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L79L05ACUTR
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L79L05ACUTR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics: Low Dropout, Negative Voltage Regulator
  • Package: TO-92
  • Essence: Linear Voltage Regulator
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: -35V to -8V
  • Output Voltage: -5V
  • Output Current: 100mA
  • Dropout Voltage: 1.7V (typical)
  • Quiescent Current: 4.5mA (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The L79L05ACUTR has three pins:

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

Functional Features

  • Provides a stable -5V output voltage regardless of input voltage fluctuations.
  • Low dropout voltage ensures efficient regulation even with small input-output voltage differentials.
  • Internal thermal shutdown protection prevents damage due to excessive temperature.
  • Short-circuit current limiting protects the device from overcurrent conditions.

Advantages and Disadvantages

Advantages: - Compact TO-92 package allows for easy integration into various electronic circuits. - Wide operating temperature range enables usage in extreme environments. - Low quiescent current minimizes power consumption.

Disadvantages: - Limited output current capability restricts its use in high-power applications. - Requires external capacitors for stability and noise reduction.

Working Principles

The L79L05ACUTR is a linear voltage regulator that utilizes a negative feedback mechanism to maintain a constant -5V output voltage. It operates by comparing the output voltage with a reference voltage and adjusting the internal circuitry to regulate the output within the specified range.

Detailed Application Field Plans

The L79L05ACUTR is commonly used in various electronic devices and applications, including:

  1. Power supplies for microcontrollers and digital circuits.
  2. Battery-powered devices requiring a stable -5V supply.
  3. Audio amplifiers and preamplifiers.
  4. Industrial control systems.
  5. Automotive electronics.

Detailed and Complete Alternative Models

  • LM79L05ACM: TO-252 package, -5V voltage regulator, 100mA output current.
  • MC79L05ACP: TO-92 package, -5V voltage regulator, 100mA output current.
  • UA79L05ACPK: TO-92 package, -5V voltage regulator, 100mA output current.

These alternative models provide similar functionality and can be used as substitutes for the L79L05ACUTR in various applications.

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技術ソリューションにおける L79L05ACUTR の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of L79L05ACUTR in technical solutions:

  1. Q: What is L79L05ACUTR? A: L79L05ACUTR is a voltage regulator IC that provides a fixed output voltage of -5V.

  2. Q: What is the input voltage range for L79L05ACUTR? A: The input voltage range for L79L05ACUTR is typically between -7V and -35V.

  3. Q: What is the maximum output current of L79L05ACUTR? A: The maximum output current of L79L05ACUTR is 100mA.

  4. Q: Can L79L05ACUTR be used to regulate positive voltages? A: No, L79L05ACUTR is specifically designed for negative voltage regulation only.

  5. Q: How does L79L05ACUTR handle thermal protection? A: L79L05ACUTR has built-in thermal shutdown protection that prevents the IC from overheating.

  6. Q: Is L79L05ACUTR suitable for low-power applications? A: Yes, L79L05ACUTR is commonly used in low-power applications where a stable -5V supply is required.

  7. Q: Can L79L05ACUTR be used in automotive applications? A: Yes, L79L05ACUTR is often used in automotive electronics for regulating negative voltages.

  8. Q: Does L79L05ACUTR require any external components for operation? A: Yes, L79L05ACUTR typically requires input and output capacitors for stability and filtering.

  9. Q: What is the typical dropout voltage of L79L05ACUTR? A: The typical dropout voltage of L79L05ACUTR is around 2V.

  10. Q: Can L79L05ACUTR be used in high-temperature environments? A: Yes, L79L05ACUTR has a wide operating temperature range and can be used in high-temperature environments.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer guidelines for L79L05ACUTR.