3-volts Car Adapter by LT1074
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This circuit is based on a standard LT1074CT switching regulator IC. For sure, Application Note AN35 published by Linear Technology describes the design far more elegantly than the author could in this short article. Interested readers are therefore strongly advised to get a copy of AN35.The schematic shows the LT1074CT used as a positive step-down or ‘buck’ converter.
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Read More Source:
http://www.elektor.com/magazines/2000/july/3-volts-car-adapter.55866.lynkx
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