L7818CV-DG

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L7818CV-DG

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IC REG LINEAR 18V 1.5A TO220

  • FabricanteSTMicroeletrônica

  • Peça do Fabricante #L7818CV-DG

  • Em Estoque4722

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Especificações

Atributo Valor
PartStatus Obsolete
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 1
Voltage-Input(Max) 35V
Voltage-Output(Min/Fixed) 18V
VoltageDropout(Max) 2V @ 1A (Typ)
Current-Output 1.5A
Current-Quiescent(Iq) 8 mA
PSRR 53dB (120Hz)
ProtectionFeatures Over Temperature, Short Circuit
OperatingTemperature 0°C ~ 125°C
MountingType Through Hole
Package/Case TO-220-3
SupplierDevicePackage TO-220
BaseProductNumber L7818

Visão Geral

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 of voltage regulators, which are known for their robust performance and ease of use in electronic circuits. The L7818CV-DG typically features an input voltage range of 20V to 35V, allowing it to accommodate various power supply configurations.
It can deliver a maximum output current of 1.5A, making it suitable for low to moderate power applications. The device includes built-in thermal overload protection, short-circuit protection, and safe operating area (SOA) protection, enhancing its reliability and durability.
The regulator requires minimal external components, usually just input and output capacitors, to ensure stability and transient response. It is commonly used in power supply circuits for audio equipment, microcontrollers, and other electronic devices requiring a consistent 18V supply.
Overall, the L7818CV-DG is a versatile and efficient solution for voltage regulation in various electronic applications.

Equivalent

The L7818CV-DG is a voltage regulator that provides a fixed output of 18V. Equivalent products include the LM7818, LT1086-18, MC7818, and LM317 (adjustable, requires external resistors for fixed output). These alternatives may have similar specifications but can differ in terms of dropout voltage, thermal performance, and package types. Always check the datasheet for specific requirements and compatibility.

Features

The L7818CV-DG is a voltage regulator that provides a fixed output voltage of 18V. Key features include:
1. Input Voltage Range: Accepts input voltages up to 35V, allowing for a wide range of applications.
2. Output Current: Capable of delivering up to 1.5A of output current, making it suitable for various power requirements.
3. Thermal Overload Protection: Equipped with built-in thermal shutdown to prevent overheating and damage.
4. Short Circuit Protection: Includes internal current limiting to protect against short circuits.
5. Low Dropout Voltage: Offers efficient performance with a low dropout voltage, enhancing reliability.
6. TO-220 Package: Housed in a robust TO-220 package for easy mounting and heat dissipation.
7. Applications: Commonly used in power supplies, battery chargers, and industrial applications.
Overall, the L7818CV-DG is a reliable choice for providing stable voltage regulation in various electronic circuits.

Pinout

The L7818CV-DG is a voltage regulator with a 3-pin configuration. Its pin count and functions are as follows:
1. Input (Vin): This pin receives the input voltage, which must be higher than the output voltage by a certain margin, typically by at least 2 volts.
2. Ground (GND): This pin is the common ground reference for the voltage regulator.
3. Output (Vout): This pin provides a regulated output voltage of +18V.
The L7818CV-DG is part of the L78xx series of linear voltage regulators, designed to provide a stable output voltage for various applications. It features thermal overload protection, short-circuit protection, and allows for output currents up to 1.5A.

Manufacturer

The L7818CV-DG is manufactured by STMicroelectronics, a global semiconductor company. STMicroelectronics designs and produces a wide range of electronic components, including microcontrollers, sensors, and power management devices. The company is known for its innovation in the semiconductor industry and serves various markets, including automotive, industrial, personal electronics, and communication. Founded in 1987 through the merger of two companies, STMicroelectronics has established itself as a leader in the field, emphasizing sustainability and technological advancement in its products. The L7818CV-DG specifically is a voltage regulator that provides a stable output voltage of 18V, commonly used in various electronic applications to ensure reliable power supply.

Application

The L7818CV-DG is a voltage regulator primarily used in various electronic applications to provide a stable 18V output. Its common application areas include power supply circuits for audio equipment, industrial control systems, and telecommunications devices. It is also employed in embedded systems, battery-powered devices, and any electronic projects requiring regulated voltage for microcontrollers and sensors. Additionally, it can be used in combination with other power management components to create robust power supply designs. Its ease of use and reliability make it suitable for both hobbyist and professional applications.

Package

The L7818CV-DG is typically packaged in a TO-220 form factor. This package type features three pins and is designed for efficient heat dissipation, making it suitable for voltage regulation applications.

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