Moises Cambra wrote:

> Bob Axtell wrote:
>
>
>>But you'll have GREAT sucess looking at National, TI, and
>>Linear Technology for step-up switching regulators. I'm using
>>a 1.5V to 5V step-up switcher than works like a charm; but
>>there are so many I won't make a recommendation.
> Which one do you use? Which one not to use?
> If low current is needed, do you have an opinion about using charge
> pumps with capacitors or DC-DC with inductors instead?

I used the LM2703 in SOT23-5. It doesn't go THAT low; I have a 3V (two
alkaline cell) system. What I liked about it was that the OFF current is
infinitesimal. But National and LT both have the same thing for lower
voltages.


> Regards,
> Moises Cambra
>
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--
              --------------
                Bob Axtell
        PIC Hardware & Firmware Dev
          http://beam.to/baxtell
              1-520-219-2363

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