STMicroelectronics
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L79L06ABUTR
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L79L06ABUTR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics: Low Dropout, Negative Voltage Regulator
  • Package: TO-220
  • Essence: Linear voltage regulator with a fixed output voltage of -6V
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: -8V to -35V
  • Output Voltage: -6V
  • Output Current: Up to 100mA
  • Dropout Voltage: 1.5V typical at 100mA
  • Line Regulation: 0.2% typical
  • Load Regulation: 0.4% typical
  • Quiescent Current: 5mA typical
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The L79L06ABUTR is a three-terminal device with the following pin configuration:

  1. Input (VIN): Connects to the input voltage source.
  2. Ground (GND): Common ground reference for the circuit.
  3. Output (VOUT): Provides the regulated -6V output voltage.

Functional Features

  • Voltage Regulation: The L79L06ABUTR maintains a stable -6V output voltage regardless of changes in the input voltage or load conditions.
  • Low Dropout: With a dropout voltage of only 1.5V, this regulator can operate efficiently even when the input voltage is close to the desired output voltage.
  • Short Circuit Protection: The device includes internal current limiting and thermal shutdown protection to prevent damage in case of a short circuit or excessive temperature.

Advantages and Disadvantages

Advantages: - Simple and compact design - Low dropout voltage - Good line and load regulation - Short circuit protection

Disadvantages: - Limited output current capability (up to 100mA) - Negative output voltage may not be suitable for all applications

Working Principles

The L79L06ABUTR is a linear voltage regulator that uses a negative feedback mechanism to maintain a constant -6V output voltage. It consists of a pass transistor, error amplifier, and voltage reference. The error amplifier compares the output voltage with a fixed reference voltage and adjusts the pass transistor accordingly to regulate the output voltage.

Detailed Application Field Plans

The L79L06ABUTR is commonly used in various electronic devices and circuits where a stable -6V power supply is required. Some typical application fields include:

  1. Audio Amplifiers: Provides a regulated negative voltage for audio amplification circuits.
  2. Instrumentation: Used in measurement equipment that requires a precise negative voltage reference.
  3. Automotive Electronics: Suitable for automotive applications that require a negative voltage source, such as sensors and control systems.

Detailed and Complete Alternative Models

  1. LM79L06: Similar negative voltage regulator with a fixed -6V output voltage. Available in different package options.
  2. MC79L06: Another negative voltage regulator with a fixed -6V output. Offers higher output current capability.

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

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van L79L06ABUTR in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of L79L06ABUTR in technical solutions:

  1. Q: What is L79L06ABUTR? A: L79L06ABUTR is a voltage regulator IC that provides a fixed output voltage of -6V.

  2. Q: What is the input voltage range for L79L06ABUTR? A: The input voltage range for L79L06ABUTR is typically between -8V and -35V.

  3. Q: What is the maximum output current of L79L06ABUTR? A: The maximum output current of L79L06ABUTR is 100mA.

  4. Q: Can L79L06ABUTR be used to regulate positive voltages? A: No, L79L06ABUTR is specifically designed for negative voltage regulation only.

  5. Q: What are the typical applications of L79L06ABUTR? A: L79L06ABUTR is commonly used in various electronic devices such as audio amplifiers, power supplies, and industrial control systems.

  6. Q: Does L79L06ABUTR require any external components for operation? A: Yes, L79L06ABUTR requires at least two external capacitors for stability and proper functioning.

  7. Q: What is the thermal resistance of L79L06ABUTR? A: The thermal resistance of L79L06ABUTR is typically around 50°C/W.

  8. Q: Can L79L06ABUTR handle short-circuit conditions? A: Yes, L79L06ABUTR has built-in protection features that allow it to withstand short-circuit conditions.

  9. Q: What is the operating temperature range of L79L06ABUTR? A: The operating temperature range of L79L06ABUTR is typically between -40°C and 125°C.

  10. Q: Is L79L06ABUTR available in different package types? A: Yes, L79L06ABUTR is available in various package types such as TO-92, SO-8, and DPAK.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications for L79L06ABUTR.