DC/DC converter with EN 62477-1 (OVC III) certification

2nd October 2019
Alex Lynn

TDK Corporation (TSE 6762) announces the introduction of the TDK-Lambda brand PH300A280-5 DC-DC converter, completing the PH-A280 series of 200 to 425V input 50 to 300W power modules. The new model is designed for data communications and renewable energy applications utilising 380V HVDC (High Voltage DC).

The new model is rated at 5V 60A and has a wide 2.5 to 6V adjustment range to accommodate non-standard voltages. Packaged in the industry standard half-brick format (61.0x12.7x57.9mm), it has an efficiency of 89% and can operate at full load with -40 to +100°C baseplate temperatures. The converter can be conduction cooled making it suitable for use in sealed outdoor enclosures, liquid cooled applications or convection cooled with an optional heatsink.

All PH-A280 modules have a standard feature set including a five-year warranty, remote on-off, over-current, and over-voltage protection. The series is fully isolated with an input to output isolation of 3,000Vac and safety certified to IEC/EN 60950-1, UL/CSA 60950-1 with CE marking for the Low Voltage and RoHS2 Directives.

Additionally, the PH300A280 models are certified to EN 62477-1 (Over Voltage Category III) for fixed installations with a permanent connection to a distribution panel. This avoids the need for a transformer to reduce input voltage transients.

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