L78L33ACD13TR

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L78L33ACD13TR

+Nomenclature

IC REG LINEAR 3.3V 100MA 8SO

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Spécifications

Attribut Valeur
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 8-SOIC (0.154, 3.90mm Width)

Présentation

Description

The L78L33ACD13TR is a low-dropout linear voltage regulator from STMicroelectronics. It provides a fixed output voltage of 3.3V with a maximum output current of 100mA. This component is designed for applications where space is limited, offering a compact and reliable solution for voltage regulation needs.
The L78L33ACD13TR features an internal current limiting, thermal shutdown, and safe-area protection, ensuring safe operation under various conditions. It also has a low quiescent current, making it suitable for battery-powered devices. The device is housed in a small SOT-89 package, which aids in efficient heat dissipation.
Common applications of the L78L33ACD13TR include power management in portable devices, microcontroller power supplies, and other low-power electronic circuits. Its ease of use and reliability make it a popular choice for designers looking for efficient voltage regulation in compact electronic designs.

Equivalent

The L78L33ACD13TR is a 3.3V voltage regulator. Equivalent products that offer similar functionality include:
1. LM1117T-3.3 by Texas Instruments
2. LD1117S33TR by STMicroelectronics
3. AMS1117-3.3 by Advanced Monolithic Systems
4. NCP1117ST33T3G by ON Semiconductor
5. LP2950-33 by Microchip Technology
Ensure compatibility by checking datasheets for electrical characteristics and package types.

Features

The L78L33ACD13TR is a low-dropout voltage regulator from STMicroelectronics. Key features include a fixed output voltage of 3.3V, with a maximum output current of 100 mA. It has a wide input voltage range from 4.3V to 30V, suitable for a variety of applications. The device offers low quiescent current and features internal current limiting and thermal shutdown protection, enhancing its reliability and safety. It is known for its low dropout voltage, typically around 0.7V at maximum current, which is beneficial for battery-powered applications.
The L78L33ACD13TR is available in a compact SOT-89 package, facilitating easy integration into space-constrained designs. The regulator is also designed to have excellent line and load regulation, ensuring stable performance under various conditions. Furthermore, it provides a high level of noise immunity, making it suitable for sensitive electronic applications. Its robust design and protective features make it an ideal choice for consumer electronics, industrial applications, and other systems requiring stable 3.3V power supply.

Pinout

The L78L33ACD13TR is a three-terminal linear voltage regulator. It is part of the L78L series of fixed-output voltage regulators. This specific model provides a fixed output voltage of 3.3V.
Pin Count:
The device typically comes in a SOT-89 package, which has 3 pins.
Pin Functions:
1. Input (Vin): This is the pin where the input voltage is applied. The input voltage must be higher than the desired output voltage to function correctly.
2. Ground (GND): This pin is connected to the ground of the circuit. It is the reference point for the input and output voltages.
3. Output (Vout): This pin provides the regulated output voltage, which in this case is 3.3V.
The L78L33ACD13TR is used in applications requiring a stable 3.3V supply, such as microcontroller power, sensor power supplies, and other low-power applications. It provides short-circuit protection and thermal shutdown for reliability and safety.

Manufacturer

The L78L33ACD13TR is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a broad range of semiconductor products, including integrated circuits and discrete devices. These products are used in a variety of applications across different industries such as automotive, industrial, personal electronics, and communications equipment. The company is known for its innovation in technology and has a significant presence in the global semiconductor market.

Application

The L78L33ACD13TR is a low-dropout (LDO) linear voltage regulator typically used in various electronic applications. Its key application areas include:
1. Consumer Electronics: Stabilizes power supply for devices like smartphones, tablets, and cameras.
2. Embedded Systems: Provides regulated power in microcontroller-based circuits.
3. Industrial Automation: Offers stable voltage for sensors and control systems.
4. Automotive Electronics: Used in infotainment systems and electronic control units (ECUs).
5. Medical Devices: Ensures reliable power for portable and sensitive medical equipment.
6. Communication Equipment: Maintains voltage levels in RF and networking devices.
These applications benefit from its compact size, thermal stability, and efficient regulation capabilities.

Package

The L78L33ACD13TR is a voltage regulator with an SOT-233 (Small Outline Transistor) package. This package type is designed for surface-mount technology, offering compact size and efficient heat dissipation suitable for electronic circuit boards.

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