When switch(SW) is closed(ON), the inductor(coil) comes in parallel with input voltage(Vi)and a small current suppose I starts flowing the magnitude of this current increases slowly slowly and after some time the value of I achieves its maximum value This increasing current creates an increasing magnetic flux(Changing Magnetic Flux) around the inductor and according TO first law of Faraday any change in magnetic Flux produces an induced EMF in the circuit(in this case an inductor).and once again according to the second law of Faraday the polarity of this Induced EMF is opposite to input Voltage(Vin). Vout is the output voltage of the circuit. Vi is the input voltage for the circuit and for my circuit the input voltage ranges from 4V to 5V. This electronic circuit consists of five passive electronic components. You can adjust the output voltage according to your necessity But the second thing that you need to keep in your mind is that you can't connect a DC Load than draws more current. This electronic circuit that I am going to introduce is known as 'Boost Converter' or 'Step-up Converter' or 'DC to DC Converter' or SMPS(switch mode power supply), it does not matter however you want to call it The job of this circuit is to Step up the low DC Voltage to a high DC voltage efficiently But there is a thing that you need to keep in your mind is that this circuit can only step up DC voltage not AC but in Case of AC voltage you can use a Step up transformer to step up the AC voltage but This is an another subject to discuss on The boost converter that I am going to design in this project or episode, operates on 4V - 5V DC and output voltage can be adjusted from 5V to 30V. If using this material on another site, please provide a link back to my site.Today in this episode of Arduino projects I am going to introduce you with a new electronic circuit. Web site Copyright Lewis Loflin, All rights reserved.
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