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L79L05ACZ-AP
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L79L05ACZ-AP

Product Overview

Category

L79L05ACZ-AP belongs to the category of voltage regulators.

Use

It is commonly used to regulate and stabilize the output voltage in electronic circuits.

Characteristics

  • Voltage Regulation: L79L05ACZ-AP provides a regulated output voltage of -5V.
  • Package: The product comes in a TO-220 package, which ensures efficient heat dissipation.
  • Essence: It is an integrated circuit (IC) that operates as a negative linear voltage regulator.
  • Packaging/Quantity: L79L05ACZ-AP is typically sold in reels or tubes containing multiple units.

Specifications

The key specifications of L79L05ACZ-AP are as follows:

  • Output Voltage: -5V
  • Input Voltage Range: Up to -35V
  • Maximum Output Current: 100mA
  • Dropout Voltage: 1.7V (typical)
  • Line Regulation: 0.2% (typical)
  • Load Regulation: 0.4% (typical)
  • Operating Temperature Range: -40°C to +125°C

Pin Configuration

L79L05ACZ-AP has three pins, each serving a specific purpose:

  1. Input Pin (VIN): This pin is connected to the input voltage source.
  2. Ground Pin (GND): It is connected to the ground reference of the circuit.
  3. Output Pin (VOUT): The regulated -5V output voltage is obtained from this pin.

Functional Features

  • Voltage Regulation: L79L05ACZ-AP maintains a stable -5V output voltage despite variations in the input voltage.
  • Short Circuit Protection: The IC includes internal protection mechanisms to prevent damage in case of a short circuit.
  • Thermal Shutdown: It incorporates thermal shutdown circuitry to safeguard against excessive heat.

Advantages and Disadvantages

Advantages

  • Compact Size: L79L05ACZ-AP is available in a small package, making it suitable for space-constrained applications.
  • Easy Integration: Its simple three-pin configuration allows for easy integration into various electronic circuits.
  • Cost-Effective: The product offers cost-effective voltage regulation solutions.

Disadvantages

  • Limited Output Current: With a maximum output current of 100mA, it may not be suitable for high-power applications.
  • Dropout Voltage: The dropout voltage of 1.7V can limit its efficiency in low input voltage scenarios.

Working Principles

L79L05ACZ-AP operates based on the principle of linear voltage regulation. It utilizes a series pass transistor to regulate the output voltage. The internal circuitry compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable -5V output.

Detailed Application Field Plans

L79L05ACZ-AP finds application in various electronic systems where a regulated -5V supply is required. Some common application fields include:

  1. Power Supply Units: It can be used in power supply units to provide a stable -5V rail for powering analog or digital components.
  2. Audio Amplifiers: L79L05ACZ-AP can be employed in audio amplifiers to generate a negative voltage bias for certain amplifier stages.
  3. Instrumentation Systems: It is suitable for instrumentation systems that require a precise and stable negative voltage reference.

Detailed and Complete Alternative Models

There are several alternative models available in the market that offer similar functionality to L79L05ACZ-AP. Some notable alternatives include:

  1. LM79L05: Manufactured by Texas Instruments, this IC provides a regulated -5V output with similar specifications.
  2. MC79L05: Produced by ON Semiconductor, it is another -5V voltage regulator with comparable characteristics.
  3. UA79L05: This IC, manufactured by Fairchild Semiconductor, is a negative linear voltage regulator that also delivers -5V output.

These alternative models can be considered based on specific requirements and availability.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de L79L05ACZ-AP en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of L79L05ACZ-AP in technical solutions:

  1. Q: What is L79L05ACZ-AP? A: L79L05ACZ-AP is a voltage regulator IC that provides a fixed output voltage of -5V.

  2. Q: What is the input voltage range for L79L05ACZ-AP? A: The input voltage range for L79L05ACZ-AP is typically between -7V and -35V.

  3. Q: What is the maximum output current of L79L05ACZ-AP? A: The maximum output current of L79L05ACZ-AP is 100mA.

  4. Q: Can L79L05ACZ-AP be used to regulate positive voltages? A: No, L79L05ACZ-AP is specifically designed to regulate negative voltages.

  5. Q: What are the typical applications of L79L05ACZ-AP? A: L79L05ACZ-AP is commonly used in various technical solutions such as audio amplifiers, power supplies, and industrial control systems.

  6. Q: Does L79L05ACZ-AP require any external components for operation? A: Yes, L79L05ACZ-AP requires input and output capacitors for stability and filtering purposes.

  7. Q: What is the operating temperature range of L79L05ACZ-AP? A: The operating temperature range of L79L05ACZ-AP is typically between -40°C and +125°C.

  8. Q: Can L79L05ACZ-AP handle short-circuit conditions? A: Yes, L79L05ACZ-AP has built-in short-circuit protection to prevent damage under such conditions.

  9. Q: Is L79L05ACZ-AP available in different package options? A: Yes, L79L05ACZ-AP is available in TO-92 and DPAK package options for different mounting requirements.

  10. Q: Where can I find the datasheet for L79L05ACZ-AP? A: The datasheet for L79L05ACZ-AP can be found on the manufacturer's website or through online electronic component distributors.