Electronics > Projects, Designs, and Technical Stuff
voltage regulator with crazy specs: drop max 50mV, Vout = 2V, startup at 0.7V
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magic:
I found it at TME.

By the way, has anyone ever seen a P channel depletion MOSFET?
tatus1969:

--- Quote from: magic on August 14, 2019, 04:43:58 pm ---I found it at TME.

--- End quote ---
AFAIK that's not an authorized IXYS distributor, and my EMS won't buy from there either  ;)
David Hess:
I would consider the LM10 or more modern LT1635 as a control element.
tatus1969:

--- Quote from: David Hess on August 14, 2019, 08:40:04 pm ---I would consider the LM10 or more modern LT1635 as a control element.

--- End quote ---
Interesting component, but overdone in this case. The preregulator just needs to deliver "enough, but not too much"  :)

Working on the layout now, I'll post updates once it works.
tatus1969:
Finished the layout and ordered a few sample PCBs. If (*if*) it works then this will be the first (?) ideal diode module that works with zero output voltage (e.g. a short, or an empty ultracapacitor)  8) Thanks for your help guys!
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