TDK-Lambda (San Diego, CA) has introduced the NVM175 series of medically approved AC-DC power supplies. Combining 4.5 kVac reinforced input to output isolation with dual input fusing and an output-to-ground isolation of 1500 Vac, the NVM175 meets UL/EN/IEC60601-1 and is suitable for use in BF (Body Floating) type medical applications (e.g. ultrasound, ECG, patient monitors, etc.) It offers a compact 5" × 3" footprint with less than 1U height (1.02" high component height), and universal AC input. It is rated at 180 W at 50 °C with user supplied air flow. Leakage current is 80 μA maximum with 120 Vac/60Hz input. Available with either 12 or 24 V output voltage (with 12V/0.2A standby), the NVM175 achieves up to 90% efficiency, less than 1 W standby power, and RoHs and REACH compliance. Standard features include a power good signal, remote on/off, remote sense, and protection from over-current, over-voltage, and over-temperature conditions.

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Medical Design Briefs Magazine

This article first appeared in the July, 2010 issue of Medical Design Briefs Magazine.

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