L78L33ACUTR

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L78L33ACUTR

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IC REG LINEAR 3.3V 100MA SOT89-3

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Spezifikationen

Attribut Wert
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 1
Voltage-Input(Max) 30V
Voltage-Output(Min/Fixed) 3.3V
Current-Output 100mA
Current-Quiescent(Iq) 5.5 mA
Current-Supply(Max) 6 mA
PSRR 49dB (120Hz)
ProtectionFeatures Over Current, Over Temperature, Short Circuit
OperatingTemperature 0°C ~ 125°C
MountingType Surface Mount
Package/Case TO-243AA

Übersicht

Description

The L78L33ACUTR is a low-dropout (LDO) linear voltage regulator, part of the L78Lxx series, designed to provide a stable output voltage with a maximum output current of 100 mA. Specifically, the L78L33ACUTR outputs a fixed voltage of 3.3 volts. It is commonly used in applications requiring a regulated power supply, such as in battery-powered devices, microcontroller systems, and other electronic circuits that need a consistent voltage level for optimal performance.
This device features built-in protection mechanisms, including short-circuit protection, thermal shutdown, and safe area protection, which enhance its reliability and robustness in various operating conditions. The L78L33ACUTR is available in the SOT-89 package, making it suitable for surface-mount applications. Its compact size and high efficiency make it ideal for space-constrained designs.
Overall, the L78L33ACUTR is a versatile component that offers a simple solution for achieving stable 3.3V power supply requirements in electronic devices, ensuring efficient energy use and protection against electrical faults.

Equivalent

The L78L33ACUTR is a fixed voltage regulator providing a 3.3V output. Equivalent products include:
1. LM1117-3.3 by Texas Instruments
2. MC7805CD2TR4G by ON Semiconductor (adjust to 3.3V)
3. NCP1117ST33T3G by ON Semiconductor
4. UA78M33CKVURG3 by Texas Instruments
These alternatives offer similar output voltage and current ratings, suitable for comparable applications. Ensure compatibility by reviewing each component's datasheets.

Features

The L78L33ACUTR is a three-terminal positive voltage regulator from STMicroelectronics, designed to provide a stable 3.3V output with a maximum output current of 100mA. Key features include:
1. Output Voltage: It delivers a fixed 3.3V output.
2. Low Dropout Voltage: Offers a relatively low dropout voltage, ensuring efficient operation.
3. Output Current: Capable of supplying up to 100mA.
4. Thermal Protection: Includes built-in thermal overload protection to prevent damage during overheating.
5. Short Circuit Protection: Provides protection against output short circuits.
6. Low Quiescent Current: Consumes minimal current, enhancing efficiency.
7. Package Options: Available in a SOT-89 package, making it suitable for compact circuit designs.
8. Operating Temperature Range: Typically functions well across a wide temperature range, suitable for various applications.
9. Easy to Use: Requires minimal external components, simplifying circuit design.
These features make it suitable for applications like battery-powered devices, low-power electronics, and other circuits requiring a stable 3.3V power supply.

Pinout

The L78L33ACUTR is a three-terminal positive voltage regulator with a fixed output voltage. It is typically available in a SOT-89 package. The device provides a stable 3.3V output from a higher voltage input, typically in the range of 5V to 30V.
In terms of pin count and function:
1. Pin 1 (Input): This pin receives the input voltage that is to be regulated down to the desired output voltage of 3.3V.
2. Pin 2 (Ground): This pin is connected to the ground reference of the circuit. It's a common ground for both input and output.
3. Pin 3 (Output): This pin provides the regulated 3.3V output voltage to the connected load or circuit.
The L78L33ACUTR is used in various applications where a stable and regulated 3.3V power supply is required. It offers thermal shutdown and current limit protection features, making it suitable for use in many standard electronic devices and circuits.

Manufacturer

The L78L33ACUTR is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a wide range of semiconductor products and solutions. The company serves various sectors including automotive, industrial, personal electronics, communications equipment, and Internet of Things (IoT) applications. STMicroelectronics is known for its innovation and commitment to sustainability, providing technologies that enable smarter and more efficient electronic systems.

Application

The L78L33ACUTR is a low-dropout (LDO) voltage regulator typically used in applications requiring a constant and stable 3.3V output from a higher voltage input. Common application areas include:
1. Consumer Electronics: Powering microcontrollers and sensors in devices such as smartphones and tablets.
2. Computing: Stabilizing power for components in computers and peripherals.
3. Industrial Automation: Providing regulated power for sensors and control systems.
4. Communications: Supplying stable voltage to networking equipment and wireless devices.
5. Embedded Systems: Ensuring reliable operation of embedded processors and modules.
Its compact size and reliability make it suitable for compact and portable electronic devices.

Package

The L78L33ACUTR is a voltage regulator with a SOT-89 package type.

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