LM7805ACT

Name: LM7805ACT
Brand: Onsemi
Availability: InStock
Rating: 4.5 (10 reviews)
Author: Lisleapex

LM7805ACT: 3-Terminal Linear Voltage Regulator with 1A Output and 2% Tolerance

6,207 Effective Inventory

LM7805ACT

Effective Inventory6,207

LM7805ACT: 3-Terminal Linear Voltage Regulator with 1A Output and 2% Tolerance

Manufacturer Part # : LM7805ACT
Package/Case: TO-220-3
Part Status : Active
Brand: Onsemi
Product Categories : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
Series : LM7805

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LM7805ACT DataSheet

Pricing (USD)

Quantity	Unit Price	Ext. Price
1	$0.488	$0.49
200	$0.189	$37.80
500	$0.183	$91.50
1000	$0.180	$180.00

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

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LM7805ACT Details

The LM7805ACT is a low-dropout regulator from ON Semiconductor, designed for reliable and efficient voltage regulation in various applications. This device features thermal overload protection and short-circuit protection, making it suitable for powering devices requiring 5V DC supply.

Pinout

(none): N/A (single-pin package)

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

Low-Dropout Regulator: Suitable for a wide range of input voltages and current requirements.
Thermal Overload Protection: Prevents damage from excessive heat generation).
Short-Circuit Protection: Protects the device from damage due to short-circuits.

Applications

Data Centers: Power distribution and voltage regulation in data centers and servers.
Industrial Automation: Voltage regulation for industrial automation systems and equipment.
Aerospace: Spacecraft and aircraft power systems requiring reliable and efficient voltage regulation.

Where to Use

The LM7805ACT is suitable for any application where a reliable 5V DC supply is required, such as data centers, industrial automation systems, and aerospace applications. It is ideal for situations where thermal overload protection and short-circuit protection are crucial.

How to Use

Connect the LM7805ACT to a power source and load it with a capacitor to stabilize the output voltage. Ensure proper heat sinking for efficient operation. For detailed usage instructions, refer to the datasheet.

Application Circuit

The application circuit diagram for the LM7805ACT provides an example of how to connect the regulator with a load capacitor and heat sink for optimal performance.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

LDO5V0-1.2W: A similar low-dropout regulator from other manufacturers offering comparable features and performance.
NCP1404L: Another LDO regulator with equivalent functionality and specifications.

Complementary

The LM7805ACT can be complemented by other ON Semiconductor regulators, such as the LM324 or LM833, which offer additional features and configurations for specific applications.

When selecting complementary regulators, ensure that their features and specifications align with your specific application requirements for optimal performance and compatibility.

Frequently Asked Questions

Q: What is the maximum input voltage for the LM7805ACT?

A: The LM7805ACT can tolerate an input voltage up to 38V. For more details, refer to the datasheet for specific operating conditions and limitations.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category !	Linear Voltage Regulators	RoHS	Details
Mounting Style	Through Hole	Package / Case	TO-220-3
Number of Outputs	1 Output	Polarity	Positive
Output Voltage	5 V	Output Current !	1 A
Output Type	Fixed	Input Voltage, Min	7.5 V
Input Voltage, Max	20 V	Minimum Operating Temperature	0 C
Maximum Operating Temperature !	+ 125 C	Load Regulation !	100 mV
Line Regulation !	50 mV	Series	LM7805A
Brand	onsemi / Fairchild	Product Type !	Linear Voltage Regulators
PSRR / Ripple Rejection - Typ	68 dB	Factory Pack Quantity	50
Subcategory	PMIC - Power Management ICs	Unit Weight	0.042823 oz

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification LM7805ACT PDF Download

FAQs

What is LM7805ACT?

The LM7805ACT is a linear voltage regulator IC from the LM78xx series manufactured by Texas Instruments. It is a 3-terminal device that provides a fixed 5V output voltage from a higher input voltage.

How Does LM7805ACT Work?

The LM7805ACT works by regulating the input voltage to a stable 5V output voltage. It uses a series pass transistor to control the output voltage and provide a constant, regulated power supply for various electronics circuits and components.

How Many Pins does LM7805ACT have and What are the Functions of the Pinout Configuration?

The LM7805ACT is housed in a TO-220 package with three pins:

Input (Vin): Pin 1, which receives the unregulated input voltage.
Ground (GND): Pin 2, for the ground reference connection.
Output (Vout): Pin 3, which provides the regulated 5V output voltage.

What are the Pros and Cons of LM7805ACT?

Pros:

Simple Design: Easy to use with minimal external components required.
Stable Output: Provides a stable 5V output voltage even with input voltage fluctuations.
Widely Available: Commonly used and readily available in the market.
Overcurrent Protection: Some variants come with built-in overcurrent protection.
Cost-Effective: Offers a cost-effective solution for voltage regulation.

Cons:

Heat Dissipation: May require a heat sink for better thermal management, especially for high current applications.
Fixed Output Voltage: Output voltage is fixed at 5V and not adjustable.
Limited Current: Limited maximum output current compared to some other regulators.

Are There Any Equivalents/Alternatives to LM7805ACT for Recommendation?

The LM2940 from Texas Instruments is a low dropout regulator with similar functionality.
Alternatives to the LM7805ACT include the MC7805 from ON Semiconductor and the UA7805 from STMicroelectronics.