L78L33ABD-TR

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L78L33ABD-TR

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IC REG LINEAR 3.3V 100MA 8-SOIC

  • Nhà sản xuấtSTMicroelectronics

  • Ông. Phần #L78L33ABD-TR

  • Bảng dữ liệu L78L33ABD-TR DataSheet

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Thông số kỹ thuật

thuộc tính Giá trị
Part Status Active
Output Configuration Positive
Output Type Fixed
Number of Regulators 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)
Protection Features Over Current, Over Temperature, Short Circuit
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number L78L33

Tổng quan

Description

The L78L33ABD-TR is a low-dropout voltage regulator designed to provide a stable 3.3V output from a higher voltage input. It is part of the L78L series manufactured by STMicroelectronics. The device supports input voltages up to 30V and can deliver a maximum output current of around 100 mA.
Key features include thermal shutdown and short-circuit protection, ensuring reliability and safety in various applications. Its low quiescent current makes it suitable for battery-powered devices. The "TR" in the part number indicates that it is supplied in tape and reel packaging, which is convenient for automated assembly processes.
The L78L33ABD-TR is typically housed in a small SOT-89 package, which is suitable for compact circuit designs. It is commonly used in applications including consumer electronics, industrial equipment, and communication devices where a stable 3.3V power supply is required. The regulator's ease of use and protection features make it ideal for both hobbyist projects and professional designs.

Equivalent

The L78L33ABD-TR is a 3.3V low-dropout linear voltage regulator. Equivalent products include:
1. LM1117-3.3 by Texas Instruments
2. AMS1117-3.3 by Advanced Monolithic Systems
3. MC78L33 by ON Semiconductor
4. LP2950-3.3 by Texas Instruments
5. NCP1117-3.3 by ON Semiconductor
Ensure compatibility by checking specific parameters like output current, dropout voltage, and package type.

Features

The L78L33ABD-TR is a low-dropout (LDO) linear voltage regulator. Here are its key features:
1. Output Voltage: Provides a fixed output voltage of 3.3V.
2. Output Current: Can supply up to 100 mA of output current.
3. Dropout Voltage: Low dropout voltage, typically around 1.7V at 100 mA.
4. Thermal Protection: Includes thermal shutdown to prevent overheating.
5. Short-Circuit Protection: Equipped with short-circuit protection for enhanced reliability.
6. Input Voltage Range: Handles a wide input voltage range from 5V to 30V.
7. Package: Available in a small surface-mount SOT-89 package, making it suitable for space-constrained applications.
8. Low Quiescent Current: Consumes minimal quiescent current, improving efficiency in battery-powered devices.
9. Stability: Designed for stability with low ESR output capacitors.
10. Applications: Suitable for use in applications such as battery-powered devices, microcontroller power supplies, and other electronics requiring a reliable 3.3V power source.
These features make it a versatile choice for various low-power electronic projects.

Pinout

The L78L33ABD-TR is a voltage regulator from STMicroelectronics. It comes in a SOT-89 package with a 3-pin configuration. The primary function of this device is to provide a stable 3.3V output voltage from a higher input voltage, making it suitable for various applications requiring a regulated power supply.
The pin configuration is as follows:
1. Input: This pin is connected to the higher input voltage that needs regulation.
2. Ground: This pin is connected to the ground of the circuit and acts as the reference point for the input and output voltages.
3. Output: This pin provides the regulated 3.3V output.
The L78L33ABD-TR is a linear voltage regulator commonly used in electronic circuits to ensure a stable power supply for sensitive components. It offers short-circuit protection and thermal shutdown features for enhanced reliability.

Manufacturer

The L78L33ABD-TR is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a broad range of semiconductor products. It serves various sectors, including automotive, industrial, personal electronics, and communications equipment. As a leader in the semiconductor industry, STMicroelectronics focuses on innovation and sustainability, delivering solutions that enable smarter driving and the Internet of Things (IoT).

Application

The L78L33ABD-TR is a low-dropout (LDO) voltage regulator commonly used in various electronic applications. Its primary application areas include:
1. Consumer Electronics: Provides stable voltage supply for gadgets like smartphones, tablets, and wearable devices.
2. Industrial Equipment: Ensures reliable power for sensors and control systems.
3. Telecommunications: Supports stable power for communication devices.
4. Automotive: Powers microcontrollers and other electronic components in vehicles.
5. Computing: Used in power management for microprocessors and memory units.
Its small size and low power consumption make it ideal for portable and battery-powered devices.

Package

The L78L33ABD-TR is a fixed voltage regulator produced by STMicroelectronics. It comes in a SOT-89 package, which is a small outline transistor package commonly used for surface-mount devices.

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