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HomeCommunitySubjectLM7824 Voltage Regulator: 24V Voltage Regulator, Datasheet, Equivalent, Circuit

LM7824 Voltage Regulator: 24V Voltage Regulator, Datasheet, Equivalent, Circuit

PMIC - Voltage Regulators - Linear TO-220-3 -40°C~125°C LM7824 4 % Over Temperature, Short Circuit 67dB (120Hz) 8mA IC REG LINEAR 24V 1A TO220-3

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Dec 3, 2021

Jay Yule

How to Test Positive voltage Regulator#LM7805#LM7812#LM7824 ?

 

PMIC - Voltage Regulators - Linear TO-220-3 -40°C~125°C LM7824 4 % Over Temperature, Short Circuit 67dB (120Hz) 8mA IC REG LINEAR 24V 1A TO220-3

LM7824 is a fixed-voltage integrated-circuit voltage regulator. This post will unlock its datasheet, equivalent, circuit and more details about LM7824. Welcome your RFQ!

LM7824CT

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LM7824 Overview

The LM7824 is a fixed-voltage integrated-circuit voltage regulator that can be used in a variety of situations. The LM7824 voltage regulator provides a simple power source for most TTL components by providing a 24V positive voltage output. Although it is intended to be used as a fixed voltage regulator, it can also be utilized with external components to provide variable voltage.

In electronic circuits, voltage regulators are fairly prevalent. For a variable input voltage, they offer a constant output voltage. The designation 7824 has two meanings: "78" indicates that it is a positive voltage regulator, and "24" indicates that it outputs 24V. As a result, our 7824 will produce a voltage of +24V.
This IC has a maximum output current of 1.5A. However, because the IC loses a lot of heat, a  Heat Sink is advised for projects that use a lot of currents. For example, if the input voltage is 35V and you're using 1A, you'll need 30W (35-5) * 1. These 30 watts will be converted to heat and dispersed.

LM7824 Pinout

LM7824 Pinout

 

Pin Number

Pin Name

Description

1

Input (V+)

Unregulated Input Voltage

2

Ground

Connected to Ground

3

Output (Vo)

Outputs Regulated +24V

LM7824 CAD Model

LM7824 Symbol

 

LM7824 Footprint

 

LM7824 3D Model

LM7824 Feature

  • 24V Positive Voltage Regulator

  • The minimum Input Voltage is 33V

  • The maximum Input Voltage is 40V

  • Output Current: 1.5 A

  • Internal Thermal Overload and Short circuit current limiting protections are available.

  • Junction Temperature maximum of 125 degrees Celsius

  • Available in TO-220, TO-3 and KTE package

 

LM7824 Application

  • Use in constant +24V output regulator to power microcontrollers and sensors in most of the projects

  • Use in adjustable Output Regulator

  • Use in current Limiter for certain applications

  • Use in regulated Dual Supply

  • Use in output Polarity-Reversal-Protection Circuit

LM7824 Equivalent

The equivalent for LM7824:

  • LM7806

  • LM7809 

  • LM7815

  • LM7812

  • LM317

  • LM7905

  • LM7912

LM7824 as +24V Voltage Regulator

LM7824 Circuit

This is an example of a 7824 IC application circuit. To make this IC work, we only need two capacitors with values of 0.33uF and 0.1uF. The input capacitor is a 0.33uF ceramic capacitor that solves the input inductance problem, and the output capacitor is a 0.1uF ceramic capacitor that improves the circuit's stability. To work properly, these capacitors should be placed close to the terminals. They should also be ceramic capacitors, as ceramic capacitors are faster than electrolytic capacitors.

 

Specifications

ON Semiconductor LM7824CT technical specifications, attributes, parameters and parts with similar specifications to ON Semiconductor LM7824CT.

LM7824CT Tech Specifications

ON Semiconductor LM7824CT technical specifications, attributes, parameters and parts with similar specifications to ON Semiconductor LM7824CT.

