intermediate bus converter 48vin, 9.6vout @ 25a 1150 eglington avenue east 4607 s.e. international way toronto, ontario m3c 1h7 milwaukie, oregon 97222 1-866-740-1232 www.celesticapower.com 1-971-206-2800 qus25-096_084-20864-00_revc_jul13-2004.fm 1 of 8 innovative solutions you can count on celestica power systems features ? 48vin, isolated, 5:1 fixed conversion ratio (9.6v nominal out) 220watt max output @ 36v, 55c 300watt max output @ 55v, 55c parallel for higher output power 10% current share accuracy over-temperature protection 96.7% max efficiency remote enable (primary side) positive or negative enable logic current limit industry standard ? brick outline table 1: input characteristics notes and conditions (1) min typ max units input voltage operating range 36 48 55 vdc input voltage absolute maximum 60 vdc input undervoltage lockout turn-on threshold 36 37.6 vdc turn-off threshold 34.5 35.5 vdc maximum input current steady-state (36vin, 32aout) 6.4 a no-load input current enable state, on load (48vin) 80 ma disabled input current disabled state 17 ma input reflected ripple current (2) 50 marms inrush current transient 0.2 a 2 s enable - negative logic version internal 10k pull-up to 6.2v on state range -0.6 0.7 vdc off state range 0.8 6.2 vdc enable - positive logic version internal 100k pull-down to gnd on state range 0.8 6.2 vdc off state range -0.6 0.7 vdc table 2: output characteristics notes and conditions (1) min typ max units output voltage set point (vin/5) + 1%/-1% 9.6 vdc output load regulation (vin/5) + 1%/-5% -5 -3 1 % output voltage total regulation 6.8 11.1 vdc output ripple voltage & noise (3) vin = 48v, iout = 25a (20mhz bandwidth) 60 150 mvp-p output current operating range (4) vin = 48.0v 0 28 a efficiency io = 25a, vin = 48v (see curves) 96.6 % turn-on time vin present: enable to 90% vout 10 ms
intermediate bus converter 48vin, 9.6vout @ 25a 1150 eglington avenue east 4607 s.e. international way toronto, ontario m3c 1h7 milwaukie, oregon 97222 1-866-740-1232 www.celesticapower.com 1-971-206-2800 qus25-096_084-20864-00_revc_jul13-2004.fm 2 of 8 innovative solutions you can count on celestica power systems notes: 1. vin = 48vdc, ta = 20c, airflow = 200lfm unless otherwise noted. 2. input reflected ripple voltage is specified when measured with 120f 63v electrolytic capacitor across the input pins. 3. output ripple voltage is specified when measured with a 270f electrolytic and a 10f ceramic capacitor at the converter output pins. 4. de-rating curves are conducted in a controlled environment. end application testing is required to ensure the hot spot temperature is below the maximum specified. recommended airflow direction is input to output or cross- wise. for output to input airflow subtract 3a from derating curves. 5. transient response is specified with a 270f electrolytic and a 10f ceramic capacitor at the converter output pins. transient response (5) 25% step, 1a/s, ? vo -3 3 % recovery time 100 s maximum output capacitance 3000 f table 3: protection characteristics notes and conditions (1) min typ max units output overcurrent inception limit 36 40 50 a output overcurrent shutdown (latching after second re-try) restart rate 1700 ms short circuit current peak 42 apk overtemperature shutdown non-latching 100 c overtemperature restart hysteresis 10 c table 4: general characteristics notes and conditions (1) min typ max units isolation voltage input to output 2000 vdc isolation resistance input to output 10 mohm storage temperature range non-condensing -40 125 c operating temperature range -40 85 c agency approvals ul 60950-1, iec 60950-1, tuv 60950-1 material flammability ul 94v-0 mtbf calculated (rac prism) 40c 3.02 x10 6 hrs demonstrated 3.0 x10 6 hrs dimensions 2.30?l x 1.45?w x 0.45?h weight 40 g table 2: output characteristics notes and conditions (1) min typ max units
