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L4931ABZ80-AP
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L4931ABZ80-AP

Product Overview

Category

L4931ABZ80-AP belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

  • Low dropout voltage
  • Output current up to 100 mA
  • Fixed output voltage of 8.0 V
  • Very low quiescent current
  • Internal current and thermal limit
  • Available in a TO-92 package

Package

The L4931ABZ80-AP is packaged in a TO-92 package, which is a small plastic casing with three leads.

Essence

The essence of the L4931ABZ80-AP is its ability to provide a stable and regulated output voltage of 8.0 V.

Packaging/Quantity

This product is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

  • Input Voltage Range: 4.2 V to 20 V
  • Output Voltage: 8.0 V
  • Dropout Voltage: 0.9 V (at 100 mA)
  • Quiescent Current: 5 mA
  • Operating Temperature Range: -40°C to +125°C
  • Package Type: TO-92

Detailed Pin Configuration

The L4931ABZ80-AP has three pins:

  1. Input (VIN): This pin is connected to the input voltage source.
  2. Ground (GND): This pin is connected to the ground reference.
  3. Output (VOUT): This pin provides the regulated output voltage of 8.0 V.

Functional Features

  • Low dropout voltage ensures efficient regulation even when the input voltage is close to the desired output voltage.
  • Internal current and thermal limit protection safeguards the device from excessive current or temperature.
  • Low quiescent current minimizes power consumption when the load is light.

Advantages and Disadvantages

Advantages

  • Stable and regulated output voltage of 8.0 V.
  • Low dropout voltage allows for efficient regulation.
  • Internal current and thermal limit protection ensures device safety.
  • Low quiescent current minimizes power consumption.

Disadvantages

  • Limited output current of up to 100 mA may not be suitable for high-power applications.
  • TO-92 package may not be ideal for space-constrained designs.

Working Principles

The L4931ABZ80-AP operates based on the principle of a linear voltage regulator. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The internal circuitry monitors the output voltage and adjusts the pass transistor accordingly to maintain a stable 8.0 V output.

Detailed Application Field Plans

The L4931ABZ80-AP can be used in various electronic applications, including but not limited to: - Battery-powered devices requiring a stable 8.0 V supply voltage. - Audio amplifiers and preamplifiers. - Industrial control systems. - Automotive electronics. - Portable instrumentation.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the L4931ABZ80-AP include: - LM7808: A popular 8.0 V voltage regulator with higher output current capability. - LT1084: A high-current, low-dropout voltage regulator with adjustable output voltage. - MCP1702: A low quiescent current, fixed-output voltage regulator available in various voltage options.

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

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van L4931ABZ80-AP in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of L4931ABZ80-AP in technical solutions:

Q1: What is the L4931ABZ80-AP? A1: The L4931ABZ80-AP is a low-dropout voltage regulator IC designed for use in various technical applications.

Q2: What is the input voltage range of the L4931ABZ80-AP? A2: The input voltage range of the L4931ABZ80-AP is typically between 4.4V and 20V.

Q3: What is the output voltage of the L4931ABZ80-AP? A3: The L4931ABZ80-AP provides a fixed output voltage of 3.3V.

Q4: What is the maximum output current of the L4931ABZ80-AP? A4: The maximum output current of the L4931ABZ80-AP is 250mA.

Q5: Can the L4931ABZ80-AP be used in battery-powered applications? A5: Yes, the L4931ABZ80-AP is suitable for battery-powered applications due to its low dropout voltage.

Q6: Is the L4931ABZ80-AP short-circuit protected? A6: Yes, the L4931ABZ80-AP has built-in short-circuit protection to prevent damage in case of a short circuit.

Q7: Can the L4931ABZ80-AP handle high temperatures? A7: Yes, the L4931ABZ80-AP is designed to operate at high temperatures, making it suitable for demanding environments.

Q8: Does the L4931ABZ80-AP require external capacitors? A8: Yes, the L4931ABZ80-AP requires input and output capacitors for stability and proper operation.

Q9: Can the L4931ABZ80-AP be used in automotive applications? A9: Yes, the L4931ABZ80-AP is automotive qualified and can be used in automotive electronics.

Q10: What package does the L4931ABZ80-AP come in? A10: The L4931ABZ80-AP is available in a TO-92 package, which is a common through-hole package for ICs.

Please note that these answers are general and may vary depending on specific datasheet information or application requirements.