Wide-input, 20W DC/DC converters have railway approvals
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By
Graham Prophet
The 2 x 1-in. modules have a 4:1 input voltage range (9-36V, 18-75V, 43-160V) and therefore cover all standard battery-board levels including the ±40% tolerance margin. Besides 3.3V, 5V, 12V and 15V single outputs, dual ±12V and ±15V outputs are also available. The control pin logic can be chosen to be positive or negative.
The converters have an efficiency of up to 89% and feature a wide Tx operating temperature range of -40°C to +85°C (-HC versions). Cooling is achieved by natural convection, but if required, the modules are also available with a pre-mounted heatsink.
The modules are EN50155 certified with EN50121-1-3-2, EN61373 and UL/cUL-60950-1 approvals.
Recom (Gmunden, Austria); www.recom-power.com
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