New 750W DC-DC step-down converters in TDK-Lambda i7A series

TDK Corporation announces the introduction of the 750W rated TDK-Lambda i7A series of non-isolated buck DC-DC converters, packaged in the industry-standard 1/16th brick footprint.

The output voltage of these 24V nominal input step-down converters can be adjusted from 3.3V to 18V with a maximum current of 45A.

Efficiencies of up to 98.5% minimise internal losses and allow the i7A to operate in ambient temperatures of -40°C to +125°C, even with low airflow conditions.

A choice of three mechanical configurations is available, measuring just 34mm wide and 36.8mm in length. The 11.5mm high open-frame model is suitable for applications requiring a low profile.

The baseplate version can be conduction-cooled to a cold plate and is 12.7mm high. Models with an integral heatsink, which are for convection or forced air cooling, are 24.9mm high.

The i7A standard features include output voltage adjustment, + remote sense, remote on-off (positive or negative logic available), input under-voltage, over-current and over-temperature protection.

These very compact products are suited for use in robotics, drones, medical, industrial, test, measurement and portable battery-powered equipment.

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