> What I need is a regulator that gives me 5 volts out for 4 to 6 volts
> in. Output current less than 300 mA. When it's off, output needs to be
> off and input drain no more than a few tens of microamps.
>=20
> The MAX710 has a boost regulator followed by a linear low dropout
> regulator. For my purposes it has been more efficient and no more
> expensive than a SEPIC converter when you consider the extra inductor or
> clever transformer plus extra capacitor.
>=20
> I'm open for two-chip ideas, too.
>=20
> If anyone has found a good solution, "I'm all ears".
>=20
> Thanks.
>=20
> Bob
>=20

If you can switch from 5V logic to 3.3V or 3V logic you only need an LDO wi=
th=20
low shut down current.=20

/Ruben
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D
Ruben J=F6nsson
AB Liros Electronic
Box 9124, 200 39 Malm=F6, Sweden
TEL INT +46 40142078
FAX INT +46 40947388
ruben@pp.sbbs.se
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D

--=20
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