Path: ...!3.eu.feeder.erje.net!feeder.erje.net!news2.arglkargh.de!news.karotte.org!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: Uwe Bonnes Newsgroups: sci.electronics.design Subject: Re: tiny dc/dc Date: 1 Apr 2025 12:49:38 GMT Lines: 23 Message-ID: References: <53gbujdfpu4u12kf5lkd3tk2evnf06fpi4@4ax.com> <87ljujttp23urfh2gk373nk8pdhfbv5j0n@4ax.com> X-Trace: individual.net nkBYeWF83dK48wgNEbQUvQnYlTTj3fm++zup+b5bKGr2HiR9Su X-Orig-Path: not-for-mail Cancel-Lock: sha1:hc3i4IDQs5xWMnxI+RW94AVQk4A= sha256:62I2firHrYuQB3PWQe/zcI8Dm25mArJEUR4zGHefpuU= User-Agent: tin/2.4.2-20171224 ("Lochhead") (UNIX) (Linux/6.4.0-150600.23.42-default (x86_64)) Bytes: 1538 john larkin wrote: > On 30 Mar 2025 21:43:28 GMT, Uwe Bonnes > wrote: > >>john larkin wrote: >>> Check out UCC33420. >>> >>> It's a tiny cheap isolated dc/dc converter. It switches at 64 MHz! >>> >> >>I guess Murata NXJ switches at a similar frequency! > > About 100 KHz. > > https://www.dropbox.com/scl/fo/w90gg474w9h0wsqkbpd9e/AC8Oh-LB9La9PcvIGGOYWtg?rlkey=agwx067u5vk6z04ir2ktp4dy0&dl=0 > Thanks! -- Uwe Bonnes bon@elektron.ikp.physik.tu-darmstadt.de Institut fuer Kernphysik Schlossgartenstrasse 9 64289 Darmstadt --------- Tel. 06151 1623569 ------- Fax. 06151 1623305 ---------