cdc_eus34-096.a04 page of 3 eus34-096 isolated bus converter p o w e r e l e c t r o n i c s d i v i s i o n d c / d c c o n v e r t e r s www.cd4power.com technical enquiries email: toronto@cdtechno.com, tel: (866) 740 232 features n rohs compliant n 48 v in , isolated, 5: fxed conversion ratio n 240w output at 38 v in , 55oc, 200 lfm n 300w output at 48 v in , 55oc, 200 lfm n industry standard /8 brick footprint n remote enable (primary side, positive or negative) n over-temperature, over current protections n direct parallel operation for higher power description the eus34-096 is a rohs compliant fxed 5: ratio bus converter in an industry standard eighth brick footprint to support intermediate bus architecture (iba) for powering multiple downstream non-isolated point-of-load (pol) converters. the output is unregulated and the 5: fxed 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 effciency of 9.6v module is 96%. it can be parallel for more power. input characteristics parameter conditions 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 ) 00 ma disabled input current disabled state (48 v in ) 7 ma input refected ripple current measured into the input pin input capacitor 47f type nichicon upmj470mph or equivalant 240 ma rms inrush current 5 a enable - negative logic version internal 27.4 k pulled-up to internal 5.0v on state range -0. 0.8 v dc off state range 2.4 5.0 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 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 .0 vdc output ripple & noise 2 20mhz bandwidth 50 50 mv p-p output current operating range corresponding to p o = 240w 0 34 a effciency v in = 48v, p o = 240w 96 % turn-on delay from enable, <0.8v to v o > 0% for v in = 38v - 55v 0. 0 ms output voltage rise time 3 from 0% to 90% 0 5 ms start-up inhibit time enabled: v in applied to 90% v out 50 ms transient response 3 25% step, a/s, ?v o 3 %v o current sharing accuracy at p o = 240w 3 0 % output turn on overshoot 0 3 % output turn off undershoot 0 3 % maximum output capacitance 3000 f v in = 48vdc, ta = 25oc, airfow = 200 lfm for all data unless otherwise noted. 2 output ripple voltage and noise is specifed when measured with a 0uf tantalum and a f ceramic capacitor at the output pins. 3 during output voltage rise time ( 5 ms max.), output power shall be limited to 50% constant power. transient response is specifed with a 960f capacitor at the output of the converter.
cdc_eus34-096.a04 page 2 of 3 eus34-096 isolated bus converter p o w e r e l e c t r o n i c s d i v i s i o n d c / d c c o n v e r t e r s www.cd4power.com technical enquiries email: toronto@cdtechno.com, tel: (866) 740 232 protection characteristics parameter conditions 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 35 40 oc over temperature restart hysteresis 0 oc general characteristics parameter conditions min. typ. max. units isolation voltage input to output 2250 v dc isolation resistance input to output 0 m storage temperature range non-condensing -40 25 oc operating temperature range -40 85 oc operating humidity non-condensing 0 90 % thermal measurement location temperature 3 see mechanical drawing for location 30 oc material fammability ul 94v-0 mtbf calculated per mil spec 2 7 e, or bellcore at ta=30oc 2 x0 6 hrs demonstrated .3 x0 6 hrs standards compliance standards conditions 4 ul/csa 60950 basic insulation manufacturing testing n burn-in test n parametric test safety considerations this series of converters are certified to the standards and extent listed in the standards compliance section in the table above. if this product is built into information technology equipment, the installation must comply with the above standard. even though the product is safety certified to operate without an input fuse, it is recommended that an input fuse of 2a (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 v in = 48vdc, ta = 25oc, airfow = 200 lfm for all data unless otherwise noted. 2 input transient: if input voltage increases by 5v in s, 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 location. 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 measurement location temperature is below the maximum specifed. recommended airfow direction is from pin to pin 3, or 3 to (transversal to the unit).
cdc_eus34-096.a04 page 3 of 3 eus34-096 isolated bus converter p o w e r e l e c t r o n i c s d i v i s i o n d c / d c c o n v e r t e r s www.cd4power.com technical enquiries email: toronto@cdtechno.com, tel: (866) 740 232 package specifications mechanical dimensions pin connections ordering information pin assignment +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 .45 (36.83) w x 0.48 (2.9) h all dimensions in inches (mm). tolerance: x.x (x.xx) 0.5 (0.2), x.xx (x.xxx) 0.25 (0.0 0). max. 0.480 ( 2.9) between highest component and mounting plane. 0/03/2007 ? 2006 c&d technologies, inc c&d t echnologies, in c. 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 herein do not imply the granting of licenses to make, use, or sell equipment constructed in accordance therewith. specifcations are subject to change without notice. c&d technologies, inc. cabot boulevard, mansfeld, ma 0204 8 -5 u.s.a. tel: (508) 339-3000 (800) 233-2765 fax: (508) 339-6356 www.cd4power.com email: sales@cdtechno.com iso 9001 registered ? usa: tucson (az), tel: (800) 547 2537, email: sales@cdtechno.com canada: toronto, tel: (866) 740 232 , email: toronto@cdtechno.com united kingdom: milton keynes, tel: +44 (0) 908 6 5232, email: mk@cdtechno.com france: montigny le bretonneux, tel: +33 (0) 34 60 0 0 , email: france@cdtechno.com germany: mnchen, tel: +49 (0)89-544334-0, email: ped.munich@cdtechno.com japan: tokyo, tel: 3-3779- 03 , email: sales_tokyo@cdtechno.com osaka, tel: 6-6354-2025, e mail: sales_osaka@cdtechno.com website: www.cd4power.jp china: shanghai, tel: +86 2 5 027 3678, email: shanghai@cdtechno.com guangzhou, tel: +86 208 22 8066, email: guangzhou@cdtechno.com e u s x x - y y y - n h z r v c o u t p u t c u r r e n t o u t p u t v o l t a g e h t g n e l n i p c i g o l e l b a n e 3 4 = 3 4 a 0 9 6 = 9 . 6 v n = n e g a t i v e l o g i c p = p o s i t i v e l o g i c a = 0 . 1 1 0 ' ' b = 0 . 1 4 5 ' ' c = 0 . 2 0 0 ' ' reserved h o r i z o n t a l m o u n t c = r o h s c o m p l i a n t factory internal control revision (not required when ordering)
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