LM7812 – Voltage Regulator

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7812 voltage regulator

7812 is a voltage regulator integrated circuit ( 7812 voltage regulator ).

 It is a member of 78xx series of fixed linear voltage regulator ICs.

 The voltage source in a circuit may have fluctuations and would not give the fixed voltage output.

Description

7812 – Voltage Regulator

7812 is a voltage regulator integrated circuit ( 7812 voltage regulator ).

 It is a member of 78xx series of fixed linear voltage regulator ICs.

 The voltage source in a circuit may have fluctuations and would not give the fixed voltage output.

The 7812 voltage regulator IC maintains the output voltage at a constant value.

The xx in 78xx indicates the fixed output voltage it is designed to provide.

7812 provides +12V regulated power supply.

Capacitors of suitable values can be connected at input and output pins depending upon the respective voltage levels.

7812 – Voltage Regulator

A regulator power supply is very much essential for several electronic devices due to the semiconductor material employed in them have a fixed rate of current as well as voltage.

The device may get damaged if there is any deviation from the fixed rate.

The AC power supply gets converted into constant DC by this circuit.

 With the help of a voltage regulator DC, an unregulated output will be fixed to a constant voltage.

The circuit is made up of linear voltage regulator 7805 along with capacitors and resistors with bridge rectifier made up from diodes.

 From giving an unchanging voltage supply to building confident that output reaches uninterrupted to the appliance, the diodes along with capacitors handle elevated efficient signal conveyed.

ICs regulator is mainly used in the circuit to maintain the exact voltage which is followed by the power supply.

 A regulator is mainly employed with the capacitor connected in parallel to the input terminal and the output terminal of the IC regulator.

 For the checking of gigantic alterations in the input as well as in the output filter, capacitors are used.

While the bypass capacitors are used to check the small period spikes on the input and output level.

Bypass capacitors are mainly of small values that are used to bypass the small period pulses straightly into the Earth.

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