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Zener voltage regulator circuit diagram. Build the Zener voltage regulator circuit in Figure 1. using the corresponding resistor values. The source resistor (RS) is a current limiting resistor to protect the Zener diode when there is no load attached to the circuit.
The Zener diode has three regions of operations. Each region has it own approximation model. It can be used as a part of protection circuit or as a voltage regulator. The use of the Zener diode as a regulator is so common that three conditions surrounding the analysis of the basic Zener regulator are considered: Fixed load and xed supply voltage.
Zener Diode As A Voltage Regulator. A voltage regulator is an electronic circuit that provides a stable DC voltage independent of the load current, temperature and AC line voltage variations.
In this lecture, we will discuss the use of Zener diode as voltage regulators, diode as recti ers, and as clamping circuits. 1 Zener Diodes In the reverse bias operation, a Zener diode displays a voltage breakdown where the current rapidly increases within a small range of voltage change. This prop-
Setting up a power supply using a Zener Diode as Voltage Regulator. 1 Objectives. To set up a power supply using a Zener diode as a voltage regulator and to calculate percentage of regulation. 2 Circuit components/equipment. A Zener diode. Resistor (value 1 k to 5 k ) Breadboard. Capacitor. Multimeters. Connecting wire. 3 Theory.
By using a wide-tolerance voltage reference like the 2% LM4040E from TI, you can realize a regulation voltage superior to most voltage regulators at a price lower than a typical voltage regulator and on par with a Zener diode. These devices are also available in small SC70 packages.
The Zener diode has a unique property that offers a simple, low-cost solution to this problem. This application note discusses the implementation of this voltage regulator and its advantages and drawbacks.
