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L4931CD50-TR

L4931CD50-TR

Product Overview

Category

L4931CD50-TR belongs to the category of voltage regulators.

Use

It is commonly used to regulate voltage in electronic circuits.

Characteristics

  • Low dropout voltage
  • High output current capability
  • Excellent line and load regulation
  • Thermal shutdown and short-circuit protection

Package

L4931CD50-TR comes in a TO-252 package.

Essence

The essence of L4931CD50-TR lies in its ability to provide stable and regulated voltage for various electronic applications.

Packaging/Quantity

It is typically packaged in reels and available in quantities suitable for industrial production.

Specifications

  • Input Voltage Range: 4.75V to 20V
  • Output Voltage: 5V
  • Output Current: Up to 250mA
  • Dropout Voltage: 0.6V (typical)
  • Line Regulation: ±0.2% (typical)
  • Load Regulation: ±0.4% (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

L4931CD50-TR has three pins:

  1. Vin (Pin 1): Input voltage pin.
  2. Vout (Pin 2): Output voltage pin.
  3. GND (Pin 3): Ground pin.

Functional Features

  • Low dropout voltage ensures efficient power conversion.
  • High output current capability allows it to handle demanding loads.
  • Excellent line and load regulation maintain stable output voltage.
  • Thermal shutdown and short-circuit protection safeguard against overheating and damage.

Advantages

  • Provides a stable and regulated output voltage.
  • Suitable for a wide range of electronic applications.
  • Compact and easy to integrate into circuit designs.
  • Offers protection against thermal overload and short circuits.

Disadvantages

  • Limited output current capability compared to higher-rated regulators.
  • Requires external capacitors for stability in certain applications.

Working Principles

L4931CD50-TR operates based on the principle of linear voltage regulation. It uses a pass transistor and feedback mechanism to maintain a constant output voltage despite variations in input voltage and load conditions. The dropout voltage is minimized, ensuring efficient power conversion.

Detailed Application Field Plans

L4931CD50-TR finds applications in various fields, including:

  1. Consumer electronics: Powering microcontrollers, sensors, and display modules.
  2. Automotive: Regulating voltage for automotive electronic systems.
  3. Industrial automation: Providing stable voltage for control circuits and sensors.
  4. Telecommunications: Powering communication devices and network equipment.
  5. Medical devices: Ensuring reliable voltage supply for medical equipment.

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to L4931CD50-TR include:

  1. LM1117-5.0: Similar specifications and package type.
  2. LT1763-5: Higher output current capability and lower dropout voltage.
  3. MCP1700-500: Lower cost option with comparable performance.

These alternative models offer similar functionality and can be chosen based on specific requirements and availability.

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기술 솔루션에 L4931CD50-TR 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

Sure! Here are 10 common questions and answers related to the application of L4931CD50-TR in technical solutions:

Q1: What is the L4931CD50-TR? A1: The L4931CD50-TR is a low-dropout voltage regulator IC that provides a fixed output voltage of 5.0V.

Q2: What is the maximum input voltage for the L4931CD50-TR? A2: The maximum input voltage for the L4931CD50-TR is 20V.

Q3: What is the dropout voltage of the L4931CD50-TR? A3: The dropout voltage of the L4931CD50-TR is typically around 0.6V at 150mA load current.

Q4: What is the maximum output current of the L4931CD50-TR? A4: The maximum output current of the L4931CD50-TR is 250mA.

Q5: Can the L4931CD50-TR be used in battery-powered applications? A5: Yes, the L4931CD50-TR can be used in battery-powered applications as it has a low quiescent current and low dropout voltage.

Q6: Is the L4931CD50-TR short-circuit protected? A6: Yes, the L4931CD50-TR has built-in short-circuit protection to prevent damage in case of a short circuit.

Q7: Can the L4931CD50-TR be used in automotive applications? A7: Yes, the L4931CD50-TR is suitable for automotive applications as it meets the AEC-Q100 automotive qualification standards.

Q8: Does the L4931CD50-TR require external capacitors for stability? A8: Yes, the L4931CD50-TR requires an input and output capacitor for stability. Refer to the datasheet for recommended values.

Q9: Can the L4931CD50-TR be used in high-temperature environments? A9: Yes, the L4931CD50-TR has a wide operating temperature range of -40°C to 125°C, making it suitable for high-temperature environments.

Q10: What package does the L4931CD50-TR come in? A10: The L4931CD50-TR is available in a SOT-223 package, which is a surface-mount package with three pins.

Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.