How to use boost Converter Boost

Editor to share with you how to use the boost converter Boost, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

Working characteristics

The polarity of input and output is the same.

The switch tube MOS and the load form a parallel connection. When the MOS is turned on, the current is filtered through L, and the power supply charges L.

When the MOS is disconnected, L discharges to the load and power supply, and the output voltage will be Ui+U L to achieve the purpose of voltage boost.

Input-output relationship

Because the charge and discharge voltages of inductors are equal in steady state, the relationship between input and output voltage is as follows:

Ui*t_on= (Uo-Ui) * t_off = > Uo/Ui=t_off/ (t_on+t_off)

Duty cycle D=ton/ (ton+toff) = > Uo/Ui=1/ (1murd)

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