Compact desktop power adapters meet EMC standards

31st August 2016
Source: TRUMPower
Posted By : Anna Flockett
Compact desktop power adapters meet EMC standards

 

Low cost medical grade AC/DC desktop power adapters have been launched by TRUMPower. The TMP65 series will give users a head start in meeting 4th edition EMC standards, including the ability to withstand ESD of 8kV contact and 15kV air. 

The TMP65 Class I units come with an IEC 320/C6 AC inlet that has a ground pin. Class II units, furnished with an IEC 320/C8 AC inlet without a ground pin, and are double insulated to provide proper safety protection where the availability and integrity of an earth cannot be guaranteed. Both Class I and Class II units come with a 2.5x5.5x11mm right angle barrel plug as the standard output connector. The series offers standard single output voltages of 12, 15, 18, 19, 20 or 24V with continuous output power of up to 65W; non-standard output voltages are available upon request. TRUMPower offers other connector options and can accommodate special requirements. 

With efficiency higher than 87%, the TMP65 series is in compliance with CEC and Energy Star efficiency level VI requirements. It also carries CE marking and is RoHS compliant as well. No minimum load is required while still maintaining 5% tolerance throughout the full load range. Packaged in a low profile black-coloured plastic enclosure with power on indicator, the unit has a compact size of 5.08x2.01x1.22”. (White-coloured units are available upon request.)

The power adapter has an 85-265VAC continuous input range with 0.98 active power factor and is suitable for operating at up to 5,000m altitude. Withstand voltage is specified at 4,000VAC from input to output (2xMOPP) and 1,500VAC from input to ground (1xMOPP).

With touch current being lower than 100µA, the TMP65 power adapter has a low earthleakage current of 75µA typical, 100µA maximum at 264VAC and can operate at an ambient temperature range of 0-60°C, with no derating required between 0 and 40°C. The MTBF is higher than 150,000 hours at full load and 25°C ambient per MIL-HDBK-217F. Standby power is under 0.21W and the power supply is fully protected against overvoltage, over-current and over temperature conditions.


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