Isolated dc/dc converters for harsh industrial equipment applications

TDK Corporation's TDK-Lambda HQA120 isolated dc/dc converter is designed for use in commercial off-the-shelf (COTS) and harsh environment industrial equipment and in extreme temperatures.

07/04/2016


TDK Corporation's TDK-Lambda HQA120 isolated dc/dc converter is designed for use in commercial off-the-shelf (COTS) and harsh environment industrial equipment and in extreme temperatures. Courtesy: TDK CorporationTDK Corporation's TDK-Lambda HQA120 isolated dc/dc converter is designed for use in commercial off-the-shelf (COTS) and harsh environment industrial equipment. Initially available with 12, 24, and 28 V outputs, the encapsulated quarter bricks accept a wide range dc input of 9 to 40 V, withstanding a 50 V surge for 10 seconds. A choice of two grades is offered: -S for standard industrial applications or -M for wide temperature, high grade components, and additional product testing. This includes functional testing at low, high and room temperatures, a 96-hour extended burn-in period and 10 temperature cycles. With typical efficiencies of up to 89%, internal heating is minimized allowing the HQA converters to operate in high ambient temperatures of up to 115 C and a minimum of -55 C (M grade) or -40 C (S grade). No opto-couplers are used in the design and the switching frequency is fixed at 270 kHz for simplified noise filtering. The converter pinout has a five-pin quarter brick footprint featuring negative logic remote on/off and +/- remote sense.

TDK Corporation

www.tdk.com 

- Edited by CFE Media. See more Control Engineering energy and power products.



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