Product Attribute Attribute Value
MountThrough Hole
Mounting TypeThrough Hole
Package / CaseTO-220-3
Number of Pins3Pins
Weight1.214g
Operating Temperature-40°C~125°C
PackagingTube
Published2014
JESD-609 Codee3
Pbfree Codeyes
Part StatusObsolete
Moisture Sensitivity Level (MSL)1 (Unlimited)
Number of Terminations3Terminations
ECCN CodeEAR99
Terminal FinishTin (Sn)
Packing MethodRAIL
Product Attribute Attribute Value
Terminal PositionSINGLE
Number of Functions1Function
Terminal Pitch2.54mm
Base Part NumberLM7824
Number of Outputs1Output
Voltage - Input (Max)40V
Output Voltage24V
Output TypeFixed
Max Output Current1A
Output ConfigurationPositive
Quiescent Current8mA
Accuracy4 %
Output Voltage 124V
Number of Regulators1Regulator
Min Input Voltage27V
Protection FeaturesOver Temperature, Short Circuit
Product Attribute Attribute Value
Voltage Dropout (Max)2V @ 1A Typ
PSRR67dB (120Hz)
Dropout Voltage2V
Dropout Voltage1-Nom2V
Power Supply Rejection Ratio (PSRR)67dB
Voltage Tolerance-Max5.2%
Nominal Output Voltage24V
Output Voltage Accuracy4 %
Height16.51mm
Length10.67mm
Width4.83mm
REACH SVHCNo SVHC
Radiation HardeningNo
RoHS StatusRoHS Compliant
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LM7824 Package

LM7824 Package

LM7824 Manufacturer

ON Semiconductor (Nasdaq: ON) is driving energy efficient innovations, empowering customers to reduce global energy use. The company offers a comprehensive portfolio of energy-efficient power and signal management, logic, discrete and custom solutions to help design engineers solve their unique design challenges in automotive, communications, computing, consumer, industrial, LED lighting, medical, military/aerospace and power supply applications. ON Semiconductor operates a responsive, reliable, world-class supply chain and quality program, and a network of manufacturing facilities, sales offices and design centres in key markets throughout North America, Europe, and the Asia Pacific regions.

Datasheet PDF

LM7824CT Documents

Download datasheets and manufacturer documentation for LM7824CT

Frequently Asked Questions

What is a voltage regulator?
voltage regulator, any electrical or electronic device that maintains the voltage of a power source within acceptable limits. The voltage regulator is needed to keep voltages within the prescribed range that can be tolerated by the electrical equipment using that voltage.
What will be the nature and magnitude of output voltage using IC 7824 in a power supply?
The IC belongs to a 78xx voltage regulator family which is commonly used as the regulated power supply in electronic circuits. ... The 7824 Voltage regulators do operate at their optimal capability if the input voltage is at least 2.5 volts greater than the output voltage and the current is 1 or 1.5 Amperes more.
What does the LM7824 voltage regulator provide a simple power source for most TTL components?
24V positive voltage output.
What is the maximum output current of the LM7824?
1.5A.
What is the term for a positive voltage regulator?
7824.
What do voltage regulators offer for a variable input voltage?
Constant output voltage.
FAQ
What is a voltage regulator?
voltage regulator, any electrical or electronic device that maintains the voltage of a power source within acceptable limits. The voltage regulator is needed to keep voltages within the prescribed range that can be tolerated by the electrical equipment using that voltage.
What will be the nature and magnitude of output voltage using IC 7824 in a power supply?
The IC belongs to a 78xx voltage regulator family which is commonly used as the regulated power supply in electronic circuits. ... The 7824 Voltage regulators do operate at their optimal capability if the input voltage is at least 2.5 volts greater than the output voltage and the current is 1 or 1.5 Amperes more.
What does the LM7824 voltage regulator provide a simple power source for most TTL components?
24V positive voltage output.
What is the maximum output current of the LM7824?
1.5A.
What is the term for a positive voltage regulator?
7824.
What do voltage regulators offer for a variable input voltage?
Constant output voltage.

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