L78M09ACDT-TR

Product Overview

The L78M09ACDT-TR belongs to the category of voltage regulators and is commonly used in electronic devices to provide a stable 9V output. Its characteristics include high efficiency, low dropout voltage, and thermal shutdown protection. The package type is TO-252-3, and it is available in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 11V to 35V
• Output Voltage: 9V
• Output Current: 0.5A
• Dropout Voltage: 1.2V
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The L78M09ACDT-TR has three pins: 1. Input (VIN) 2. Ground (GND) 3. Output (VOUT)

Functional Features

• High Efficiency: Provides efficient voltage regulation, minimizing power loss.
• Low Dropout Voltage: Ensures stable output even when the input voltage is close to the output voltage.
• Thermal Shutdown Protection: Protects the regulator from overheating, enhancing its reliability.

Advantages and Disadvantages

Advantages

• Stable Output: Ensures a consistent 9V output, suitable for various electronic applications.
• Thermal Protection: Enhances safety and reliability by preventing overheating.
• Compact Package: The TO-252-3 package offers space-saving benefits.

Disadvantages

• Limited Output Current: With a maximum output current of 0.5A, it may not be suitable for high-power applications.

Working Principles

The L78M09ACDT-TR operates by comparing the output voltage to a reference voltage and adjusting the internal circuitry to maintain a stable 9V output. It utilizes a series pass transistor to regulate the output voltage and minimize fluctuations.

Detailed Application Field Plans

The L78M09ACDT-TR is widely used in various electronic devices, including: - Consumer Electronics: Powering audio amplifiers, LED displays, and small appliances. - Automotive Electronics: Regulating voltage for sensors, actuators, and lighting systems. - Industrial Equipment: Providing stable voltage for control systems and instrumentation.

Detailed and Complete Alternative Models

Some alternative models to the L78M09ACDT-TR include: - LM7809: A popular linear voltage regulator with similar specifications. - UA7809: Another reliable option for 9V voltage regulation. - MC7809: Offers comparable performance in a different package type.

This comprehensive entry provides an in-depth understanding of the L78M09ACDT-TR, covering its basic information, specifications, features, advantages, disadvantages, working principles, application field plans, and alternative models.

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