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Does the MOSFET gate need a high voltage in order to turn on the MOSFET as well?

What is the difference of high and low side of MOSFET? Is there any effect?

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  • \$\begingroup\$ I think your question relates to the use of a N-mosfet as a high side switch (controlling the positive side of the load). If that is the case refer to this reply for the problems it introduces. \$\endgroup\$
    – alexan_e
    Commented Mar 16, 2014 at 16:05

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High-side switching is when the load is between the drain and the supply, low-side switching is when the load is between the source and ground.

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