GATE (Graduate Aptitude Test in Engineering) Electronics & CE (EC) Analog Circuits-Power Supplies Study Material (Page 1 of 1)

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Voltage Regulated IC՚s and Regulated Power Supply: Regulated Power Supply, the Regulated Power Supply Are Categories of Two Types, Linear Shunt Transistor Voltage Regulator, Voltage Regulated ICs

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  • The Regulated power supply are essential for most the electrical and electronics applications.
  • The Regulated power supply is an integrated circuit system which gives regulated dc output voltage with ripple free.
  • In the case of rectifier circuit where it plays a vital role.
  • The …

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Voltage Regulaterd ICS and Regulated Power Supply: Types of Voltage Regulator ICs, Variable Voltage Regulator, Applications of Regulated Power Supply- Fixed Voltage Regulators, Operation, IC LM 317 Regulator, Construction and Operation

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Types of Voltage Regulator ICs

There are two types of the ICs regulated power supply, they are,

Fixed Voltage Regulators

  • It gives the constant voltage which is again sub- divided into two types
    • Positive voltage regulators (IC 78xx)
    • Negative voltage regulators (IC 79xx)

Positive Voltage Regulator (IC 7805)

PIN DIAGRAM

LM 7805 Pinout Diagram

CIRCUIT DIAGRAM OF IC 7805

Circuit Diagram of IC 7805

Operation

  • The positive voltage regulator has three terminals, namely
    • First terminal (input) – the voltage (unregulated voltage) th…

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