TDK Corporation announces the introduction of 20A versions of the TDK-Lambda i6A product family of non-isolated DC-DC converters. Capable of operating from an even wider input voltage of 9V to 53V, the i6A4W step-down converters deliver an output voltage that can be adjustable from 3.3V to 15V. These additional products allow operation from 48V inputs, and can be used as drop-in replacements for expensive isolated 1/6th converters driving 12V POL devices in medical, communications, industrial and test and measurement equipment.
In the 1/16th brick form factor, measuring 33 x 22.9 x 12.7mm, the converters can also be used in conjunction with single output 12V, 24V, 36V and 48V output AC-DC power supplies to generate additional regulated high current outputs, with or without battery back-up.
With efficiencies of up to 97%, power losses are minimized allowing the products to operate in harsh ambient temperatures of -40oC to +125oC even with low airflow requirements. The need for external output capacitance is reduced due to an optimized dynamic voltage response, thus reducing board space requirements.
The basic feature models include an output voltage adjustment pin, positive or negative logic remote on-off, remote sense, input under-voltage, over-current and thermal protection. Full feature models are equipped with a power good signal, output voltage sequencing and the ability to synchronize the operating frequency to minimize system noise. All models are certified to UL/CSA 60950-1, IEC/EN 60950-1 and carry the CE mark for the Low Voltage and RoHS2 Directives.
