DC/DC Converter Delivers PoE December 2004 Issue Published Date: January 06, 2005
Meeting IEEE 802.3af power-over-Ethernet (PoE) requirements, the HHS05Z55 260W, half-brick dc/dc converter accepts input voltages from 36V to 75V and delivers a regulated 53.7V/4.85A output at efficiencies up to 93%. Measuring 61 mm x 57.9 mm x 10.67 mm, the converter includes noise filtering, an input-to-output isolation of 2.25 kV, and basic safety insulation. Other features include remote on/off, remote sense, output trim, output over-voltage and over-current protection, under-voltage lockout, and over-temperature protection. Additionally, the component carries UL60950-3rd/CSA C22.2 60950-00, TUV EN60950:2001, and IEC60950-1:2001 approvals. Price is $80 each/1,000. POWER-ONE INC., Carlsbad, CA. (866) 969-3438.
