L78L24ACD-TR

Product Overview

Category

The L78L24ACD-TR belongs to the category of linear voltage regulators.

Use

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

Characteristics

• Linear voltage regulator
• Fixed output voltage of 24V
• Low dropout voltage
• High ripple rejection
• Thermal overload protection

Package

The L78L24ACD-TR comes in a small surface-mount package (SMD) for easy integration onto printed circuit boards (PCBs).

Essence

The essence of the L78L24ACD-TR lies in its ability to provide a stable and regulated output voltage of 24V, ensuring reliable operation of electronic devices.

Packaging/Quantity

The L78L24ACD-TR is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input Voltage Range: 7V to 30V
• Output Voltage: 24V
• Output Current: Up to 100mA
• Dropout Voltage: 1.7V (max)
• Ripple Rejection: 60dB (typ)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The L78L24ACD-TR has three pins:

1. Vin (Pin 1): Input voltage pin.
2. GND (Pin 2): Ground reference pin.
3. Vout (Pin 3): Regulated output voltage pin.

Functional Features

• Voltage regulation: The L78L24ACD-TR ensures a constant output voltage of 24V, regardless of input voltage fluctuations.
• Low dropout voltage: It can operate with a minimal voltage difference between the input and output, maximizing efficiency.
• Thermal overload protection: The regulator includes built-in protection against excessive heat, ensuring safe operation even under high temperature conditions.

Advantages and Disadvantages

Advantages

• Simple to use and integrate into electronic circuits.
• Provides a stable output voltage, reducing the risk of damage to connected devices.
• Offers thermal overload protection, enhancing reliability.

Disadvantages

• Limited output current capacity (up to 100mA).
• Requires an input voltage within a specific range (7V to 30V).

Working Principles

The L78L24ACD-TR operates based on the principle of linear voltage regulation. It uses a series pass transistor to regulate the output voltage by dissipating excess energy as heat. By comparing the output voltage with a reference voltage, it adjusts the pass transistor's resistance to maintain a constant output voltage.

Detailed Application Field Plans

The L78L24ACD-TR finds applications in various fields, including:

1. Industrial automation: Powering control systems, sensors, and actuators.
2. Automotive electronics: Regulating voltage for automotive modules and subsystems.
3. Consumer electronics: Providing stable voltage for audio/video equipment, computer peripherals, and home appliances.
4. Telecommunications: Powering communication devices, routers, and network equipment.
5. Medical devices: Ensuring reliable voltage supply for medical instruments and equipment.

Detailed and Complete Alternative Models

1. LM317T: Adjustable linear voltage regulator with a wide input voltage range.
2. LM7805: Fixed 5V linear voltage regulator suitable for low-power applications.
3. LT1086: High-current adjustable linear voltage regulator with low dropout voltage.
4. NCP1117: Low dropout linear voltage regulator with adjustable output voltage.
5. TPS7A4700: Ultra-low noise linear voltage regulator for sensitive analog applications.

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

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