QBW018A0B

Data Sheet April 21, 2006 QBW018A0B Series Power Modules, DC - DC Converters: 36 – 75Vdc Input; 12Vdc Output; 18A Output Current RoHS Compliant Applications ƒ Distributed power architectures ƒ Intermediate bus voltage applications ƒ Telecommunications equipment ƒ Servers and storage applications ƒ Networking equipment Options ƒ Negative Remote On/Off logic ƒ Active load sharing (Parallel Operation) ƒ Baseplate option (-H) ƒ Auto restart after fault shutdown ƒ Case ground pin Features ƒ Compliant to RoHS EU Directive 2002/95/EC (-Z versions) ƒ Compliant to ROHS EU Directive 2002/95/EC with lead solder exemption (non-Z versions) ƒ High power density: 155 W/in3 ƒ High efficiency – 93% at 12V full load ƒ Improved Thermal Performance: 12A at 70ºC at 2m/s (400LFM) ƒ Delivers up to 18A output current ƒ Low output ripple and noise ƒ Industry standard Quarter brick: 57.9 mm x 36.8 mm x 10.6 mm (2.28 in x 1.45 in x 0.42 in) ƒ Cost efficient open frame design ƒ Single optimal regulated output ƒ 2 : 1 input voltage range ƒ Constant switching frequency ƒ Positive Remote On/Off logic ƒ Output over current/voltage protection ƒ Overtemperature protection ƒ Wide operating temperature range (-40°C to 85°C) ƒ ISO** 9001 certified manufacturing facilities ƒ UL* 60950-1 Recognised, CSA† C22.2 No. 609503-01 Certified, and EN 60950-1 (VDE‡ 0805): 200112 Licensed (pending) ƒ CE mark meets 73/23/EEC and 93/68/EEC directives§ (pending) Description The QBW018A0B series of dc-dc converters are an ex...