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L7818CV-DG

Name: L7818CV-DG
Rating: 4.7 (12 reviews)

IC REG LINEAR 18V 1.5A TO220

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規格

Part Status	Obsolete
Output Configuration	Positive
Output Type	Fixed
Number of Regulators	1
Voltage - Input (Max)	35V
Voltage - Output (Min/Fixed)	18V
Voltage Dropout (Max)	2V @ 1A (Typ)
Current - Output	1.5A
Current - Quiescent (Iq)	8 mA
PSRR	53dB (120Hz)
Protection Features	Over Temperature, Short Circuit
Operating Temperature	0°C ~ 125°C
Mounting Type	Through Hole
Package / Case	TO-220-3
Supplier Device Package	TO-220
Base Product Number	L7818

概述

Description

The L7818CV-DG is a linear voltage regulator designed to provide a stable output voltage of 18V. It is part of the L78xx series and is widely used in various electronic applications, such as power supplies for circuits and devices. This regulator can handle input voltage levels up to 35V and delivers a maximum output current of 1.5A.
Key features of the L7818CV-DG include thermal overload protection, short-circuit protection, and safe operating areas to prevent damage. It typically comes in a TO-220 package, making it suitable for heat dissipation in high-power applications. The device is easy to use with minimal external components, usually requiring only input and output capacitors for stability.
The L7818CV-DG is ideal for use in consumer electronics, industrial equipment, and automotive applications, providing a reliable power supply solution. Its simplicity and effectiveness make it a popular choice among engineers and hobbyists alike.

Features

The L7818CV-DG is a voltage regulator that provides a stable output voltage of 18V. Key features include:
1. Output Current: Capable of supplying up to 1.5A of output current.
2. Input Voltage Range: Accepts a wide input voltage range, typically up to 35V.
3. Thermal Overload Protection: Incorporates thermal shutdown to prevent overheating.
4. Short Circuit Protection: Provides short circuit protection to safeguard the device and connected loads.
5. Voltage Stability: Offers good load and line regulation, ensuring consistent output voltage.
6. TO-220 Package: Available in a TO-220 package, facilitating easy heat dissipation and mounting.
7. Low Dropout Voltage: Features a low dropout voltage, making it effective in low input-output voltage scenarios.
This makes the L7818CV-DG suitable for various applications, including power supplies and voltage regulation in electronic devices.

Package

The L7818CV-DG is packaged in a TO-220 form factor, which is a type of through-hole package commonly used for voltage regulators and power devices, providing good thermal performance and ease of mounting.

Pinout

The L7818CV-DG is a voltage regulator with a pin count of 3. It is designed to provide a fixed output voltage of 18V.
### Pin Functions:
1. Input (Vin): This pin is used to connect the input voltage (typically higher than 18V) that the regulator will convert to a stable 18V output.
2. Ground (GND): This pin is connected to the ground reference of the circuit.
3. Output (Vout): This pin delivers the regulated output voltage of 18V.
The L7818CV-DG is commonly used in various applications requiring a stable voltage supply, such as power supplies and electronic circuits. It has built-in thermal overload and short-circuit protection features for enhanced reliability.

Manufacturer

The L7818CV-DG is a voltage regulator manufactured by STMicroelectronics, a global semiconductor company. STMicroelectronics focuses on designing and manufacturing a wide range of semiconductor products, including analog, digital, and mixed-signal integrated circuits, as well as microcontrollers and sensors. The company serves various industries, including automotive, industrial, consumer electronics, and communications, providing innovative solutions for power management, connectivity, and more. Established in 1987, STMicroelectronics is headquartered in Geneva, Switzerland, and is recognized for its commitment to sustainability and technological advancement in the semiconductor sector.

Application

The L7818CV-DG is a linear voltage regulator that provides a fixed output voltage of 18V. Its application areas include power supply circuits for electronic devices, battery chargers, audio equipment, and general-purpose power management in various electronics. It is commonly used in consumer electronics, industrial equipment, and telecommunications due to its reliability and ease of use.

Equivalent

The L7818CV-DG is a voltage regulator that provides a fixed output of 18V. Equivalent products include the LM7818, L78S18, and LM7818CT. These alternatives may vary in package type and specifications, so it's important to check the datasheets for specific requirements such as input voltage range, current rating, and thermal performance.