[time-nuts] Low Drop Out Voltage Regulator
Didier Juges
didier at cox.net
Fri Mar 9 02:59:47 EST 2007
Linear Technology LT1170
It's an integrated switcher, you need an inductor and a schottky diode
(and a couple of capacitors and resistors) but it will run with a small
heat sink and will help extend battery life.
It's available in several packages, I prefer the modified TO-220 (5 pins)
The LT1070 has a 0.15 ohm on-resistance switch, so your voltage drop
will be 0.3V in the switch, 0.4V or so in the schottky (or less) and
whatever resistive losses in the inductor and wiring.
Didier KO4BB
Brian Kirby wrote:
> Can anybody recommend a low drop out voltage regulator that will work
> with a 2 volt input differential, and a output of 22 volts at 2 amps ?
>
> What I have in mind is a 28 volt DC power supply, and 24 volt batteries,
> and a rubidium oscillator that will run at 22 volts.
>
> Brian N4FMN
>
>
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