24V DC/DC Converters Enter Eighth-Brick Housing

Aug. 1, 2003
With the introduction of the SemiQ family comes the power market's first 24V input dc/dc converters to take up residence in an eighth-brick package. The SQ24 converters are capable of 15A output current with minimal or no derating at elevated

With the introduction of the SemiQ family comes the power market's first 24V input dc/dc converters to take up residence in an eighth-brick package. The SQ24 converters are capable of 15A output current with minimal or no derating at elevated temperatures and low airflow. This translates into a power density of 5.7 W/cm3 in a package measuring 40% smaller than an industry-standard quarter-brick. In an open-frame package that requires no heatsink, the converters measure 22.8 mm x 58.4 mm with heights down to 6.6 mm; they also weigh only 15g. Input voltage range is 18V to 36V, 24V nominal, and output voltages range from 1V to 12V. The new eighth-brick devices also meet basic insulation requirements of EN60950 and boast of remote sense, input under-voltage lockout, thermal shutdown, remote on/off, an output voltage adjust pin, and output over-voltage, over-current and short-circuit protection features. The converters come in both through-hole and surface-mount styles, with the SMT versions shipping on tape-and-reel. Price is $55 each/1,000. DI/DT INC., Carlsbad, CA. (866) 969-3438.

Company: DI/DT INC.

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