L78L24ABZ-TR

Product Overview

Category

L78L24ABZ-TR belongs to the category of voltage regulators.

Use

It is primarily used to regulate and stabilize voltage in electronic circuits.

Characteristics

• Input Voltage Range: 7V to 35V
• Output Voltage: 24V
• Output Current: 100mA
• Dropout Voltage: 2V
• Quiescent Current: 5mA
• Operating Temperature Range: -40°C to +125°C
• Package Type: TO-92
• Mounting Style: Through Hole

Packaging/Quantity

L78L24ABZ-TR is typically packaged in reels or tubes, with a quantity of 2000 units per reel/tube.

Specifications

• Input Voltage Range: 7V to 35V
• Output Voltage: 24V
• Output Current: 100mA
• Dropout Voltage: 2V
• Quiescent Current: 5mA
• Line Regulation: ±0.2%
• Load Regulation: ±0.4%
• Ripple Rejection: 60dB
• Thermal Shutdown Protection: Yes
• Short Circuit Protection: Yes

Detailed Pin Configuration

L78L24ABZ-TR has three pins:

1. Input (VIN): This pin is connected to the input voltage source.
2. Ground (GND): This pin is connected to the ground reference.
3. Output (VOUT): This pin provides the regulated output voltage.

Functional Features

• Voltage Regulation: The L78L24ABZ-TR ensures a stable output voltage of 24V, regardless of variations in the input voltage.
• Thermal Shutdown Protection: It incorporates thermal shutdown protection to prevent damage due to excessive temperature.
• Short Circuit Protection: The device is designed to protect against short circuits, ensuring the safety of the circuit and connected components.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for flexibility in various applications.
• Low dropout voltage minimizes power dissipation.
• Compact TO-92 package enables easy integration into circuits with limited space.
• Thermal shutdown and short circuit protection enhance reliability and safety.

Disadvantages

• Limited output current capability (100mA) may restrict usage in high-power applications.
• Quiescent current of 5mA can contribute to power consumption in low-power designs.

Working Principles

L78L24ABZ-TR is a linear voltage regulator that utilizes a series pass transistor to maintain a constant output voltage. It compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to regulate the output voltage at the desired level. The device operates by dissipating excess voltage as heat, which is why it has a maximum dropout voltage specification.

Detailed Application Field Plans

The L78L24ABZ-TR finds applications in various fields, including:

1. Power Supply Units: It can be used in power supply units to provide a stable 24V output for powering electronic devices.
2. Automotive Electronics: The voltage regulator is suitable for automotive applications where a regulated voltage is required for sensors, actuators, and other electronic components.
3. Industrial Control Systems: It can be employed in industrial control systems to ensure a consistent voltage supply for reliable operation.
4. Consumer Electronics: The device can be utilized in consumer electronics such as audio amplifiers, televisions, and home appliances to maintain a steady voltage level.

Detailed and Complete Alternative Models

Some alternative models to L78L24ABZ-TR include:

1. LM317: A versatile adjustable voltage regulator capable of providing different output voltages.
2. LM7805: A fixed 5V voltage regulator commonly used in electronic circuits.
3. LT1084: A high-current adjustable voltage regulator suitable for demanding applications.
4. LM1117: A low dropout voltage regulator available in various fixed output voltages.

These alternative models offer different features and specifications, allowing users to choose the most suitable option for their specific requirements.

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