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UCC12050 and UCC12040 isolated DC-DC converters from Texas Instruments. These high efficiency converters provide an efficient isolated power supply to circuits that require a biased power supply with an appropriately adjusted output voltage. These devices are suitable for a variety of applications, including protective relays and intelligent circuit breakers, PLC analog input and output modules, patient monitoring, isolation voltage and current detection.
The UCC12050 and UCC12040 converters feature a proprietary architecture that integrates transformers and DC-DC controllers to provide 500 mW of isolated power with low electromagnetic interference (EMI) and high efficiency. Both devices offer protection and superior system robustness, as well as synchronization and 3.3V or 5V stabilized output options. The UCC12050 offers 5 kVRMS rated enhanced isolation, 10 kVPK surge suppression, and 1.2 kVRMS operating voltage. The UCC12040 converter has a 3 kVRMS rated base isolation capability, 8 kVPK surge suppression capability and a rated voltage of 800 VRMS.
The UCC12050 and UCC12040 converters have an accompanying UCC12050EVM-022 evaluation module that helps designers evaluate the functional and performance characteristics of both converters. In addition, the EVM layout of this module provides examples of appropriate board layouts to achieve rated isolation and EMI performance.
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