Thursday, February 29, 2024

Compact DC/DC Converter With Wide Input Range

By Sharad Bhowmick

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The RXM series of DC/DC converter offers high conversion efficiency, reducing power loss and generating less heat, thus improving the overall performance of the system


RXM series is a family of surface-mount, cost-effective, regulated DC/DC converters from RECOM Power. The RXM series includes R5M, R3M, R2M, and R1M, rated at 5W, 3W, 2W, and 1W respectively. All the modules feature a common case size of 13.2mm x 9.1mm footprint, 10.2mm high, with the R2M additionally available in a through-hole DIP8 package. The RXM series operate over a 4:1 input range of 9-36VDC or optionally 18-75VDC, while the R3M, R2M, and R1M range additionally include 4.5-18V input. The modules offers an isolation rating pf 1.6kV/1min. The RXM series offers various safety features including no minimum load operation, continuous short circuit protection and an on/off control pin. The DC/DC converters have an efficiency of up to 84% and comes with an advanced circuit and thermal design results.

The DC/DCs feature on/off control and are protected against short circuits while advanced thermal and circuit design has resulted in high efficiency, allowing an operation to at least 100°C with derating. At the same time, the parts operate to usefully high temperatures at full load, for example, to 90°C for the 1W R1M part. No minimum load is required.

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The advantages of the RXM series of DC/DC converters from Recom Power are:

    • High Efficiency: The RXM series offers high conversion efficiency, reducing power loss and generating less heat, thus improving the overall performance of the system.
    • Wide Input Voltage Range: These converters can handle a wide range of input voltage levels, making them suitable for use in a variety of applications and environments.
    • Small Size: The RXM series is designed to be compact, making it easy to integrate into small spaces and enabling system designers to minimize overall system size.
    • Reliability: The RXM series is manufactured to high standards, ensuring a long operating life and reducing the need for maintenance and replacement.
    • Safety: These converters are designed with safety in mind, meeting relevant industry standards and ensuring safe operation in a variety of applications.
    • Flexibility: The RXM series offers a range of output voltages, making it possible to find a solution that meets specific requirements.

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