What is LM7812 IC and What are its Applications?

Hi, readers welcome to the new post. In this post, we will learn What is LM7812 IC.LM7812 belongs to the LM78XX which is normally used in different categories of projects and electronic devices. Its output volts are twelve volts of constant value and input given at these modules has a value of 14.5 to twenty-seven volts dc.

It is also known as a fixed output volts provider Integrated circuit. Here we have an overview of its working, application, and other parameters. So let’s get started.

Introduction to LM7812 IC

• LM7812 is a positive voltage regulator IC part of the LM78xx series and comes in the TO-220 package.
• The voltage regulator comes with synchronous rectification and also provides a larger frequency response. The voltage regulator IC provides fixed 12 Votls output and the input voltage must be 14 to 35 volts since 35 is a high input voltage that easily handles
• This IC is made for providing fixed O/O but the output can varied with the use of 2  external resistors with output.
• It can handle loads of about 1A to 1.5A..

 

LM7812 Pinout

• There are three main pinouts it has listed here.
• IN: Here input of positive polarity is provided.
• Out: From this pinout, output is taken.
• GND: Here ground is linked.

LM7812 Features

• The main features of LM7812 are explained here in detail.
• Its low standby current value is eight ampers
• Its extreme input supply volts value is thirty-five volts dc
• Output volts are twelve volts
• It employed in different electronic circuits and projects
• It is a less expensive device
• If get overheats then stop the operation
• The value of its output current is 1.5A
• Comes in TO-220 packaging

LM7812 IC Basics

• It is an 8-bit controller that has features to control LED. 6 banks of 6+1 control logic, which makes it quite simple to program and use.

What is the input voltage of LM7812?

• LM7812 is IC has a hs 12 VDC with an input voltage of 14.5 to 27VDC

LM7812 12V DC Power Supply Circuit

• Here 12V DC power supply through a 7812 Voltage regulator is created. The main components of his project are listed here
• INput supply 14 to 35V
• Capacitors
• LM7812
• Heat Sink
• Output terminals

2V DC power supply circuit using 7812 IC.

LM7812 voltage regulator Working

LM7812 voltage regulator operated when 14V to 35V input voltae is connected then its output is 12 volts.

DC input voltage is provided at input terminals and output is obtained at output terminals. For accurate working of the regulator input voltage not be higher than 28V.

7812 IC is a linear regulator that loses power and causes heating. if the input value is  15v 0.5 A to 7812 IC then it comes with 12 v 0.5 A of output. Voltage losses will be 3 Volts.

LM7812 Internal Block Diagram

7812 Applications

• It used for dual power supplies
• Mobile phone chargers
• Children toys circuits
• Used in distribution circuits
• Current limiter circuits have this component

Advantages of LM7812 voltage regulator

• it is a low-cost IC
• it has short-circuit control features
• it also comes with overheating shutdown parameters
• It is also used for different devices and has inner thermal overload protection.
• It is not needed to saturate/ balance their o/p voltage.
• Its designs easy process
• it has high-temperature tolerance

What is the purpose of LM7812?

• LM7812 is a linear voltage regulator that produces 12 volts. This voltage regulator has a simple structure so easily used and does not need additional circuits or any device to operate

How to Safely Long Run in a Circuit

• For proper working, LM7812 is used to operate a load not higher than 1.5. Use the heatsink and check pinout before the connection. Do not use it in temperatures less than zero degrees or more than  +125 degrees Celsius and always store in temperatures above -65 degrees Celsius and below +150 degrees Celsius.

What is the maximum input current for LM7812?

• This fixed voltage regulator can provide 12 volts and 1amper curent with an input voltage range of 14 to 35 volts

Can LM317 increase the voltage?

• The output voltage of 7812 regulators can be varied from 1.25 to 35 volts.