Components

XP Power Introduces Compact Isolated DC-DC Converter Aimed At Medical Applications

XP Power announced the JHM series of ultra compact low power isolated dc-dc converters. Offering 3 and 6W board mounted variants and packaged in an industry standard 24-pin DIP package, the converters conform to the international medical equipment safety standards UL/IEC 60601-1 and CSA-C22.2 No 601.1.

The units provide 3,000Vac input to output isolation for up to 1 minute, meeting the secondary isolation requirements for BF and CF applications and 5,000Vac isolation up to 10ms for defibrillation proof compliance. Any medical appliance that may involve patient contact needs to provide isolation from hazardous voltages and have an extremely low leakage current. With such a small leakage current of 2µA, and low 20pF input to output capacitance, the JHM series meets these requirements and is said to provide a reliable and cost effective solution for designers of medical equipment.

The JHM series comprises a total of 20 models. The 3 and 6W units are available in +12 or +24Vdc nominal input versions covering the ranges of +10 to +17Vdc or +20 to +30Vdc. Single output models are available with +5, +12 or +15Vdc outputs. Dual output models offer +/-12 or +/-15Vdc options. Output voltages are fully regulated to within +/- 0.3% over all input conditions and less than +/- 2.0% over all load conditions.

The converters are capable of operating in most environments without any additional heat sinking or forced airflow. Full load output is available from -20 to +60°C and up to the maximum case temperature of +100°C with derating. The units conform to EN55011 and EN55022 level A standards for conducted and radiated EMI without the need for any additional external components.

Based on an order for 500 pcs, the JHM series pricing ranges from $22.62 for a 3W single output model up to $27.30 for a 6W dual output model.

XP Power plc
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