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NQB-420DWA-AN Datasheet, PDF (1/36 Pages) CUI INC – FULLY REGULATED ADVANCED BUS CONVERTERS
date 02/20/2013
page 1 of 36
SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS
GENERAL CHARACTERISTICS
• configurable soft start/stop
• precision delay and ramp-up
• voltage margining
• voltage/current/temperature monitoring
• configurable output voltage
• configurable fault response
• power good
FEATURES
• quarter-brick with
digital PMBus interface
57.9 x 36.8 x 11.3 mm
(2.28 x 1.45 x 0.445 in)
• industry standard 5-pins for
intermediate bus architectures
• industry-leading power density for
telecom and datacom 127~141W / sq. in
• high efficiency, typ. 96.4% at half load,
12 Vout
• fully regulated advanced bus converter
from 36~75Vin
• 2,250 Vdc input to output isolation
• fast feed forward regulation to manage
line transients
• optional baseplate for high temperature
applications
• droop load sharing with 10% current
share accuracy
• PMBus Revision 1.2 compliant
• 2.9 million hours MTBF
• ISO 9001/14001 certified supplier
• Ericsson BMR453 & BMR456 compatible
MODEL
NQB-420DWA-AN
NQB-468DMA-AN
NQB-415DWB-AN
NQB-462DMB-AN
input voltage
(Vdc)
36~75
40~60
36~75
40~60
output voltage
(Vdc)
12
12
12.45
12.45
output current
max
(A)
35
39
35
39
output wattage
max
(W)
420
468
415
462
cui.com