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Similar parts with LT8315

Charles-Chen
Genius 11836 points
Other Parts Discussed in Thread: UCC28911, UCC28910

Hi team,

Do we have any parts similar with LT8315? Or any device support up to 270V DC input and 5V DC output (5W) with integrated high voltage switch?

  • 0
    TI__Guru* 86266 points

    Hello Charles,

    The UCC28910 and UCC28911 devices have an internal FET with PSR fly back control.

    They can be designed for  up to 10 to 12W depending on the application.

    The internal FET is rated for 700V and this could be designed for 270 V to 5V 5 W output.

    The following link will get you to the product page, where there are many reference and software tools at your disposal for doing a custom design.

    The following link will get you to a 85V to 265V AC to 5V 6 W output evaluation module. This design as is would convert 270V DC to 5V 6 W.  Because your application has DC input it would not require the bridge rectifier D1. http://www.ti.com/lit/ug/sluuai4a/sluuai4a.pdf

    Regards,