SQ60120QZB40 Datasheet, PDF (1/14 Pages) –

Technical
Specification
SQ60120QZB40
36-75V
100V
Continuous Input Transient Input
12V
Output
450W 2250V dc Quarter-brick
Max Power
Isolation
DC-DC Converter
The BusQor^® SQ60120QZB40 bus converter is a
next-generation, board-mountable, isolated, fixed
switching frequency dc/dc converter that uses
synchronous rectification to achieve extremely high
conversion efficiency. The power dissipated by the
converter is so low that a heatsink is not required,
which saves cost, weight, height, and application
effort. The SQ BusQor series provides an isolated
step down voltage from 48V to a semi-regulated 12V
intermediate bus. BusQor converters are ideal for
customers who need multiple outputs and wish to
build or buy point of load converters to work with a
12V rail. RoHS Compliant (see last page).
Operational Features
• High efficiency, 95.3% at full rated load current
• Delivers 40A (450W) power with minimal derating
- no heatsink required
• Operating input voltage range: 36-75Vdc
• Fixed frequency switching provides predictable EMI
• No minimum load requirement
Mechanical Features
• Industry standard quarter-brick pin-out configuration
• Size: 2.30" x 1.45" (58.4 x 36.8mm), 0.500” (12.70mm)
• Total weight: 2.2 oz (62 g)
SQ60120QZB40 Model
Control Features
• On/Off control referenced to input side
• Inherent current share (by droop method) for high current
and parallel applications.
Protection Features
• Input under-voltage lockout and over-voltage shutdown protects
against abnormal input voltages
• Output current limit and short circuit protection
• Output over-voltage protection
• Thermal shutdown
Safety Features
• UL 60950-1/R2011-12
• EN60950-1/A2:2013
• CAN/CSA-C22.2 No. 60950-1/A1:2011
Contents
Page No.
Baseplated Mechanical. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Electrical Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Standards & Qualifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Application Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Ordering Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Product # SQ60120QZB40
Phone [phone]
www.synqor.com
Doc.# 005-0006404 Rev. 4
07/30/2015
Page 1