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50W DC-DC converter in 1/16 brick footprint

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By Nick Flaherty

The RPA50S-W is a low cost 50W converter in an industry standard 1/16th brick format and pin out measuring 33 x 23 mm.

The 4:1 input range covers 24V, 28V, 48V or 57V nominal input voltages with tightly regulated output voltage options of 3.3V, 5V or 12V, all with +10%/-20% trim. These fully protected modules (SCP, OVP, OCP, OTP, UVLO) can deliver up to 50W to power industrial applications, from PoE, regulated DC or unregulated battery supplies.

The input voltage surge capability of up to 100V means that long supply cables are unproblematic and the output sense pins can be used to compensate for long output cable voltage drops. The enable pin draws 1 mA, allowing PoE PD interface controllers to directly drive the converter from the PG output. The converters use planar transformer technology to give a low profile design with an isolation voltage of 2.25 kVDC/1 minute (basic insulation grade). The 91% efficiency permits operation from -40°C up to +54°C full load, or up to +85°C with derating, using natural convection cooling only.

Recom Power; www.recom-power.com

 

 


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