Delta Electronics, Inc. has introduced the Q54SG, a high power density quarter-brick family claiming the most cost competitive design. The footprint and pinout of the converters follow the DOSA industry standard (2.30″x1.45″x0.50″). The Q54SG is a 48V input, 12V output, isolated dc-dc converter that provides up to 600W of output power. It operates from an input voltage range of 40V to 60V and is available for different output current levels to suit customer’s requirement (33A and 50A).
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There is a built-in digital pwm controller in the Q54SG series, which is used to complete the Vo feedback, pwm signal generation, fault protection, output voltage trim, on/off control and PMBus communications, and so on. With the digital control, many design and application flexibility, advanced performance, and reliability are obtained.
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The Q54SG converter comes complete with a host of industry-standard features to insure that this unit will reliably perform in the harshest environments. All modules are fully protected against abnormal input/output voltage, current, and temperature conditions. Q54SG modules can also offer monotonic startup into normal or pre-biased loads. Samples are available from stock. Standard lead-time for this product is from stock to 8 weeks, depending on output and volume.
source: http://www.powerpulse.net/story.php?storyID=31152
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