baseplate safety standards markings notes ul60950-1, en60950-1, csa 60950-1 ctvus, curus ce marked low voltage directive general specifications agency approvals safety specifications electrical characteristics (cont.)
vicor corp. tel: 800-735-6200, 978-470-2900 fax: 978-475-6715 ham, high-boost harmonic attenuation module rev. 2.5 page 4 of 10 set your site on vicor at vicorpower.com the ham (figure 1) consists of a full-wave rectifier, a high-frequency zero-current switching (zcs) boost converter, active inrush current limiting, short-circuit protection, control and housekeeping circuitry. the incoming ac line is rectified and fed to the boost converter. the control circuitry varies the operating frequency of the boost converter to maintain the output voltage of the ham above the peak of the incoming line, while forcing the input current to follow the waveshape and phase of the line voltage. the ac input current follows the voltage waveform and a power factor better than 0.99 is achieved. operating efficiency of the boost converter is optimized at any incoming line voltage by an adaptive output voltage (figure 3) control scheme. the output voltage of the ham is a function of incoming ac line voltage (figure 3). on a nominal 115 vac line, the output voltage of the ham is 280 vdc ? well within the input operating voltage range of vicor v375 dc-dc converters. above 180 vac input, the output voltage linearly increases with input voltage. at 230 vac the delivered voltage will be approximately 365 vdc. for any given input line voltage, the ham maintains enough headroom between the output voltage and peak input voltage to ensure high quality active power factor correction without sacrificing operating efficiency. note: non-i s ol a ted o u tp u t g a te in g a te o u t zc s boo s t converter inr us h & s hort circ u it protection high fre qu ency control volt a ge w a veform c u rrent s en s e ac line control & ho us e- keeping circ u itry o u tp u t volt a ge mod u le en ab le power ok dc o u t recti- fier a u x. su pply + ? note: no inp u t to o u tp u t i s ol a tion. input voltage v rms rated output power output voltage output power (w) output voltage (vdc) 400 450 500 550 600 650 700 85 250 300 350 400 375 425 325 275 95 105 115 125 135 145 155 165 175 185 195 205 215 225 235 245 255 265 derate output power 11 w/v for vin <110 vac 110 figure 1 ham block diagram figure 2 input voltage and current wave forms, with and without power factor correction without pfc with pfc figure 3 output voltage and power rating versus input voltage technical description
vicor corp. tel: 800-735-6200, 978-470-2900 fax: 978-475-6715 ham, high-boost harmonic attenuation module rev. 2.5 page 5 of 10 set your site on vicor at vicorpower.com +in pc pr -in l2/n gate out gate in l1 ? out e/o + out a/ s p/ok VI-HAM-xl -in y- c a p a citor y- c a p a citor f2 +in l1 gnd l2/n l1 load l2/n vicor line filter p/n 3 0205 6. 3 a line f1 g ate in g ate out hold up box (hub) r1 r2 c 3 d 3 d5 d1 d4 c2 c5 c6 c7 c 8 c1 r 3 * c4 d2 f 3 v375 dc-dc converters vi-26x or vi-j6x dc-dc converters component description vicor designation part number c1 0.1 f cer a mic, 50 v c2, c 3 0.01 f cer a mic, 50 v c4 hold u p c a p a citor, av a il ab le as a hub 500 to 3 ,000 f from vicor ( s ee a djoining t ab le) r1 50 k r2 250 , 0 .25 w r 3 * 100 k , 2 w d1 1n4691 zener, 6.2 v d2, d 3 1n4006 diode, 8 00 v 00670 d4, d5 1n5 8 17 s chottky diode, 20v 2610 8 v1 275 v mov 3 0076 c5?c 8 4,700 pf y2 c a p. 01000 f1, f2 u s e recommended f us ing for s pecific dc-dc converter s f 3 10 a, 250 v v1 f f f * a 100 k, 2 watt resistor is used for every 1,000 f of hold-up capacitance. l1 and l2/n (ham) an appropriate line filter is required to limit conducted emissions and ensure reliable operation of the ham, see page 8. connect single phase ac mains to the input of the line filter via a 10 a, 250 v fuse. connect the output of the filter to l1 and l2/n of the ham. do not put an x-capacitor across the input of the ham or use a line filter with an x-capacitor on its output as power factor correction may be impacted. +in, Cin (hamd, bamd) these pins are connected to the output of the external bridge rectifier in hamd / bamd configurations (figure 5). gate in (ham) the user should not make any connection to this pin. gate in (hamd) this pin provides line voltage envelope and phase information for power factor correction. this