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Product # PQ48033HTA38 Phone 1-888-567-9596 www.synqor.com Doc.# 005-2UT433F Rev. A 12/03/04 Page 1 T Technical echnical S Specification pecification PQ48033HT PQ48033HTA38 A38 TThhee PPQ Q4 48 80 03 33 3H HTTA A3 38 8 PPoow weerrQ Qoorr™ ™ TTeerraa hhaallff-bbrriicckk ccoonnvveerrtteerr iiss aa nneexxtt-ggeenneerraattiioonn,, bbooaarrdd-m moouunnttaabbllee,, iissoollaatteedd,, ffiixxeedd ssw wiittcchh- iinngg ffrreeqquueennccyy D DC C/ /D DC C ccoonnvveerrtteerr tthhaatt uusseess ssyynncchhrroonnoouuss rreeccttii- ffiiccaattiioonn ttoo aacchhiieevvee eexxttrreem meellyy hhiigghh ccoonnvveerrssiioonn eeffffiicciieennccyy.. TThhee ppoow weerr ddiissssiippaatteedd bbyy tthhee ccoonnvveerrtteerr iiss ssoo lloow w tthhaatt aa hheeaattssiinnkk iiss nnoott rreeqquuiirreedd,, w whhiicchh ssaavveess ccoosstt,, w weeiigghhtt,, hheeiigghhtt,, aanndd aappppllii- ccaattiioonn eeffffoorrtt.. TThhee TTeerraa sseerriieess ccoonnvveerrtteerrss ooffffeerr tthhee m maaxxiim muum m uusseeaabbllee oouuttppuutt ccuurrrreenntt ffoorr aa ssttaannddaarrdd ““hhaallff-bbrriicckk”” m moodduullee.. TThhee TTeerraa uunniittss aallssoo ffeeaattuurree aaccttiivvee ccuurrrreenntt sshhaarriinngg ffoorr N N+ +1 1 aanndd ppaarraalllleell aapppplliiccaattiioonnss.. TThhiiss m mooddiiffiieedd ssttaannddaarrdd vveerrssiioonn hhaass aa rreedduucceedd ccuurrrreenntt lliim miitt ffoorr lloow weerr ppoow weerr aapppplliiccaattiioonnss.. PQ48033HTA38 Module 48V 48V in in 3.3V 3.3Vout out 38Amp 38Amp 2000Vdc 2000Vdc Half-brick Half-brick Input Input Output Output Current Current Isolation Isolation DC/DC Conver DC/DC Conver ter ter • Ultra-high efficiency, 91.5% at full rated load current • Delivers up to 38 amps of output current with minimal derating - no heatsink required • Wide input voltage range: 35V – 75V meets or exceeds all 48V bus standards • Fixed frequency switching provides predictable EMI performance Operational Features Operational Features • Input under-voltage lockout and over-voltage shutdown protects against abnormal input voltages • Output current limit and short circuit protection • Active back bias limit prevents damage to converter from external load induced pre-bias • Output over-voltage protection • Thermal shutdown Pr Protection Features otection Features • On/Off control referenced to input side (positive and negative logic options are available) • Remote sense for the output voltage compensates for output distribution drops • Output voltage trim permits custom voltages and voltage margining Contr Control Features ol Features • Active current share for N+1 and parallel applications • External Clock Synchronization pin for better EMI char- acteristics • Startup Synchronization pin for more consistent start-up sequence • ORing FET drive supply for efficient ORing protection Optional Features Optional Features (full-feature) (full-feature) • 2000V, 30 M Ω input-to-output isolation • UL 60950 recognized (US & Canada), basic insula- tion rating • TUV certified to EN60950 • Meets 72/23/EEC and 93/68/EEC directives • Meets UL94V-0 flammability requirements Safety Features Safety Features • Industry standard half-brick pin-out configuration • Industry standard size: 2.3” x 2.4” (58.4 x 61.0mm) • Total height only 0.43” (11.2mm), permits better air- flow and smaller card pitch • Total weight: 2.6 oz. (75 grams) Mechanical Features Mechanical Features |
