ASQ24 DC-DC Converter Series Data Sheet
18 to 36 VDC Input; 1.0 to 12 VDC Output
Features
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RoHS lead-solder-exemption compliant
Delivers up to 15A (50 W)
Operates from – 55 ? C to 85 ? C ambient
Survives 1000 g mechanical shock, MIL-STD-883E
Industry-standard quarter-brick pinout
Available in through-hole and surface-mount
packages
Outputs available in 12.0, 8.0, 6.0, 5.0, 3.3, 2.5,
2.0, 1.8, 1.5, 1.2, and 1.0 V
Low profile: 0.274” (6.96 mm)
Low weight: 0.53 oz [15 g] typical
Extremely small footprint: 0.896" x 2.30" (2.06 in 2 )
On-board input differential LC-filter
Extremely low output and input ripple
Start-up into pre-biased load
No minimum load required
2000 VDC I/O isolation
Applications
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Meets Basic Insulation requirements of EN60950
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Telecommunications
Data communications
Wireless communications
Servers, workstations
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Fixed-frequency operation
Fully protected
Remote output sense
Positive or negative logic ON/OFF option
Output voltage trim range: +10%/-20% (except 1.2
and 1.0V outputs with a trim range of ± 10%) with
industry-standard trim equations
Benefits
? High efficiency – no heat sink required
? Can replace two single output quarter-bricks
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High reliability: MTBF 3.4 million hours,
calculated per Telcordia TR-332, Method I Case 1
UL 60950-1/CSA 22.2 No. 60950-1-07 Second
Edition, IEC 60950-1: 2005, and EN 60950-1:2006
Meets conducted emissions requirements per FCC
Class B and EN55022 Class B when used with
an external filter
All materials meet UL94, V-0 flammability rating
Description
The ASQ24 eighth-brick dc-dc converters are ideally suited for aerospace applications where high reliability, low
profile, and low weight are critical. They are designed for reliable operation in harsh thermal and mechanical
environments.
In high-ambient temperature applications, the ASQ24 Series converters provide thermal performance that
exceeds competing dc-dc converters that have a higher nominal rating and much larger package size.
This performance is accomplished through the use of patented/patent-pending circuits, packaging, and processing
techniques to achieve ultra-high efficiency, excellent thermal management, and a low-body profile. Coupled with
the use of 100% automation for assembly, this results in a product with extremely high quality and reliability.
Available in through-hole and surface-mount packages, the ASQ24 Series converters are also ideal for
environments with little or no airflow. Contact Power-One for more information on using these converters in
conduction cooled applications.
Operating from an 18 to 36 VDC input, the ASQ24 Series converters provide any standard output voltage from
12 VDC down to 1.0 VDC. Outputs can be trimmed from –20% to +10% of the nominal output voltage ( ± 10% for
output voltages 1.2 VDC and 1.0 VDC), thus providing outstanding design flexibility.
MCD10004 Rev. 1.5, 15-Jun-10
Page 1 of 70
www.power-one.com
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