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Message: <blockquote data-quote="Sachin" data-source="post: 2747638" data-attributes="member: 255557"><p>I want to make a mobile charger to charge my phone which requires max 4.2 V and 418 mA. I want to supply dc voltage of about 5-10V ( It can be less or more then that values, i don't really know exact voltage because I want to use a dynamo for input). The voltage can be very high due to high speed so it should have protection against such matter. Can anyone give me a circuit diagram of a voltage regulator which can work in condition mentioned above.</p></blockquote><p></p>