Re: tiny dc/dc

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Sujet : Re: tiny dc/dc
De : klauskvik (at) *nospam* hotmail.com (Klaus Kragelund)
Groupes : sci.electronics.design
Date : 05. Apr 2025, 00:50:47
Autres entêtes
Organisation : A noiseless patient Spider
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On 30-03-2025 23:43, Uwe Bonnes wrote:
john larkin <jl@glen--canyon.com> 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!
Wont they get in trouble with conducted emissions, since only a very small parasitic capacitance from primary to secondary is able to push a lot of current at 64MHz?

Date Sujet#  Auteur
27 Mar 25 * tiny dc/dc27john larkin
28 Mar 25 +* Re: tiny dc/dc2bitrex
28 Mar 25 i`- Re: tiny dc/dc1john larkin
28 Mar 25 +- Re: tiny dc/dc1Phil Hobbs
28 Mar 25 +* Re: tiny dc/dc10Martin Rid
28 Mar 25 i+* Re: tiny dc/dc8john larkin
29 Mar 25 ii+- Re: tiny dc/dc1Bill Sloman
29 Mar 25 ii`* Re: tiny dc/dc6Phil Hobbs
29 Mar 25 ii `* Re: tiny dc/dc5john larkin
29 Mar 25 ii  `* Re: tiny dc/dc4Phil Hobbs
29 Mar 25 ii   `* Re: tiny dc/dc3john larkin
29 Mar 25 ii    `* Re: tiny dc/dc2Phil Hobbs
30 Mar 25 ii     `- Re: tiny dc/dc1john larkin
29 Mar 25 i`- Re: tiny dc/dc1legg
30 Mar 25 +- Re: tiny dc/dc1Sylvia Else
30 Mar 25 +* Re: tiny dc/dc11Uwe Bonnes
31 Mar 25 i+* Re: tiny dc/dc8john larkin
1 Apr 25 ii+- Re: tiny dc/dc1Uwe Bonnes
1 Apr 25 ii+* Re: tiny dc/dc3Uwe Bonnes
1 Apr 25 iii`* Re: tiny dc/dc2john larkin
9 Apr 25 iii `- Re: tiny dc/dc1Uwe Bonnes
4 Apr 25 ii`* Re: tiny dc/dc3Klaus Kragelund
4 Apr 25 ii `* Re: tiny dc/dc2john larkin
5 Apr 25 ii  `- Re: tiny dc/dc1Klaus Kragelund
5 Apr 25 i`* Re: tiny dc/dc2Klaus Kragelund
6 Apr 25 i `- Re: tiny dc/dc1Bill Sloman
1 Apr 25 `- Re: tiny dc/dc1john larkin

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