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L79L05ACZ-TR
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L79L05ACZ-TR

Product Overview

Category

The L79L05ACZ-TR belongs to the category of linear voltage regulators.

Use

It is primarily used for regulating and stabilizing voltage in electronic circuits.

Characteristics

  • Linear voltage regulator
  • Fixed output voltage of -5V
  • Low dropout voltage
  • High ripple rejection ratio
  • Short-circuit protection
  • Thermal overload protection

Package

The L79L05ACZ-TR comes in a TO-92 package, which is a small, three-lead plastic package.

Essence

The essence of the L79L05ACZ-TR is to provide a stable and regulated -5V output voltage for various electronic applications.

Packaging/Quantity

The L79L05ACZ-TR is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

  • Input Voltage Range: -7V to -35V
  • Output Voltage: -5V
  • Output Current: 100mA
  • Dropout Voltage: 1.7V (max)
  • Ripple Rejection Ratio: 60dB (typ)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The L79L05ACZ-TR has three pins:

  1. Input (IN): This pin is connected to the input voltage source.
  2. Ground (GND): This pin is connected to the ground reference.
  3. Output (OUT): This pin provides the regulated -5V output voltage.

Functional Features

  • Voltage regulation: The L79L05ACZ-TR ensures a stable -5V output voltage regardless of input voltage fluctuations.
  • Low dropout voltage: It can operate with a low input-output voltage differential, minimizing power dissipation.
  • Short-circuit protection: The device is designed to withstand short-circuit conditions without damage.
  • Thermal overload protection: It incorporates thermal shutdown circuitry to prevent overheating.

Advantages and Disadvantages

Advantages

  • Provides a stable -5V output voltage for electronic circuits.
  • Low dropout voltage minimizes power dissipation.
  • Short-circuit and thermal overload protection enhance reliability.

Disadvantages

  • Limited output current capability (100mA).
  • Requires an input voltage range of -7V to -35V.

Working Principles

The L79L05ACZ-TR is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a constant -5V output.

Detailed Application Field Plans

The L79L05ACZ-TR finds applications in various electronic systems, including but not limited to: - Power supplies - Audio amplifiers - Instrumentation circuits - Battery-powered devices - Automotive electronics

Detailed and Complete Alternative Models

  1. LM340-5.0: A popular alternative with similar specifications and pin configuration.
  2. MC79L05ACP: Another alternative offering -5V output voltage with comparable characteristics.
  3. UA79L05ACLP: An alternative model providing -5V output voltage and similar features.

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

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van L79L05ACZ-TR in technische oplossingen

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

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

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

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

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

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

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

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

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

  9. Q: Is L79L05ACZ-TR available in different package options? A: Yes, L79L05ACZ-TR is available in various package options such as TO-92 and SO-8.

  10. Q: Can L79L05ACZ-TR be used in automotive applications? A: Yes, L79L05ACZ-TR is suitable for automotive applications as it meets the necessary standards and requirements.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications of L79L05ACZ-TR.