intermediate bus converter 48vin, 9.6vout @ 25a 1150 eglington avenue east 4607 s.e. international way toronto, ontario m3c 1h7 milwaukie, oregon 97222 1-866-740-1232 www.celesticapower.com 1-971-206-2800 qus25-096_084-20864-00_revc_jul13-2004.fm 3 of 8 innovative solutions you can count on celestica power systems mechanical information figure 1 pin assignment table 5: pin # pin name function notes/comments 1 vin+ vin 36 to 55vdc 2 on/off referenced to vin-, internal pull-up, low for on state 3 vin- primary return 4 vout- secondary return 5 vout+ output, 9.6v nominal, 25amp nominal
intermediate bus converter 48vin, 9.6vout @ 25a 1150 eglington avenue east 4607 s.e. international way toronto, ontario m3c 1h7 milwaukie, oregon 97222 1-866-740-1232 www.celesticapower.com 1-971-206-2800 qus25-096_084-20864-00_revc_jul13-2004.fm 4 of 8 innovative solutions you can count on celestica power systems efficiency curves figure 2 output voltage vs. current figure 3 efficiency vs iout 88.00 90.00 92.00 94.00 96.00 98.00 0 4 8 12162024283236 i out(a) eff% vin = 36v vin = 42v vin = 48v vin - 55v vout vs iout 4 5 6 7 8 9 10 11 12 0 2 4 6 8 1012141618202224262830323436 i out(a) vout 36v 42v 48v 55v
intermediate bus converter 48vin, 9.6vout @ 25a 1150 eglington avenue east 4607 s.e. international way toronto, ontario m3c 1h7 milwaukie, oregon 97222 1-866-740-1232 www.celesticapower.com 1-971-206-2800 qus25-096_084-20864-00_revc_jul13-2004.fm 5 of 8 innovative solutions you can count on celestica power systems derating curves - horizontal mount figure 4 vin = 36v 20 25 30 35 40 20 40 60 80 ambient temp (c) load current (a) 200lfm 300lfm 400lfm vin = 42v 15 20 25 30 35 40 20 40 60 80 ambient temp (c) load current (a) 200lfm 300lfm 400lfm vin = 48v 15 20 25 30 35 40 20 40 60 80 ambient temp (c) load current (a) 200lfm 300lfm 400lfm vin = 55v 15 20 25 30 35 40 20 30 40 50 60 70 80 ambient temp (c) load current (a) 200lfm 300lfm 400lfm power curves at 200lfm 150 200 250 300 350 20 30 40 50 60 70 80 ambient temp (c) output power (w) vin = 36v vin = 42v vin = 48v vin = 55v
intermediate bus converter 48vin, 9.6vout @ 25a 1150 eglington avenue east 4607 s.e. international way toronto, ontario m3c 1h7 milwaukie, oregon 97222 1-866-740-1232 www.celesticapower.com 1-971-206-2800 qus25-096_084-20864-00_revc_jul13-2004.fm 6 of 8 innovative solutions you can count on celestica power systems thermal performance - horizontal mount figure 5 turn on (enable) figure 6 54.6c 97.7c 60 70 80 90 70.6c 96.5c 75 80 85 90 95 waveform: 0a load waveform: 25a load ch1 = vout ch2 = enable on ch1 = vout ch2 = enable on
intermediate bus converter 48vin, 9.6vout @ 25a 1150 eglington avenue east 4607 s.e. international way toronto, ontario m3c 1h7 milwaukie, oregon 97222 1-866-740-1232 www.celesticapower.com 1-971-206-2800 qus25-096_084-20864-00_revc_jul13-2004.fm 7 of 8 innovative solutions you can count on celestica power systems load transient figure 7 output ripple/noise figure 8 ch1 = vout c h2 = load current stepped from 14 - 21a, 5a/di v waveform vin = 48v, load = 25a ripple/ch1 = vout input reflected ripple figure 9 vin = 48v, load = 25a ch2 = input current ripple: 20ma/div
intermediate bus converter 48vin, 9.6vout @ 25a 1150 eglington avenue east 4607 s.e. international way toronto, ontario m3c 1h7 milwaukie, oregon 97222 1-866-740-1232 www.celesticapower.com 1-971-206-2800 qus25-096_084-20864-00_revc_jul13-2004.fm 8 of 8 innovative solutions you can count on celestica power systems ordering information standard part: qus25-096-nhbr QUS25-096-NHDR quarter brick outline unregulated single output output current (25a) output voltage (9.6v) reserved pin length (l) b = .145? enabled logic polarity p = positive orientation h = horizontal n = negative d = .180?
|
