Working Of A Zener Diode

A zener diode can be used for switching purpose because it shows an abrupt. Zener diode working characteristics and application as voltage regulator by ajay kumar zener diode is a special kind of diode which permits the flow of current in the forward direction as well as in reverse direction when the voltage is above a certain voltage known as breakdown or zener voltage.

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Zener diodes are widely used as voltage references and as shunt regulators to regulate the voltage across small circuits.

Working of a zener diode. It is driven by a current source. Working principle of zener diode when a pn junction diode is reverse biased the depletion layer becomes wider. A zener diode work as normal diode if it connected in forward bias.

The diode is named after clarence melvin zener the man who discovered this peculiar effect. The output across the diode will be constant. Regulating the voltage of a circuit is its ability to keep.

A zener diode is a specially designed highly doped pn junction diode. The zener diode can work as a voltage regulator if it is introduced in a circuit. A zener diode typically suffers a breakdown at a marginally lower voltage than a conventional diode does.

This voltage is called the zener voltage. The term regulator means which regulates. Zener diode as voltage regulator.

As we know if the voltage across the diode exceeds a certain value it would draw excessive current from the supply. The diode consists of a special heavily doped p n junction designed to conduct in the reverse direction when a certain specified voltage is reached. A heavily doped semiconductor diode which is designed to operate in reverse direction is known as the zener diode.

By passing a small current through the diode from a voltage source via a suitable current limiting resistor r s the zener diode will conduct sufficient current to maintain a voltage drop of vout. But zener diode also conducts current in reverse bias connection with specified condition. In other words the diode which is specially designed for optimising the breakdown region is known as the zener diode.

A zener diode is a silicon semiconductor device that permits current to flow in either a forward or reverse direction. Zener diode as voltage regulator. Among numerous uses let us discuss some crucial applications of zener diode.

Zener diodes can be used to produce a stabilised voltage output with low ripple under varying load current conditions. This is the working principle of a zener diode. When connected in parallel with a variable voltage source so that it is reverse biased a zener diode conducts when the voltage reaches the diodes reverse breakdown voltage.

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