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Lineage Power

QBW018A0B Datasheet Preview

QBW018A0B Datasheet

Power Modules

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Data Sheet
January 26, 2011
QBW018A0B Series Power Modules, DC - DC Converters:
36 – 75Vdc Input; 12Vdc Output; 18A Output Current
Features
Compliant to RoHS EU Directive 2002/95/EC (-Z
versions)
RoHS Compliant
Applications
Distributed power architectures
Intermediate bus voltage applications
Telecommunications equipment
Servers and storage applications
Networking equipment
Options
Negative Remote On/Off logic
Active load sharing (Parallel Operation)
Baseplate option (-H)
Auto restart after fault shutdown
Case ground pin
Compliant to ROHS EU Directive 2002/95/EC with
lead solder exemption (non-Z versions)
High power density: 155 W/in3
High efficiency – 93% at 12V full load
Improved Thermal Performance:
12A at 70ºC at 2m/s (400LFM)
Delivers up to 18A output current
Low output ripple and noise
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)
Cost efficient open frame design
Single optimal regulated output
2 : 1 input voltage range
Constant switching frequency
Positive Remote On/Off logic
Output over current/voltage protection
Overtemperature protection
Wide operating temperature range (-40°C to 85°C)
ISO* 9001 certified manufacturing facilities
Meets the voltage isolation requirements for
ETSI 300-132-2 and complies with and is licensed for
Basic Insulation rating per EN60950-1
UL** 60950-1 Recognised, CSAC22.2 No. 60950-1-
03 Certified, and VDE0805 (IEC60950, 3rd Edition)
Licensed
CE mark meets 2006/95/EC directive§
Description
The QBW018A0B series of dc-dc converters are an expansion of a new generation of DC/DC power modules
designed to support 12Vdc intermediate bus applications where multiple low voltages are subsequently generated
using discrete/modular point of load (POL) converters. The QBW018A0B series provide up to 18A output current in
an industry standard quarter brick, which makes it an ideal choice for small space, high current and 12V intermediate
bus voltage applications. The converter incorporates synchronous rectification technology and innovative packaging
techniques to achieve ultra high efficiency reaching 93% at 12V full load. This leads to lower power dissipation such
that for many applications a heat sink is not required.
The QBW018A0B series power modules are isolated dc-dc converters that operate over an input voltage range from
36 to 75 Vdc and provide a single regulated output. The output is fully isolated from the input, allowing versatile
polarity configurations and grounding connections. Built-in filtering for both input and output minimizes the need for
external filtering.
This product is affected by a Permanent Injunction entered by the United States District Court for the Eastern District of
Texas, Marshall Division in Civil Action No. 2:07-cv-00497-TJW-CE (copy enclosed). As set forth in that Order, certain acts
associated with this product are prohibited. This Product is Not for Sale in, Use in, or Importation into the United States.
ISO is a registered trademark of the International Organization of Standards
** UL is a registered trademark of Underwriters Laboratories, Inc.
CSA is a registered trademark of Canadian Standards Association.
Document No: DS04-010 ver. 1.48
PDF name: QBW018A0B.pdf
VDE is a trademark of Verband Deutscher Elektrotechniker e.V.
§ This product is intended for integration into end-use equipment. All of the required procedures of end-use equipment should be followed
Downloaded from Elcodis.com electronic components distributor




Lineage Power

QBW018A0B Datasheet Preview

QBW018A0B Datasheet

Power Modules

No Preview Available !

Data Sheet
January 26, 2011
QBW018A0B Series Power Modules, DC - DC Converters:
36 – 75Vdc Input; 12Vdc Output; 18A Output Current
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are
absolute stress ratings only, functional operation of the device is not implied at these or any other conditions in
excess of those given in the operations sections of the data sheet. Exposure to absolute maximum ratings for
extended periods can adversely affect the device reliability.
Parameter
Device
Symbol
Min
Max
Input Voltage*
Continuous
Operating transient 95mS
All VIN -0.3
-13 VIN, trans
75
95
Non- operating continuous
VIN -0.3
80
Operating Ambient Temperature
(See Thermal Considerations section)
All TA -40 85
Storage Temperature
All Tstg -55 125
I/O Isolation Voltage (100% factory Hi-Pot tested)
All   1500
* Input over voltage protection will shutdown the output voltage when the input voltage exceeds threshold level.
Unit
Vdc
Vdc
Vdc
°C
°C
Vdc
Electrical Specifications
Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature
conditions.
Parameter
Operating Input Voltage
Maximum Input Current
(VIN=0V to 75V, IO=IO, max)
Inrush Transient
Input Reflected Ripple Current, peak-to-peak
(5Hz to 20MHz, 12μH source impedance; VIN=
48V, IO= IOmax ; see Figure 9)
Input Ripple Rejection (120Hz)
Device
All
All
All
Symbol
Min
Typ
Max
Unit
VIN 36 48 75 Vdc
IIN,max
-
-
7 Adc
I2t - - 1 A2s
- 24 - mAp-p
- -50 - dB
CAUTION: This power module is not internally fused. An input line fuse must always be used.
This power module can be used in a wide variety of applications, ranging from simple standalone operation to being
part of a complex power architecture. To preserve maximum flexibility, internal fusing is not included, however, to
achieve maximum safety and system protection, always use an input line fuse. The safety agencies require a fast-
acting fuse with a maximum rating of 15 A (see Safety Considerations section). Based on the information provided in
this data sheet on inrush energy and maximum dc input current, the same type of fuse with a lower rating can be
used. Refer to the fuse manufacturer’s data sheet for further information.
LINEAGE POWER
Downloaded from Elcodis.com electronic components distributor
2


Part Number QBW018A0B
Description Power Modules
Maker Lineage Power
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