This 3 volts Car Adapter circuit is based on a standard LT1074CT switching regulator IC. The schematic shows the LT1074CT used as a positive step-down or ‘buck’ converter. The ‘switcher’ is used to convert a +12-volt car battery voltage down to +3 volts for use with the personal hi-fi’s and handheld games for the author’s [...]
Here is circuit power supply switching 12V. For Car PSU use IC UC3843 and mosfet IRFZ44N. It is nice circuit for electronics PC MP3 Player. System control by digital circuit IC 74LS02 The next version will be much like the V2, except for a few changes: * Added a trimmer (R13) to the R8/R9 voltage [...]
Adapter for Experimenter, Dual for Digital and Analog Supply 5V and 9V This circuit this from ‘Electronic Project’ Magazine, Vol-4, published by: EFY Enterprises Pvt. Ltd., New Delhi, 1995. Related Links More circuit Car Adapter Regulator 5V,6V,9V,12V 1A By IC 7805,7806,7809,7812 12V to 16V DC/DC Converter with LM2577 More circuit about switching power supply SG3525 [...]
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