connection must be made through the synchronization diodes between the line filter and bridge rectifier (figure 5). gate in (bamd) the gate in pin is an interface pin to the gate out pin of a hamd or bamd depending on configuration. the user should not make any other connection to this pin. gate out the gate out pin is a synchronization pin for hamd/bamd arrays; the user should not make any other connection to this pin. +out and -out connect the +out of the ham to the +in of the respective vicor dc-dc converters with the recommended fuse. connect the -out of the ham to the -in of the converters. in addition, an external hold-up capacitor of 1,000 f with a minimum voltage rating of 450 vdc, is required (across the output of the ham) for 16 ms ride through time at full power (500 f for half power, etc). this capacitor must be in close proximity to the ham. do not exceed 3,000 f of total output capacitance. lower values of capacitance may be used for reduced hold up requirements, but not less than 500 f. lower capacitance values may degrade power factor specifications. figure 4 connection diagram ham / dc-dc converters pin function / description
vicor corp. tel: 800-735-6200, 978-470-2900 fax: 978-475-6715 ham, high-boost harmonic attenuation module rev. 2.5 page 6 of 10 set your site on vicor at vicorpower.com a/s the ham provides a low voltage non isolated output auxiliary supply (a/s) that may be used to power primary side control and monitoring circuitry. this output is 19 ? 23 vdc, referenced to -out, at 3 ma max. do not overload or short this output as the ham will fail. a typical use for a/s is to power an optical coupler that isolates the power ok signal (figure 6). e/o the enable output (e/o) is used to inhibit the dc-dc converters at start up until the hold up capacitors are charged, at which time enable is asserted high (open state, figure 8). if the ac line fails, e/o goes low when the dc output of the ham drops below 250 vdc. e/o must be connected to the gate input of all vi-26x and vi-j6x drivers and / or the pc pin of the v375 dc-dc converters (figure 4); failure to do so may cause the converters to toggle on and off. if an external load is connected directly to the output of the ham, do not apply the load until the output hold up capacitor(s) are fully charged. in applications using vi-26x drivers and vi-26x boosters, the e/o pin should be connected to the gate in pin of the driver module only, it is not necessary to connect this pin to boosters as they are controlled by their respective driver. the e/o pin ancillary circuitry illustrated in figures 4 and 5 provides transient immunity. the illustrated circuitry is the minimum required, see figures 4 and 5. component description vicor designation part number c1 0.1 f cer a mic, 50 v c2, c 3 0.01 f cer a mic, 50 v c4 hold u p c a p a citor, av a il ab le as a hub 1000 to 6000 f from vicor ( s ee a djoining t ab le) c5?c 8 4,700 pf y2 c a p. 01000 c9,c10 0.2 f, 500 v film or cer a mic d1 1n4691 zener, 6.2 v d2, d 3 1n4006 diode, 8 00 v 00670 d4, d5 1n5 8 17 s chottky diode, 20 v 2610 8 f1, f2 u s e recommended f us ing for s pecific dc-dc converter s f 3 20 a, 250 v r1 50 k r2, r 3 250 , 0 .25 w r4** 100 k , 2 w v1 275 v mov 3 0076 z1, z2 1 3 0 v tr a n s or b 1.5ke1 3 0ca z 3 150 v tr a n s or b 1.5ke150ca +in v 3 75 dc-dc converter s pc pr -in -in f2 +in f1 pc pr r1 r2 r 3 c 3 d 3 d5 d1 d2 d4 c2 c4 c5 c6 c7 c 8 jmk filter p/n 1 3 19-1 3 12.6 a * +in gate in gate out -in +out -out p/ok e/o a/ s VI-HAMd-xl gate in gate out -in +in +out -out vi-bamd-xl inp u t bridge rectifier vicor p/n 3 0660 l1 gnd l2/n l1 l2/n 1n4006 1n4006 f 3 r4 ** c1 v1 c9 c10 * con su lt vicor' s applic a tion s engineering for s pecific hamd / bamd filtering inform a tion. ** a 100 k , 2 w re s i s tor i s us ed for every 1,000 f of hold u p c a p a cit a nce. hold up box (hub) z1 z2 z 3 10 a 10 a 2000 f hub1000-p 1 3 50 w figure 5 connection diagram, hamd / bamd / v375 dc-dc converters hamd-cl driver ham: no internal bridge rectifier or synchronization diodes. bamd-cl booster ham: companion module to hamd-cm used for additional output power. no internal bridge rectifier. ot p/ok ot e/o a/ s 1 8 k , 1/4 w "power ok" s t a t us low = ok a/ s e/o p/ok +out ?out i a s 3 ma 19 ? 2 3 v + ? do not overload or directly connect a c a p a citor to the a/ s termin a l. figure 6 auxiliary supply (a/s) pin function / description (cont.)
