STMicroelectronics
Afbeelding kan een representatie zijn.
Zie specificaties voor productdetails.
L78L05CD13TR
Details bekijken DataSheets

L78L05CD13TR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics: Low-dropout, 5V output voltage, fixed voltage regulator
  • Package: TO-252 (DPAK)
  • Essence: Linear voltage regulator
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: Up to 35V
  • Output Voltage: 5V
  • Output Current: Up to 100mA
  • Dropout Voltage: 2V (typical)
  • Quiescent Current: 4.5mA (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The L78L05CD13TR has three pins:

  1. Input (VIN): Connects to the input voltage source.
  2. Ground (GND): Connected to the ground reference.
  3. Output (VOUT): Provides the regulated 5V output.

Functional Features

  • Voltage Regulation: The L78L05CD13TR regulates the input voltage to a stable 5V output.
  • Low Dropout: It has a low dropout voltage, allowing it to regulate even when the input voltage is close to the desired output voltage.
  • Short Circuit Protection: The IC includes internal short circuit protection to prevent damage in case of a short circuit on the output.
  • Thermal Overload Protection: It incorporates thermal shutdown circuitry to protect against excessive heat.

Advantages and Disadvantages

Advantages: - Simple and easy to use. - Provides a stable 5V output voltage. - Suitable for low-power applications. - Offers short circuit and thermal overload protection.

Disadvantages: - Limited output current capability (up to 100mA). - Requires an input voltage higher than the desired output voltage.

Working Principles

The L78L05CD13TR is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It compares the reference voltage with a fraction of the output voltage and adjusts the pass transistor accordingly to maintain a stable 5V output.

Detailed Application Field Plans

The L78L05CD13TR is commonly used in various electronic devices and applications, including:

  1. Power Supplies: It can be used as a voltage regulator in power supply circuits to provide a stable 5V output for microcontrollers, sensors, and other components.
  2. Embedded Systems: It finds application in embedded systems where a regulated 5V supply is required for powering digital circuits.
  3. Consumer Electronics: The IC is used in consumer electronics such as TVs, audio equipment, and home appliances to regulate voltages for different components.
  4. Automotive Electronics: It is suitable for automotive applications, providing regulated voltage for various electronic systems in vehicles.
  5. Industrial Control Systems: The L78L05CD13TR is utilized in industrial control systems to ensure stable voltage levels for control circuitry.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the L78L05CD13TR include:

  1. LM7805: A popular 5V linear voltage regulator available in various packages.
  2. AMS1117-5.0: Low dropout voltage regulator with a fixed 5V output.
  3. NCP1117-5.0: Another low dropout voltage regulator with a fixed 5V output.
  4. MC78M05: A 5V positive voltage regulator with a maximum output current of 500mA.

These alternatives can be considered based on specific requirements and availability.

Word count: 399 words

Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van L78L05CD13TR in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of L78L05CD13TR in technical solutions:

  1. Q: What is L78L05CD13TR? A: L78L05CD13TR is a voltage regulator IC that provides a fixed 5V output voltage.

  2. Q: What is the maximum input voltage for L78L05CD13TR? A: The maximum input voltage for L78L05CD13TR is typically around 35V.

  3. Q: What is the maximum output current of L78L05CD13TR? A: The maximum output current of L78L05CD13TR is 100mA.

  4. Q: Can L78L05CD13TR be used to regulate voltages other than 5V? A: No, L78L05CD13TR is specifically designed to provide a fixed 5V output.

  5. Q: Is L78L05CD13TR suitable for low-power applications? A: Yes, L78L05CD13TR is commonly used in low-power applications where a stable 5V supply is required.

  6. Q: Does L78L05CD13TR require any external components for operation? A: Yes, L78L05CD13TR requires input and output capacitors for stability and filtering purposes.

  7. Q: Can L78L05CD13TR handle short-circuit conditions? A: Yes, L78L05CD13TR has built-in protection features to handle short-circuit conditions.

  8. Q: What is the typical dropout voltage of L78L05CD13TR? A: The typical dropout voltage of L78L05CD13TR is around 2V.

  9. Q: Can L78L05CD13TR operate in high-temperature environments? A: Yes, L78L05CD13TR has a wide operating temperature range and can handle high-temperature environments.

  10. Q: What are some common applications of L78L05CD13TR? A: L78L05CD13TR is commonly used in various electronic devices such as microcontrollers, sensors, and low-power digital circuits that require a stable 5V power supply.

Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.