Camarillo, Calif. The QTS48T38096 is a 97-percent efficient, 38-A quarter-brick converter targeted at comm equipment designs. This converter operates from a regulated 36- to 55-V input, provides a 5:1 fixed-ratio output, and delivers up to 418 W at 55 V. The converter also sports a 0.5-in profile, 1500-V input-to-output isolation, remote on/off, and a parallel-operation option.
Pricing: $40 in 1000-unit quantities
Data Sheet: http://www.power-one.com/resources/products/datasheet/qts48t38096.pdf