SynQor Announces 25 Amp PowerQor Quarter-brick DC-DC Converters
Hudson, Mass - SynQor announced
today a series of industry standard "quarter-brick"
sized isolated DC-DC converters. The PowerQor
QN series is capable of delivering up to 25 amps of
output current, without the need for an attached heatsink.
The PowerQor converters use MOSFET synchronous rectifiers,
as well as a patent-pending, fixed switching frequency
converter topology to achieve extremely high efficiencies,
even at very low output voltages. By providing efficiencies
of 87% for a 3.3 Vout unit at 25 amps, the PowerQor
series reduces dissipated heat by more than 50% over
The PowerQor QN product line includes output voltages of 15V, 12V, 5V, 3.3V, 2.5V, 2.0V, 1.8V and 1.5V. All units draw power from a 48V nominal input (range: 35V to 75V) and deliver 25 amps or 100 Watts of output, without the need for a heatsink.
SynQor's quarter brick DC-DC converters provide significantly better derating performance than competing products that use an attached heatsink, resulting in 2 - 3 times the true power density of typical DC-DC converters with attached heatsinks. The QN converters feature a low profile (0.4"), low weight (1.2 oz), standard footprint (1.45" x 2.3") and industry standard pin outs for compliance with existing DC-DC converters.
These converters use a multi-layer PCB substrate and high-yield surface mount construction techniques. Since a heatsink is not necessary, the converters have eliminated the baseplate, potting materials, and all explicit failure-prone thermal connections. As a result, the PowerQor QN converters provide superior performance and reliability while reducing space, height, weight, cost of use and application effort.
Additional features of the PowerQor quarter-bricks include advanced control, safety and protection features including; on/off control, remote sense, no load operation, output voltage trim, input under-voltage lockout, output current limit, output over-voltage limit, temperature limit as well as safety certifications from UL 1950, CSA 22.2-234, IEC 950, 72/23/EEC and 93/68/EEC.
The PowerQor QN series of converters will begin shipping
in October 1999 and are available direct from SynQor
and through their network of distributors. The QN
quarter brick modules are priced at $94.50 in 1,000