Sujet : Re: UCC33420 dc/dc converter eval
De : pcdhSpamMeSenseless (at) *nospam* electrooptical.net (Phil Hobbs)
Groupes : sci.electronics.designDate : 10. Apr 2025, 00:45:23
Autres entêtes
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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.
Yikes, what a piece of junk. Small maybe, but lots of parts needed for
cleanup.
What does it do to the input rail?
Cheers
Phil Hobbs
-- Dr Philip C D Hobbs Principal Consultant ElectroOptical Innovations LLC /Hobbs ElectroOptics Optics, Electro-optics, Photonics, Analog Electronics 
UCC33420 dc/dc converter eval
Re: UCC33420 dc/dc converter eval