vicor corp. tel: 800-735-6200, 978-470-2900 fax: 978-475-6715 ham, high-boost harmonic attenuation module rev. 2.5 page 7 of 10 set your site on vicor at vicorpower.com outputs dc-dc converter(s) rectified line enable output (e/o) dc output of ham power ok (p/ok) ac mains 120 vrms boost voltage 250 vdc 280 vdc off at 250 vdc off at 270 vdc 270 vdc 25 ms 10 ms off below 250 vdc figure 9 start up / shut down timing diagram figure 7 power ok (p/ok) logic p/ok ?out +out e/o s g d a/ s logic e/o ?out +out p/ok a/ s s g d figure 8 enable / output (e/o) p/ok power ok is a monitor signal that indicates the status of the ac mains and the dc output voltage of the ham. p/ok is asserted (active low) when the output bus voltage is within normal op erating range (> 270 vdc) and 20 ? 25 ms after dc-dc converters are enabled by the e/o signal of the ham. this provides sufficient time for the converters to turn on and their output(s) to stabilize prior to p/ok being asserted, (figure 9). for momentary interruptions of ac power, the ham will provide at least 16 ms of ride through or hold up time (with 1,000 f output capacitor). on loss of power or brownout, (when the ham output voltage drops below 270 vdc) the p/ok signal will go to an open circuit state (figure 7), signaling an impending loss of input power to the converter modules. p/ok will provide power fail warning at least 1 ms prior to converter shut down. when the ham output voltage drops below 250 vdc the converters are disabled via enable output (e/o). pin function / description (cont.)
vicor corp. tel: 800-735-6200, 978-470-2900 fax: 978-475-6715 ham, high-boost harmonic attenuation module rev. 2.5 page 8 of 10 set your site on vicor at vicorpower.com line filter for high boost ham a line filter is required to provide attenuation of conducted emissions generated by the ham module and to protect it from line transients. it also presents a well defined high frequency ac line impedance to the input of the ham. to meet the listed specifications, vicor?s p/n 30205 line filter/transient suppressor or equivalent must be used, see figure 10. the addition of a mov external to this filter is required to meet normal mode transient surge requirements. for applications using hamd + bamd or where the user desires to construct a custom ham filter, the filter should be designed following figure 10, the schematic of vicor?s p/n 30205 filter. the current carrying capability of the inductors must be scaled proportionally to the number of ham modules used. inductance values must be selected according to table 1. these limits are to ensure proper operation of the ham and do not guarantee a system will meet conducted emissions specifications. for applications requiring magnetic field shielding, do not place a ferrous emi shield over the plastic cover of the ham module. this can cause thermal problems due to induction heating effects. face may be bowed 0.04 max 4-40 in s ert 0.25 dp 4 pl ?0.0 8 0 pin 6 place s load line 0.900 0.100 1.200 0.500 0.500 4.60 0.02 0.060 1.00 max 0.1 3 0.02 1.45 0.02 2. 8 00 2.50 2.00 0. 3 0 0 .02 1. 8 00 2.40 0.02 figure 11 ham filter #30205 mechanical diagram 90 80 70 60 50 40 operating temp (deg c) current (amps) rated current vs ambient temperature 1.0 2.0 3.0 4.0 5.0 6.0 7.0 figure 12 ham filter #30205 current rating vs. temperature 0 0 70 0 50 0 30 20 0 0 dm cm 0.0 0.0 0. 0. 0 0 00 0.02 0.07 0.2 0.7 2 7 20 70 freenc (meahert) insertion loss (db) figure 13 ham filter #30205 insertion loss vs. frequency line load r c x ld lc c y c y d d2 d3 ham filter p/n 30205 r 235 k d1,2 = 1.5ke130ca d3 = 1.5ke150ca mov * p/n 30076 c x = 1.5 uf(x2)sh c y = 0.01 uf, y2 type lc = 6.9 mh ld = 0.72 mh *mov required external to filter to meet normal mode transient surge requirements figure 10 required ham filter, vicor part # 30205 parameter min typ max unit differential mode 0.2 0.35 0.75 mh inductance (ld) common mode 36 mh inductance (lc) table 1 ham filter inductance range pin function / description (cont.)
