Linear voltage regulator in series pass transistor

Q.  Which type of voltage regulator exhibits an excessive power dissipation in a series pass transistor?
- Published on 25 Sep 15

a. Linear
b. Switching
c. Both a and b
d. None of the above

ANSWER: Linear

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    Discussion

  • Satyawati Patil   -Posted on 06 Oct 15
    Depending on the functional capabilities, voltage regulators are generally classified into linear regulators and switching regulators. Linear voltage regulators are the simplest form of voltage regulators in which power dissipation is upto the greater extent especially in series pass transistor.

    On the contrary, the series pass transistor behaves as a switch in switching voltage regulator. In addition to this, it also exhibits lower level of power dissipation.

    Among the category of linear voltage regulators, the fixed voltage regulator delivers fixed output voltage and also can be programmed as per the required level.

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