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A voltage doubling charge pump and an inverting charge pump both followed by LDO regulators, nice options for using a single or two lithium ion batteries and get the voltage you need. I have been experimenting with this regulator. New and a little high in cost but it solves the battery problem.
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A voltage doubling charge pump and an inverting charge pump both followed by LDO regulators, nice options for using a single or two lithium ion batteries and get the voltage you need. I have been experimenting with this regulator. New and a little high in cost but it solves the battery problem. -
They make a handful of interesting and useful regulators in the LT30xx range too. -
That looks interesting.
The max232 or equivalent can make a poor man's version. Input +5v and get +/- 10v output, ignore the RX/TX pins.
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