Sujet : Re: UCC33420 dc/dc converter eval
De : bon (at) *nospam* hertz.ikp.physik.tu-darmstadt.de (Uwe Bonnes)
Groupes : sci.electronics.designDate : 10. Apr 2025, 09:48:48
Autres entêtes
Message-ID : <m5pevgF8ic0U1@mid.individual.net>
References : 1
User-Agent : tin/2.4.2-20171224 ("Lochhead") (UNIX) (Linux/6.4.0-150600.23.47-default (x86_64))
john larkin <
jl@glen--canyon.com> wrote:
My TI rep was being difficult, so I just bought an eval board from
Digikey for $100.
It makes a nice 4.993 volt output, but it's wicked noisy.
https://www.dropbox.com/scl/fo/8fybyu5l3w4tdgt1y0386/AFunYi9K15UgNpkQzEbYaVA?rlkey=j261b4ca5kc966vq2y03fw0md&dl=0
53% efficient into that 0.25 watt load.
I think this high frequency noise should be easy to filter by some CLC
Filter.
-- Uwe Bonnes bon@elektron.ikp.physik.tu-darmstadt.deInstitut fuer Kernphysik Schlossgartenstrasse 9 64289 Darmstadt--------- Tel. 06151 1623569 ------- Fax. 06151 1623305 ---------