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  • Does This NEMA Rating Match Your Required IP Rating?
    , fuses, isolation transformers, etc. Two widely accepted rating systems are the NEMA and the IP codes. NEMA, short for National Electric Manufacturers' Association, is commonly specified at installations in the U.S.A. IP, which is an abbreviation for International Protection, is derived from the IEC
  • Enhancing Power Delivery System Designs with CMOS-Based Isolated Gate Drivers (.pdf)
    and isolated dc-dc power supplies is the isolated gate driver. While optocoupler-based solutions and gate-drive transformers have been the mainstay for switch-mode power supply (SMPS) systems for many years, fully-integrated isolated gate driver products based on RF technology and implemented in mainstream
  • Circuit Ideas: High-efficiency dc/dc conversion
    connected to the primary of an isolation transformer. High efficiency comes from careful choice of the C value and use of fast synchronous rectifier drive circuitry. An example is the converter shown in the accompanying diagram which delivers 3.3 V at 30 A from a 48-V source with over 92% efficiency

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