Power

Non-isolated 250W DC/DC converters deliver up to 14A output

12th November 2015
Nat Bowers

Featuring a 3.3 to 24V output adjustment range, the i6A series of non-isolated 250W DC/DC converters has been introduced by TDK-Lambda. The converters can deliver up to 14A output from a 9-40V input range and feature a power density of 427W/in3 packaged in the industry standard 1/16th brick form factor.

Suitable for creating additional high current output voltages from a single output 12 or 24V AC/DC supply power supply, the highly efficient converters are suitable for use in medical, communications, industrial, test and measurement, broadcast and portable equipment.

The compact, PCB-mount i6A DC/DC converters measure just 33x22.9x12.7mm, offer efficiencies of up to 98% and will operate over a temperature range from -40 to +125°C. The thermal design of the series allows for minimal output de-rating, even with low airflow and high ambient temperature conditions. The product’s optimised dynamic voltage response reduces the need for external capacitors, saving board space.

Standard features include a trim pin for output voltage adjustment, remote sense, remote on-off (positive or negative logic), input under-voltage, over-current and over-temperature protection. Power good, operating frequency synchronisation and output sequencing are also optionally available.

Safety certification includes IEC/EN 60950-1, UL/CSA 60950-1 with CE marking for the Low Voltage and RoHS2 Directives.

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