L78L15ACD13TR

Product Overview

The L78L15ACD13TR belongs to the category of voltage regulators and is commonly used to provide a stable 15V output voltage from a higher input voltage. This component is widely utilized in various electronic devices and circuits to ensure a consistent power supply. The L78L15ACD13TR is known for its high reliability, compact package, and efficient performance, making it a popular choice among electronics manufacturers.

Basic Information

• Category: Voltage Regulator
• Use: Providing stable 15V output voltage
• Characteristics: High reliability, compact package
• Package: TO-92, DPAK, and D²PAK packages
• Essence: Ensuring consistent power supply
• Packaging/Quantity: Available in reels or tubes with varying quantities

Specifications

• Input Voltage Range: Up to 35V
• Output Voltage: 15V
• Output Current: 100mA
• Dropout Voltage: 2V
• Operating Temperature Range: -40°C to 125°C
• Line Regulation: 0.07%/V
• Load Regulation: 5%

Detailed Pin Configuration

The L78L15ACD13TR typically consists of three pins: 1. Input (Vin): Connects to the higher input voltage source 2. Ground (GND): Connected to the ground reference 3. Output (Vout): Provides the stable 15V output voltage

Functional Features

• Voltage Regulation: Maintains a constant 15V output despite fluctuations in the input voltage.
• Overcurrent Protection: Safeguards the circuit by limiting the output current during overloads.
• Thermal Shutdown: Prevents overheating by shutting down the regulator when the temperature exceeds safe limits.

Advantages and Disadvantages

Advantages

• Compact size
• Reliable performance
• Overcurrent protection
• Wide operating temperature range

Disadvantages

• Limited output current capacity
• Higher dropout voltage compared to some alternatives

Working Principles

The L78L15ACD13TR operates on the principle of linear voltage regulation. It uses a series pass transistor to regulate the output voltage by dissipating excess energy as heat. When the input voltage fluctuates, the internal feedback mechanism adjusts the pass transistor to maintain a steady 15V output.

Detailed Application Field Plans

The L78L15ACD13TR finds extensive use in the following applications: - Power supplies for microcontrollers and digital ICs - Battery charging circuits - Instrumentation and measurement equipment - Audio amplifiers and preamplifiers - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the L78L15ACD13TR include: - LM7815: A popular 15V linear voltage regulator with similar specifications - UA7815: Another reliable option for providing a stable 15V output - MC7815: Widely used in industrial and automotive applications for voltage regulation

In conclusion, the L78L15ACD13TR is a versatile voltage regulator that offers reliable performance and precise voltage regulation. Its compact design and wide operating temperature range make it suitable for various electronic applications.

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