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antedeluvian
antedeluvian
2/6/2017 9:29:59 AM
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TI Applications
An associated TI blog is "The top three ways to split a voltage rail to a bipolar supply". Two of the three ways discussed are inductorless and reinforce the ideas I described.

Also interesting are the two app notes referred to at the bottom of the blog (repeated here)

 "The forgotten converter."

"virtual ground circuits."

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antedeluvian
antedeluvian
11/18/2016 2:56:46 PM
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LTC3256
And then there is the LTC3256 step down charge pump which takes a 5.5V to 38V input and produces 5V/100mA and 3.3V/250mA

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