From: jl@glen--canyon.com   
      
   On Wed, 18 Feb 2026 22:12:12 -0000 (UTC), Phil Hobbs   
    wrote:   
      
   >Is generally the pits.   
   >   
   >Anybody got a fave negative regulator with decent PSR?  I need a few rails   
   >at no more than 150 mA, and the landscape is bleak.   
   >   
   >The 337-style ones seem to rule the roost, and they stink.   
   >   
   >I’m thinking of using TCA0372s, but they don’t have a PSR spec at all.   
   >   
   >Cheers   
   >   
   >Phil Hobbs   
      
   TPS723xx claims ultra low noise and high PSRR.   
      
   I like to put an RC at the input of a lin reg. That improves hf psrr,   
   shares some power dissipation, and gives me a way to measure the   
   current.   
      
   I like to bypass the top resistor in a feedback divider too.   
      
      
   John Larkin   
   Highland Tech Glen Canyon Design Center   
   Lunatic Fringe Electronics   
      
   --- SoupGate-Win32 v1.05   
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