Recom Power allows its users to take advantage of surface mount technology with the new R5M, R3M, R2M, and R1M regulated DC/DC converters, rated at 5 W, 3 W, 2 W, and 1 W respectively.
The family shares a common case size of 13.2 mm x 9.1 mm footprint, 10.2 mm high, with the R2M additionally available in a through-hole DIP8 package. The DC/DCs operate over a 4:1 input range, 9 - 36 VDC or 18 - 75 VDC, while the R3M, R2M, and R1M range additionally include 4.5 - 18 V input. Outputs available are fully regulated: single 3.3 V, 5 V, 9 V, 12 V, 15 V, or 24 V, and dual +/-5 V, +/-12 V, or +/-15 V.
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 1 W R1M part. No minimum load is required.
All parts feature a 1.6 kV/1 min isolation rating and EN55032 class A and B EMC limits can be met with a simple external filter. Reliability calculated to MIL-HDBK 217F, GB at 25°C is high, for example, 8.5 MHrs for the R1M 1 W part.
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