vicor corp. tel: 800-735-6200, 978-470-2900 fax: 978-475-6715 ham, high-boost harmonic attenuation module rev. 2.5 page 9 of 10 set your site on vicor at vicorpower.com safety notes each ham, hamd or bamd module must be preceded by a safety agency recognized fast-blow 10a 3ag fuse. the ham is not isolated from the line C either input or output; a line isolation transformer must be used when making scope measurements. hams do not provide input to output isolation. differential probes should be used when probing the input and output simultaneously to avoid destructive ground loops. protective features over temperature shut down the ham is designed to shut down when the temperature of the baseplate exceeds 90c. do not operate the ham above its maximum operating temperature of 85c. short circuit protection the ham contains output short circuit protection. operation of this function does not clear the input fuse and the output will resume normal operation after removal of the fault. a short period of time may be required to allow for cooling of an internal temperature sensor. output over voltage protection the ham contains output over voltage protection. in the event the output voltage exceeds approximately 420 vdc, the boost will decrease to maintain 420 vdc on the output. when the peak of the ac line exceeds 420 v (approximately 293 vac) the boost will have been reduced to zero and the e/o line will be pulled low shutting down the converters. beyond this the protection circuit will be enabled and the output voltage will decrease. table 2 ham filter part #30205 specifications parameter min typ max unit operating voltage 85 250 vac operating temperature (see fig.12) ?20 40 c leakage current at 264 vac, 63 hz 1.2 ma (either line to earth) operating current 6.3 a dielectric withstand (line ? case) 1500 vac residual voltage after 1 sec. 34 v operating frequency 50 60 hz agency approvals ul, csa, tv prod u ct id thi s su rf a ce full r 5 6 7 8 9 4 3 2 1 0.040 (1,0) di a (7) pl a ce s 0.0 8 0 (2,0) di a . 0. 3 0 .015 (7,6) (0, 38 ) 1. 8 0 (45,7) (116, 8 ) 0.15 ( 3 , 8 ) 2.10 (5 3 , 3 ) 0.40 (10,2) . 3 5 .015 ( 8 ,9) (0, 38 ) 1.40 ( 3 5,6) 1.00 (25,4) 0.70 (17, 8 ) 3 .60 0.50 (12,7) pin # 1 2 3 4 5 6 7 8 9 ham l1 gate in gate out l2/n +out p/ok e/o a/ s ?out hamd +in gate in gate out ?in +out p/ok e/o a/ s ?out bamd +in gate in gate out ?in +out n/c n/c a/ s ?out (2) pl a ce s ham 4.60 (91,4) 0.15 ( 3 , 8 ) +.0 3 0 (0,76) -.000 (0) .01 (12,7) (5,0 8 ) min (106,7) 0.20 ( 3 ,0) 0.12 4.20 0.50 (7, 3 6) max 0.29 (7,6) min al u min u m b as e (61,0) (44,5) 0. 3 0 2.40 1.75 figure 14 C ham / hamd / bamd module outline note: mounting a high boost ham and maxi, mini or micro dc-dc converter to the same heat sink will require the use of custom length s tandoffs or a step in the heat sink mounting surface. this is due to a mechanical stack up difference between the ham and maxi, mini, and m icro converters that leads to incompatible baseplate height above the pcb. pin function / description (cont.) mechanical drawing
vicor corp. tel: 800-735-6200, 978-470-2900 fax: 978-475-6715 ham, high-boost harmonic attenuation module rev. 2.5 6/10 set your site on vicor at vicorpower.com 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 vicors 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 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. intellectual property notice vicor and its subsidiaries own intellectual property (including issued u.s. and foreign patents and pending patent applications) relating to the products described in this data sheet. interested parties should contact vicor's intellectual property department. warranty vicor products are guaranteed for two years from date of shipment against defects in material or workmanship when in normal use and service. this warranty does not extend to products subjected to misuse, accident, or improper application or maintenance. vicor shall not be liable for collateral or consequential damage. this warranty is extended to the original purchaser only. except for the foregoing express warranty, vicor makes no warranty, express or implied, including, but not limited to, the warranty of merchantability or fitness for a particular purpose. vicor will repair or replace defective products in accordance with its own best judgement. 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 authorization will be returned to the buyer. the buyer will pay all charges incurred in returning the product to the factory. vicor will pay all reshipment charges if the product was defective within the terms of this warranty. information published by vicor has been carefully checked and is believed to be accurate; however, no responsibility is assumed for inaccuracies. vicor reserves the right to make changes to any products without further notice to improve reliabilit y, function, or design. vicor does not assume any liability arising out of the application or use of any product or circuit; neith er does it convey any license under its patent rights nor the rights of others. vicor general policy does not recommend the use of its components in life support applications wherein a failure or malfunction may directly threaten life or injury. per vicor te rms and conditions of sale, the user of vicor components in life support applications assumes all risks of such use and indemnifies vicor against all damages.
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