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Product # PQ55540HTL05 Phone 1-888-567-9596 Doc.# 005-2HT554F Rev. A 04/20/06 Page 1 T Technical echnical S Specification pecification PQ55540HTL05 PQ55540HTL05 TThhee PPQ Q5 55 55 54 40 0H HTTLL0 05 5 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 ppoow weerr ffoorr aa ssttaannddaarrdd ““hhaallff--bbrriicckk”” m moodduullee.. TThhee 5 54 4VV TTeerraa uunniittss aarree ddeessiiggnneedd ttoo bbee uusseedd pprriim maarriillyy iinn PPoow weerr oovveerr EEtthheerrnneett ((PPooEE)) aapppplliiccaattiioonnss.. RRooH HSS C Coom mpplliiaanntt ((sseeee ppaaggee 1 2)).. PQ55540HTL05 Module 38-55V 38-55V 54V 54V 275W 275W 2250Vdc 2250Vdc Half-brick Half-brick Input Input Output Output Power Power Isolation Isolation DC/DC Conver DC/DC Conver ter ter • Ultra-high efficiency, 93% at full rated load current • Delivers up to 275 Watts of output power with mini- mal derating - no heatsink required • Input voltage range: 38V – 55V suitable for 48V bus applications • Fixed frequency switching provides predictable EMI performance Operational Features Operational Features • Input under-voltage lockout disables converter at low input voltage conditions • Output current limit and short circuit shutdown protects converter and load from permanent damage • 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 • 2250V, 30 M Ω input-to-output isolation • UL/cUL 60950-1 recognized (US & Canada), basic insulation rating • TUV certified to EN60950-1 • 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 0.34” (8.7mm), permits better airflow and smaller card pitch • Total weight: 2.6 oz. (75 grams) Mechanical Features Mechanical Features |
