email: sales@murata-ps.com eus34-096 isolated bus converter 25 jun 2010 mdc_eus34-96.b02 page 1 of 3 www.murata-ps.com for full details go to www.murata-ps.com/rohs $ www.murata-ps.com features rohs compliant 48 v in , isolated, 5:1 ? xed conversion ratio 240w output at 38 v in , 55oc, 200 lfm 300w output at 48 v in , 55oc, 200 lfm industry standard 1/8 brick footprint remote enable (primary side, positive or negative) over-temperature, over current protections direct parallel operation for higher power description the eus34-096 is a rohs compliant ? xed 5:1 ratio converter in an industry standard eighth brick footprint. the output is unregulated and the 5:1 ? xed ratio is maintained between the input and output voltages. it features input voltage range of 38v to 55v, and provides up to 300w @ 48vin of power. typical ef? ciency of 9.6v module is 96%. it can be parallel for more power. input characteristics parameter conditions 1 min. typ. max. units input voltage operating range 38 48 55 v dc input voltage absolute maximum 60 v dc input undervoltage lockout turn-on threshold 34 35.5 36 v dc turn-off threshold 32 33.5 34 v dc hysteresis voltage 2 v dc input overvoltage lockout (latching type) turn-off threshold 57 58.5 59.5 v dc maximum input current steady-state (34 a out) 6.7 a dc no-load input current enabled state, no load (48 v in ) 100 ma disabled input current disabled state (48 v in )7ma input re? ected ripple current measured into the input pin input capacitor 47f type nichicon upm1j470mph or equivalant 240 ma rms inrush current 51 a enable - negative logic version internal 27.4 k pulled-up to internal 5.0v on state range -0.1 0.8 v dc off state range 2.4 15.0 v dc resistance from enable pin to -v in with +v in pin open, or tired to -v in tbd k output characteristics parameter conditions 1 min. typ. max. units output voltage set point v in = 48v, i o = 0a 9.40 9.50 9.60 v dc output load regulation i o = 0 to 34a 0.4 v output voltage total regulation v in = 38 to 55v, i o = 0 to 34a, ta = 55oc 7.0 11.0 vdc output ripple & noise 2 20mhz bandwidth 50 150 mv p-p output current operating range corresponding to p o = 240w 0 34 a ef? ciency v in = 48v, p o = 240w 96 % turn-on delay from enable, <0.8v to v o > 10% for v in = 38v - 55v 0.1 10 ms output voltage rise time 3 from 10% to 90% 10 15 ms start-up inhibit time enabled: v in applied to 90% v out 150 ms transient response 3 25% step, 1a/s, v o 3 %v o current sharing accuracy at p o = 240w 3 10 % output turn on overshoot 0 3 % output turn off undershoot 0 3 % maximum output capacitance 3000 f 1 v in = 48vdc, ta = 25oc, air? ow = 200 lfm for all data unless otherwise noted. 2 output ripple voltage and noise is speci? ed when measured with a 10uf tantalum and a 1f ceramic capacitor at the output p ins. 3 during output voltage rise time (15 ms max.), output power shall be limited to 50% constant power. transient response is speci? ed with a 960f capacitor at the output of the converter.
email: sales@murata-ps.com eus34-096 isolated bus converter 25 jun 2010 mdc_eus34-96.b02 page 2 of 3 www.murata-ps.com protection characteristics parameter conditions 1 min. typ. max. units output over-current shutdown 2 auto-restart 38 40 42 a re-start rate tbd ms over temperature shutdown 3 auto-restart 135 140 oc over temperature restart hysteresis 10 oc general characteristics parameter conditions min. typ. max. units isolation voltage input to output 2250 v dc isolation resistance input to output 10 m storage temperature range non-condensing -40 125 oc operating temperature range -40 85 oc operating humidity non-condensing 10 90 % thermal measurement location temperature 3 see mechanical drawing for location 130 oc material ? ammability ul 94v-0 mtbf calculated per mil spec 217 e, or bellcore at ta=30oc 2 x10 6 hrs demonstrated 1.3 x10 6 hrs standards compliance standards conditions 4 ul/csa 60950 basic insulation manufacturing testing burn-in test parametric test safety considerations this series of converters are certified to the standards and extent listed in the standards compliance section in the table a bove. if this product is built into information technology equipment, the installation must comply with the above standard. even though the product is safety certi fied to operate without an input fuse, it is recommended that an input fuse of 12a (max.) is used. the output of the converter (vo+/vo-) is considered to remain within selv limits when the input to the converter meets selv or tnv-2 requirements. the converters and materials meet ul 94v-0 flammability ratings. rohs compliance the eus34-096 converter is in compliance with the european union directive 2002/95/ec (rohs) with respect to the following substances: lead (pb), cadmium (cd), mercury (hg), hexavalent chromium, polybrominated biphenyls (pbb) and polybrominated diphenyl ethers (pbde). for further information, please visit www.cd4power.com/rohs 1 v in = 48vdc, ta = 25oc, air? ow = 200 lfm for all data unless otherwise noted. 2 input transient: if input voltage increases by 5v in 1s, output over-current shut-down shall not be triggered (tested with max. load and max. output capacitance). 3 thermal shutdown is monitored at the thermal measurement location (tml). see mechanical information on page 3 for tml loc ation. 4 see safety considerations shown on page 4. derating curves are conducted in a controlled environment. end application testing is required to ensure the thermal measuremen t location temperature is below the maximum speci? ed. recommended air? ow direction is from pin 1 to pin 3, or 3 to 1 (transversal to the unit).
email: sales@murata-ps.com eus34-096 isolated bus converter 25 jun 2010 mdc_eus34-96.b02 page 3 of 3 murata power solutions, inc. makes no representation that the use of its products in the circuits described herein, or the use of other technical information contained herein, will not infringe upon existing or future patent rights. the descriptions contained her ein do not imply the granting of licenses to make, use, or sell equipment constructed in accordance therewith. speci? cations are subject to cha nge without notice. ? 2009 murata power solutions, inc. murata power solutions, inc. 11 cabot boulevard, mans? eld, ma 02048-1151 u.s.a. iso 9001 and 14001 registered www.murata-ps.com/locations package specifications mechanical dimensions pin connections ordering information pin assignment 1+v in 2* on/off 3-v in 4-v out 5+v out * referenced to vi (-). positive logic: floating = enabled negative logic: floating = disabled tml recommended footprint y 0.480 (12.19) (2x) ?0.062 0.002 (1.57 0.06) (3x) 2.000 (50.80) 0.300 (7.62) 0.300 (7.62) 0.300 (7.62) 0.300 (7.62) 0.90 (22.9) 0.45 (11.4) 0.14 (3.6) 2.28 (57.9) ?0.060 (1.52) ?0.105 (2.67) ?0.093 (2.36) ?0.137 (3.48) pin #1 pin #2 pin #3 pin #4 pin #5 bottom view ?0.040 0.002 (1.02 0.06) max. dimensions: 2.3 (58.4) l x 1.45 (36.83) w x 0.48 (12.19) h all dimensions in inches (mm). tolerance: x.x (x.xx) 0.5 (0.2), x.xx (x.xxx) 0.25 (0.010). max. 0.480 (12.19) between highest component and mounting plane. eus x x - y y y - n h z r v c output current output voltage h t g n e l n i p c i g o l e l b a n e 34 = 34a 096 = 9.6v n = negative logic p = positive logic a = 0.110'' b = 0.145'' c = 0.200'' reserved horizontal mount c = rohs compliant factory internal control revision (not required when ordering)
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