• RE: ADUM4221 comparison to UCC21540

    Hello Patrick,

    The ADuM4221 secondary side supports higher supply voltage as compared to the UCC21540. Also, the CMTI rating of the ADuM4221 is higher than the UCC21540.

    Regards,
    Sanket

  • About ADUM4221/ADUM4121 magnetic isolation and VDD1 power supply

    About ADUM4221/ADUM4121 magnetic isolation and VDD1 power supply

    1.ADUM4221/ADUM4121 is magnetic isolation. In PCB design, it is usually close to the main transformer. Will the transformer and the internal isolation coil of ADUM4221 interfere with each…