vi chip ? bcm ? bus converter family overview n high power density: up to 1,880 w/in 3 in a 2.2 in 2 footprint n output power 6123: up to 1.2 kw full, half: up to 325 w n high effciency 6123: 97.9% full, half: 96% n isolation up to 4242 vdc n fast response time n low noise n protection features: undervoltage and overvoltage lockout, overcurrent protection, short circuit protection, over temperature protection s nr tl cu s c us ? description vi chip bus converter modules (bcms) provide an isolated unregulated bus voltage to power point-of-load (pol) converters. the bcms provide a fxed ratio conversion from either a high input voltage (ranging from 230 C 410 v depending on the model) or a 48 v (38 C 55 v) input voltage to a broad range of output bus voltages. with peak effciencies of up to 97.9% and power densities of up to 1,880 w/in 3 , vi chip bcms offer the most effcient and highest density, isolated power conversion available. utilizing vicors resonant sine amplitude converter (sac) topology, bcms leverage high frequency zero-voltage switching (zvs) and zero-current switching (zcs) to deliver unmatched effciency and power density with low noise and fast transient response. in addition, the bcms low ac impedance, beyond the bandwidth of most downstream regulators, enables bulk capacitance, normally located at the input of a regulator, to be placed at the high voltage input to the bcm. this reduces the bulk capacitance requirement and offers savings of board area and system cost. offered in vi chip full and half-sized packages, as well as the new 6123 chip package, bcms deliver a range of power, size and effciency to exceed most customer needs. 6123 chip full vi chip half vi chip model input output output output package number voltage (v) voltage (v) power (w) current (a) type bcm380p475c1k2a30 260 C 410 32.5 C 51.25 1,200 25.7 6123 b384f120t30 360 C 400 11.25 C 12.5 300 25.0 full BCM352F110T300A00 330 C 365 10.3 C 11.4 300 28.0 full bcm352f125t300a00 330 C 365 11.79 C 13.04 300 26.0 full bcm352f440t330a00 330 C 365 41.25 C 45.63 325 7.7 full bcm384f480t325a00 360 C 400 45.0 C 50.0 325 7.0 full mbcm270f338m235a00 240 C 330 30.0 C 41.25 235 7.3 full mbcm270f450m270a00 230 C 330 38.3 C 55.0 270 6.25 full b048f015t14 38 C 55 1.19 C 1.71 135 90 full b048f030t21 38 C 55 2.38 C 3.43 210 70 full b048f040t20 38 C 55 3.17 C 4.58 200 50 full b048f060t24 38 C 55 4.75 C 6.87 240 40 full b048f080t24 38 C 55 6.33 C 9.16 240 30 full b048f096t24 38 C 55 7.60 C 11.0 240 25 full b048f120t30 38 C 55 9.50 C 13.8 300 25 full b048f160t24 38 C 55 12.7 C 18.3 240 15 full b048f240t30 38 C 53 19.0 C 26.5 300 12 full b048f320t30 38 C 55 25.3 C 36.7 300 9 full b048f480t30 38 C 55 38.0 C 55.0 300 6 full bcm48bh120t120a00 38 C 55 9.5 C 13.75 120 11.3 half thermally enhanced packaging technologies available at vicorpower.com vicorpower.com ? 800 927.9474 rev 1.0 12/2013
11.40 [.449] 22.80.13 [.898.005] 31.67 [1.247] 63.34.38 [2.494.015] 0 0 0 0 11.43 [.450] 1.52 [.060] (4) pl. .41 .016 (9) pl. 4.17 [.164] (9) pl. 7.26.05 [.286.002] .05 [.002] 32.5 [1.28] 16.3 [.64] 22.0 [.87] 11.0 [.43] 6.73.25 [.265.010] 16.5 [.65] 8.3 [.32] 22.0 [.87] 11.0 [.43] 6.73.25 [.265.010] 380 vdc hv bcm 20 ? 55 v lo ad prm 48 v 380 vdc hv bcm prm vtm lo ad 48 v 0.7 ? 55 v pol lo ad 26 ? 55 v outline drawings typical applications 6123 chip full vi chip half vi chip vicorpower.com ? 800 927.9474 rev 1.0 12/2013
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