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Path: news.eternal-september.org!eternal-september.org!feeder3.eternal-september.org!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: Sylvia Else <sylvia@email.invalid> Newsgroups: sci.electronics.design Subject: Re: tiny dc/dc Date: Sun, 30 Mar 2025 12:40:08 +0800 Lines: 13 Message-ID: <m4s098FfpjpU1@mid.individual.net> References: <53gbujdfpu4u12kf5lkd3tk2evnf06fpi4@4ax.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: individual.net CzSyRanGf4o5VYIXKoEZhwqFLfmAwtPUVmu2VKp2Bf76woOfKI Cancel-Lock: sha1:vsA91vRONk0iRdynaFur0F5jqos= sha256:01bW8OWpYgdeZ+sl8EJTuPOYDYW2lmVNNUf/psHSzvM= User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.15.1 Content-Language: en-US In-Reply-To: <53gbujdfpu4u12kf5lkd3tk2evnf06fpi4@4ax.com> On 28-Mar-25 5:19 am, john larkin wrote: > Check out UCC33420. > > It's a tiny cheap isolated dc/dc converter. It switches at 64 MHz! > I note that most have basic isolation, but a couple have reinforced isolation. So, how long before Chinese fraudsters start relabeling the presumably cheaper basic isolation models as more expensive reinforced isolation parts? Sylvia.